GTU Diploma Question Paper | Past Paper

Winter 2016 Computer Aided Design Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
DIPLOMA ENGINEERING - SEMESTER–IV • EXAMINATION – WINTER - 2016
Subject Code: 3341904 Date: 24- 11-2016
Subject Name: Computer Aided Design
Time: 02:30 PM TO 05:00 PM Total Marks: 70

Instructions:
1.Attempt all questions.
2.Make Suitable assumptions wherever necessary.
3.Figures to the right indicate full marks.
4.Use of programmable & Communication aids are strictly prohibited.
5.Use of only simple calculator is permitted in Mathematics.
6.English version is authentic.

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Q.1 Answer any seven out of ten. 14

1.Enlist various input and output devices for CAD workstation

2.Enlist various CAD software packages for modeling.

3.List any four file extensions used in various CAD software.

4.Explain in brief RAM and ROM

5.Write the full form of GUI, CADD, CSG , B-rep.

6.List any four assembly constraints used in parametric modeling.

7.State any four advantages of CAD system.

8.Enlist any four commands used for surface modeling in AutoCAD.

9.Draw block diagram of design process with use of CAD.

10.Explain in brief REVSURF command used in AutoCAD.

Q.2 (a) Explain 2D translation with suitable illustration 03

(a) Explain 2D scaling with suitable illustration 03

(b) Define CAD and enlist its functional area. 03

(b) Explain UCS in context of AutoCAD. 03

(c) Prepare sample specifications / configuration of computer system suitable forsolid
modeling CAD software. 04

(d) Write short note on constructive solid geometry (CSG) method of modeling. 04

Q.3 (a) Differentiate between surface modeling and solid modeling. 03

(a) Explain parametric modeling in brief. 03

(b) Differentiate between 2D and 3D models. 03

(b) Explain Boolean operation in AutoCAD (1)Union (2) subtract 03

(c) Explain AutoCAD commands (1)box (2) cylinder 04

(c) Explain AutoCAD commands (1)3D Rotate (2) 3D Mirror 04

(d) Enlist various constraints used in parametric sketching. Explain any two. 04

(d) Enlist types of printers. Explain 3-D printer. 04

Q.4 (a) Discuses steps to create solid model shown in Figure-1 in any parametric modeling
software. Write name of software. 10

(b) Explain features of any one of parametric modeling CAD software. 04

(b) List benefits of Assembly Modeling in parametric modeling software. 04

Q.5 (a) Write AUTOCAD detailed procedure with commands to prepare 3D modelgiven in figure-2. Show intermediate sketches with UCS position. 14

Figure-1 - Que: 4(a)

Figure-2 - Que: 5(a)

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Summer 2016 Computer Aided Design Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
DIPLOMA ENGINEERING – SEMESTER –IV • EXAMINATION – SUMMER 2016
Subject Code: 3341904 Date: 20- 05-2016
Subject Name: COMPUTER AIDED DESIGN (CAD)
Time: 10:30 AM TO 01:00 PM Total Marks: 70

Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
4. Each question carry equal marks (14 marks)

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Q.1 Answer any seven out of ten. 14

1. Write full form of USB, DVD, EPROM, and CAE.

2. Define CAD and CAM.

3. Write name of any four Input devices used for CAD workstation.

4. Write any four Output devices used for CAD workstation.

5. Write the name of any four printers.

6. Explain AutoCAD “UNION” command with suitable example.
.
7. Write any two differences between 2-D drawing and 3-D drawing.

8. Explain AutoCAD “3D ARRAY” command with suitable example.

9. Explain AutoCAD “BOX” command with suitable example.

10. Write name of any four parametric modeling software.

Q.2 (a) Explain any six computer graphics terminology in brief. 03

(a) Write any six main applications of CAD system. 03

(b) Explain design steps in CAD process with suitable diagram. 03

(b) Draw the block diagram of CAD work station. 03

(c) Write types of 2D- geometrical transformation and explain any one in brief. 04

(c) Define geometrical transformation. A line having end coordinates (3,3) and (4,6) is rotate by 30 degree with respect to origin. Find out coordinates of final position of the line. Draw the necessary sketch of line. 04

(d) Write types of coordinate system. Explain any one in brief. 04

(d) Explain CSG (Constructive Solid Geometry) modeling method with suitable example. 04

Q.3 (a) Write the six main specifications of CAD workstation in your CAD laboratory. 03

(a) Write differences between wire frame modeling, surface modeling and solid modeling( any three points) 03

(b) Define parametric modeling and write any two benefits of parametric modeling. 03

(b) Write any three differences between parametric modeling and non parametric modeling with CAD software. 03

(c) State and explain any four options of UCS command in AutoCAD with figure 04

(c) Write the steps to prepare AutoCAD 3D model drawing of the given figure 1. Specify the name of command, option and position of UCS. 04

(d) Write the commands to prepare AutoCAD 3D drawing of the given figure 2. Specify the name of command, option and position of UCS. 04

(d) Explain any four 2D commands used in AutoCAD with suitable example. 04

Q.4 (a) Explain AutoCAD surface modeling command REVSURF, TABSURF and RULE SURF with suitable example. 03

(a) Explain AutoCAD command CYLINDER, LOFT and SLICE with suitable example. 03

(b) Write any four importance features of Creo software. 04

(b) Write any four importance features of Unigraphics software. 04

(c) Explain the procedure for making a 3D solid model Fig 1. in any one parametric solid modeling software. 07

Q.5 (a) Write any four importance features of Solid Edge or Inventor software. 04

(b) Explain the procedure for making a 3D solid model Fig 2. in any one parametric solid modeling software. 04

(c) Explain Extrude and Sweep command used in AutoCAD with sketch. 03

(d) Explain any three important constrains used in Creo or Unigraphics modeling software. 03

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FIGURE 1

FIGURE 2

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Summer 2015 Metrology and Instrumentation Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
Diploma Engineering - SEMESTER–IV • EXAMINATION – SUMMER • 2015
Subject Code: 3341905 Date: 15-05-2015
Subject Name: Metrology and Instrumentation
Time: 10:30 am - 01:00 pm Total Marks: 70

Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
4. English version is considered to be Authentic.

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Q.1 Answer any seven out of ten. 14

1. Name the parts of vernier caliper.

2. Why wringing is required?

3. Find the least of the vernier with minimum of 0.5mm on main scale and 50
vernier divisions.

4. Define straightness.

5. What is the use of Talysurf Tester?

6. State the full form i)CLA ii)RMS

7. Name the 2 methods to measure gear tooth thickness.

8. State the elements of external thread.

9. Name 4 limit gauges.

10. Name 4 temperature measuring devices.

Q.2 (a) List the linear measuring instruments and define quality control. 03

(a) Differentiate accuracy and precision 03

(b) What is least count? How to find the least count of height gauge? 03

(b) Write the uses of surface plate. 03

(c) Draw the labeled diagram of vernier calliper 04

(c) Draw the labeled diagram of micrometer. 04

(d) Draw the diagram of slip gauge indicating 50mm and active faces Write the
uses of slip gauges. 04

(d) Draw the labeled of bevel protactor. 04

Q.3 (a) Draw the symbol of surface roughness with complete detail 03

(a) Draw symbol of i)Roundness ii)Parallelity iii)Perpendicularity 03

(b) State the advantages of non destructive testing. 03

(b) Name the NDT methods. 03

(c) Explain with diagram roundness measurement. 04

(d) Explain the working of sine bar with diagram. 04

Q.4 (a) List the types of gear and explain module 03

(a) Name 4 pressure measuring device and draw diagram of ‘U’ tube manometer. 03

(b) Explain the working of bellow type flow meter. 04

(b) State the advantages and disadvantages of limit gauge. 04

(c) Explain the measurement gear tooth thickness with diagram 07

Q.5 (a) Explain the measurement of major diameter of bolt. 04

(b) Explain the working of thermocouple 04

(c) Name the various types of transducers 03

(d) Explain plug gauge with the help of diagram 03

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Summer 2014 Metrology and Instrumentation Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
Diploma Engineering - SEMESTER–IV • EXAMINATION – SUMMER • 2014
Subject Code: 3341905 Date: 03-06-2014
Subject Name: Metrology and Instrumentation
Time: 10:30 am - 01:00 pm Total Marks: 70

Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
4. English version is considered to be Authentic.

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Q.1 (a) With the help of a neat sketch, explain the working principle of outside
micrometer and show 26.65 mm on it. 07

(b) Write a short note on Optical Bevel Protractor and find appropriate angle
gauges to produce 23º49‟24‟. 07

Q.2 (a) Describe the working principle of “Tombilson surface meter”. 07

(b) Explain the method to check roundness of a shaft with the help of "V" block
and dial indicator. 07

(b) Define straightness and describe the indicator and autocollimator method to
measure it. 07

Q.3 (a) Explain the methods to measure the effective diameter of a screw thread. 07

(b) Define the following (1) Addendum( 2) Dedendum (3) Circular pitch
(4) Thickness of tooth (5) Diametral pitch (6) Module (7) Pitch Circle Diameter. 07

Q.3 (a) Write a short note on Gear Tooth Vernier Calliper. 07

(b) Define the following as related to screw thread: 1) Major diameter 2) Minor
diameter 3) Effective diameter 4) Pitch 5) Lead 6) Helix angle 7) Flank 07

Q.4 (a) What are limit gauges?State their advantages and disadvantages. 07

(b) Describe any one method of Non-Destructive Testing in detail. 07

Q. 4 (a) What are “GO” and “NOT GO” members of limit gauges.?Sketch a plug
gauge and explain them. 07

(b) State the advantages and limitations of Non-Destructive Testing. 07

Q.5 (a) Differentiate between resistance thermometer and thermocouple. 07

(b) Classify the pressure measuring devices and list the different transducers to
measure pressure. 07

Q.5 (a) With the help of a neat sketch, explain Bellow type pressure gauge. 07

(b) Classify the different flow measuring devices and list the different transducers
to measure flow. 07

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Winter 2015 Metrology and Intsrumentation Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
DIPLOMA ENGINEERING – SEMESTER – IV-EXAMINATION – WINTER 2015
Subject Code: 3341905 Date: 09/12/2015
Subject Name: Metrology & Instrumentation
Time: 02:30 PM TO 5:00 PM Total Marks: 70

Instructions:
1. Attempt all questions.
2. Make Suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
4. Use of programmable & Communication aids are strictly prohibited.
5. Use of only simple calculator is permitted in Mathematics.
6. English version is authentic.

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Q.1 Answer any seven out of ten. 14

1. Define: (1) Metrology (2) Inspection

2. State name of direct measuring instruments.

3. Define : Flatness

4. What is CLA value.

5. Define : Pitch of thread.

6. Define: Module.

7. Write advantages of LVDT.

8. State why calibration is necessary?

9. State application of Thermometer.

10. Differentiate between Accuracy and Precision.

Q.2 (a) Explain the functions of inspection. 03

(a) Explain the need of end standard. 03

(b) Write short note on Non destructive testing ( NDT ). 03

(b) Explain in brief interchangeability and selective assembly. 03

(c) Draw neat sketch of height gauge. 04

(d) Explain principle and working of gear tooth vernier. 04

Q.3 (a) Explain in brief any one straightness measuring method. 03

(a) Explain in brief any one flatness measuring method. 03

(b) Draw neat sketch of screw thread and label its elements. 03

(b) Explain working principle of stylus instruments. 03

(c) How angle is measured with help of sine bar. 04

(c) Explain the wringing process for joining slip gauge. 04

(d) Select most appropriate slip gauges from M-112/1 set for following
dimensions. (1) 34.4785 (2) 72.985 04

(d) Explain working and application of angle dekkar. 04

Q.4 (a) Write short note on calibration of vernier caliper. 03

(a) Write short note on dial indicator 03

(b) Describe Three wire method for measuring an effective diameter of thread. 04

(b) Explain Parkinson’s gear tester. 04

(c) Explain the working principle of radiation pyrometer with neat sketch. 07

Q.5 (a) Write short note on dead weight piston gauge. 04

(b) Write short note on capacitance type transducer. 04

(c) Write short note on rotameter. 03

(d) Name different limit gauges, state their applications. 03

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Winter 2016 Metrology and Instrumentation Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
DIPLOMA ENGINEERING - SEMESTER–IV • EXAMINATION – WINTER - 2016
Subject Code: 3341905 Date: 28- 11-2016
Subject Name: Metrology and Instrumentation
Time: 02:30 PM TO 05:00 PM Total Marks: 70

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Q.1 Answer any seven out of ten. 14

1. Write the functions of Telescopic gauge?

2. What is wringing process?

3. Find the least count of the vernier with minimum of 0.5mm on main scale and
50 vernier divisions.

4. Define Roundness.

5. What is the use of Talysurf Tester?

6. State the full form i)CLA ii)RMS

7. Name the 2 methods for measure Gear tooth profile.

8. List the elements of internal Gear.

9. Name 4 limit gauges.

10. Name 4 pressure measuring devices.

Q.2 (a) List the linear measuring instruments with its Least count. 03

(a) Differentiate the Centralized & Decentralized inspection. 03

(b) What is least count? How to find the least count of micrometer? 03

(b) Write the uses of Slip gauges. 03

(c) Draw the labeled diagram of vernier calliper. 04

(c) Draw the labeled diagram of vernier height gauge. 04

(d) Write the working principle of outside micrometer and show 25.15 mm On it. 04

(d) Draw the labeled of bevel protactor. 04

Q.3 (a) Draw the symbol of surface roughness with complete detail. 03

(a) Draw symbol of i)Roundness ii)Parallelity iii)Perpendicularity. 03

(b) State the advantages of non destructive testing. 03

(b) Name the NDT methods. 03

(c) Explain with diagram roundness measurement. 04

(d) Explain the working of sine bar with diagram. 04

Q.4 (a) List the types of gear and explain module. 03

(a) Name 4 pressure measuring device and draw diagram of pitot tube. 03

(b) Explain the working of Bourdon tube pressure gauge. 04

(b) What is comparator? Classify the Comparators. 04

(c) Explain with neat sketch “Gear tooth Vernier caliper”. 07

Q.5 (a) Explain the best wire size for thread measurements. 04

(b) Explain the principle of thermocouple. 04

(c) Name the various types of transducers. 03

(d) Explain plug gauge with the help of diagram. 03

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Summer 2016 Metrology and Instrumentation Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
DIPLOMA ENGINEERING – SEMESTER – IV • EXAMINATION – SUMMER- 2016
Subject Code: 3341905 Date: 24-05 - 2016
Subject Name: Metrology & Instrumentation
Time: 10:30 AM TO 01:00 PM Total Marks: 70

Instructions:
1. Attempt all questions.
2. Make Suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
4. Use of programmable & Communication aids are strictly prohibited.
5. Use of only simple calculator is permitted in Mathematics.
6. English version is authentic.

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Q.1 Answer any seven out of ten. 14

1. Classify linear measuring instrument.
.
2. State application of slip gauge.

3. State direct and indirect angular measuring instrument.

4. State application of spirit level.

5. Differentiate between roughness and waviness.

6. State name of errors in screw thread.

7. Define addendum and module.

8. State name of various types of limit gauges.

9. Define threshold and accuracy.

10. Differentiate between active and passive transducers.

Q.2 (a) Explain the functions of inspection. 03

(a) Write short note on Wringing process of slip gauges. 03

(b) Explain the working principle of auto collimator. 03

(b) Draw neat sketch of optical clinometers. 03

(c) Draw neat sketch of height gauge. 04

(d) Explain working principle of Parkinson’s gear tester. 04

Q.3 (a) Explain wedge method of measuring straightness. 03

(a) Define the following terms.
1. CLA value 2. RMS value 3. Mean line. 03

(b) Explain any one method of measuring flatness. 03

(b) Define best wire size. State its mathematical relation. 03

(c) Show the important elements of spur gear with a neat sketch. 04

(c) Explain ‘V’ Block and dial indicator method of roundness testing. 04

(d) Draw a neat sketch of screw thread and list its main elements of
measurement. 04

(d) Explain the working principle of sine bar with neat sketch. 04

Q.4 (a) Explain working principle of capacitance type transducer. 03

(a) Explain working principle of pressure capsule. 03

(b) Describe any one method of Non-Destructive Testing. 04

(b) What are limit gauges? State their advantages and disadvantages. 04

(c) Explain working principle of optical pyrometer with the help of figure. Also
state the advantages of pyrometer. 07

Q.5 (a) Draw the circuit diagram of resistance thermometer. Explain its principle
and working. 04

(b) Describe working principle of rotameter. 04

(c) Write short notes on snap Gauge. 03

(d) Write short note on inclined manometer. 03

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Winter 2015 Plant Maintenance and Safety Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
DIPLOMA ENGINEERING – SEMESTER – IV-EXAMINATION – WINTER 2015
Subject Code: 3341906 Date: 11/12/2015
Subject Name: Plant Maintenance and Safety
Time: 02:30 PM TO 5:00 PM Total Marks: 70

Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

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Q.1 Answer any Seven out of Ten. 14

(1) List the methods for selection of replacement. 02

(2) Write any five types of maintenance. 02

(3) List any four methods of wear detection. 02

(4) Define wear. How it can be reduced? 02

(5) Define the term scheduling. 02

(6) What is fault tracing? 02

(7) List the different methods for degreasing. 02

(8) List the types of fault arising in a machine tool. 02

(9) List various types of hazards. 02

(10) Define the industrial accident. 02

Q.2 (a) Define the term maintenance. Write any three aims of maintenance engineering. 03

(a) State the factors affecting maintenance cost. 03

(b) Explain mechanical wear. 03

(b) State the causes of wear. 03

(c) State at least any seven real examples of wear occur. 04

(c) Differentiate between Galvanic and Biological corrosion. 04

(d) Enlist types of lubricants and explain any one of them. 04

(d) What is stress corrosion? How it can be reduced? 04

Q.3 (a) Draw a decision tree for the petrol engine fails to start. 03

(a) Explain how the decision tree helpful in fault tracing? 03
.
(b) Give reason for noisy operation of a pump. 03

(b) Give reasons for increased fuel consumption of an engine. 03

(c) Define and state use of repair complexity. 04

(d) Give the details for maintaining a pump. 04

Q.4 (a) Explain VEIN analysis. 03
.

(a) Explain the relation between safety and inspection. 03
.
(b) State the responsibilities of boiler inspector. 04

(b) What safety precautions are necessary for lathe machine operation? 04

(c) State the advantages and limitations of welding as recovery method. 07

Q.5 (a) Define the term grouting and list the equipment used in erection work. 04

(b) List the responsibilities of maintenance department. 04

(c) List the materials used in foundation. 03

(d) State six types of foundation bolts used in practice. 03

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Winter 2014 Plant Maintenance and Safety Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
Diploma Engineering - SEMESTER–IV • EXAMINATION – WINTER • 2014
Subject Code: 3341906 Date: 08-12-2014
Subject Name: Plant Maintenance and Safety
Time: 02:30 pm - 05:00 pm Total Marks: 70

Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
4. English version is considered to be Authentic.

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Q.1 (a) List the Primary and Secondary functions and responsibilities of maintenance
department. 07

(b) Explain corrosion prevention methods. 07

Q.2 (a) Define Wear. How it can be reduced? State its effects on performance. 07

(b) Give difference between preventive maintenance and breakdown
Maintenance. 07

(b) Enlist types of lubricants and explain any two of them. 07

Q.3 (a) Draw a decision tree for the fault “Low air pressure in Compressor.” 07

(b) Define repair cycle. State the stages involved in repair cycle. 07

Q.3 (a) Define Recovery and explain any one method of recovery with neat sketch. 07

(b) A Scooter engine fails to start. Draw a decision tree for the sequence of activities
involved in fault tracing. 07

Q.4 (a) Explain the need of preventive maintenance in industries. 07

(b) Classify types and causes of accident and explain. 07

Q. 4 (a) Define the term “Erection” and list the equipment used in erection work. 07

(b) Explain the reconditioning and retrofitting of machine tools. 07

Q.5 (a) List five equipments used in conditioning monitoring. Explain any one with
Figure. 07

(b) Define foundation. State its effects for product accuracy and safety of machine operator. 07

Q.5 (a) Describe procedure of periodic inspection. 07

(b) Explain service life of machine tools and equipments. 07

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Summer 2014 Plant Maintenance and Safety Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
Diploma Engineering - SEMESTER–IV • EXAMINATION – SUMMER • 2014
Subject Code: 3341906 Date: 05-06-2014
Subject Name: Plant Maintenance and Safety
Time: 10:30 am - 01:00 pm Total Marks: 70

Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
4. English version is considered to be Authentic.

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Q.1 (a) State the responsibilities of maintenance department. 07

(b) List causes and effects of wear. 07

Q.2 (a) Explain the factors affecting corrosion. 07

(b) Draw decision tree for low steam pressure in boiler. 07

(b) Explain fault tracing and decision tree. 07

Q.3 (a) List various types of faults in machine tools and state their causes. 07

(b) Describe procedure of periodic inspection. 07

Q.3 (a) Describe methods of degreasing and cleaning of machine parts. 07

(b) Explain overhauling and repair complexity. 07

Q.4 (a) Differentiate between predictive and preventive maintenance. 07

(b) Explain the factors related to control an accident. 07

Q. 4 (a) Describe salient features of Factory Act 1948. 07

(b) Explain mechanical and electrical hazards. 07

Q.5 (a) Define recovery, reconditioning and retrofitting. 07

(b) Explain recovery methods for broken gear tooth and worn out guide ways. 07

Q.5 (a) Define the terms foundation, erection and commissioning of equipment. 07

(b) Explain alignment and acceptance test of machine. 07

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Summer 2015 Plant Maintenance and Safety Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
DIPLOMA ENGINEERING – SEMESTER – • EXAMINATION – SUMMER-2015
Subject Code: 3341906 Date: 19/05 /2015
Subject Name: PLANT MAINTENANCE AND SAFETY
Time: 10:30 AM TO 01:00 PM Total Marks: 70

Instructions:
1. Attempt all questions.
2. Make Suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
4. Use of programmable & Communication aids are strictly prohibited.
5. Use of only simple calculator is permitted in Mathematics.
6. English version is authentic.

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Q.1 Answer any seven out of ten. 14

1. Define maintenance engineering.

2. List the types of maintenance.

3. List types of wear.

4. List out corrosion prevention methods.

5. Define decision tree.

6. Define De-greasing.

7. Define an accident.

8. Define retrofitting

9. Define erection.

10. Define foundation.

Q.2 (a) Explain any two types of maintenance. 03

(a) Explain primary function of maintenance engineering. 03

(b) List the causes of wear. 03

(b) List the effect of wear. 03

(c) Explain desirable properties of lubricant. 04

(d) Explain cathodic protection. 04

Q.3 (a) List out different method of De-greasing and cleaning. 03

(a) Explain needs of cleaning the parts. 03

(b) Explain fatal accident. 03

(b) Explain safety colour code. 03

(c) List out reason for lath chuck stops revolving. 04

(d) List the mechanical hazards and its causes. 04

Q.4 (a) Write a Short note on repair complexity. 03

(a) List steps involving in preventive maintenance. 03

(b) Describe causes of fire. 04

(b) Write a note on fire fighting methods. 04

(c) Scooter engine does not start. Draw a decision tree for it. 07

Q.5 (a) Explain chromium plating. 04

(b) List out advantages of reconditioning. 04

(c) List out effects of foundation.03

(d) Write a short note on grouting. 03

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Summer 2016 Fluid Mechanics and Hydraulic Machines

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GUJARAT TECHNOLOGICAL UNIVERSITY
DIPLOMA ENGINEERING – SEMESTER – III • EXAMINATION – SUMMER-2016
Subject Code: 3331903 Date: 20.05.2016
Subject Name: Fluid Mechanics and Hydraulic Machines
Time: 02:30 PM TO 05:00 PM Total Marks: 70

Instructions:
1. Attempt all questions.
2. Make Suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
4. Use of programmable & Communication aids are strictly prohibited.
5. Use of only simple calculator is permitted in Mathematics.
6. English version is authentic.

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Q.1 Answer any seven out of ten. 14

1. Definition of Ideal fluid and Real fluid.

2. State Pascal’s Law.

3. Give the S.I. unit of following fluid properties.
(1) Density (2) Specific volume
(3) Surface Tension (4) Kinematic Viscosity.

4. Fill in the blanks. (1) 1 bar = _____N/m2. (2) 760 mm of Hg = ________ Pa.

5. Write down only Euler Equation.

6. Calculate the specific weight & Density of one liter of a liquid which weights.

7. State limitation of Pizometer.

8. Assumptions of Bernoulli’s Equation.

9. Define Draft tube with figure.

10. Explain Newton’s law of Viscosity.

Q.2 (a) Define fluid and classification of fluid. 03

(a) Classify Pressure Measuring Devices. 03

(b) Define following Terms.
(1) Absolute Pressure (2) Gauge Pressure (3) Vacuum Pressure 03

(b) Define following Terms. (1) Stream Line (2) Path Line (3) Stream Tube 03

(c) Water flow with 300 liter/sec in a pipe. The diameter of pipe is 500 mm and pressure
is 900 kPa. If the centre line of pipe is at 200 m from the base, find the total energy. 04

(c) If maximum velocity of fluid is 5 m/s and quantity of fluid flow is 3000 lit/min
then find out Diameter of pipe. 04

(d) List only name of Different Types of fluid flow. 04

(d) Derive Bernoulli’s Equation from Euler’s Equation. 04

Q.3 (a) State the equation for measuring flow through following devices.
(1) Pitot Tube (2) Venturimeter (3) Flow Nozzle. 03

(a) Explain with neat sketch “Rotameter”. 03

(b) Explain following Hydraulic co- efficient.
(1) Co-efficient of Contraction (2) Co-efficient of Discharge (3) Co-efficient of Velocity 03

(b) Discharge through Rectangular Notch is 48 m3/min. When head of water is
one third of length of notch, calculate length of Notch. Take Cd = 0.62. 03

(c) A horizontal Venturimeter is use for measuring discharge of water, whose
inlet and throat diameters are 30 cm and 15 cm respectively. The reading of
differential manometer connected between inlet and throat is 12 cm of
mercury. If the Co-efficient of Venturimeter is 0.98, find the discharge. 04

(c) Water is flowing through a pipe of 150 mm diameter and 400 m length. If
discharge is 35.4 lit/sec, calculate head loss due to friction. Take f = 0.01. 04

(d) With neat sketch explain the Reynolds’s Experiments. 04

(d) Explain water hammer effect and arrangement to overcome water hammer effect. 04

Q.4 (a) Give the classification of Pumps. 03

(a) Difference between Impulse Turbine and Reaction Turbine. 03

(b) Find the specific speed of turbine and type of turbine, if head is 50 m and
turbine discharge 10 m3/s which running at 350 rpm. Take efficiency is 85%. 04

(b) Describe Centrifugal Pump with neat sketch. 04

(c) Explain with neat sketch Lay-out of a Hydro Electric Power plant and also
explain efficiency of Turbine. 07

Q.5 (a) Name the element use in Pneumatic Circuit. 03

(b) Explain Hydraulic Cylinders. 03

(c) Explain the working of Hydraulic lift with neat sketch. 04

(d) Draw the following symbols in Pneumatic circuit.
(1) Hydro pump (2) Pressure Regulator
(3) Pressure gauge (4) Accumulator. 04

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Winter 2016 Human Resources Management Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
DIPLOMA ENGINEERING – SEMESTER – III • EXAMINATION – WINTER- 2016
Subject Code: 3330001 Date: 17-11-2016
Subject Name: Human Resources Management
Time: 10:30 AM To 01:00 PM Total Marks: 70

Instructions:
1. Attempt all questions.
2. Make Suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
4. Use of programmable & Communication aids are strictly prohibited.
5. Use of only simple calculator is permitted in Mathematics.
6. English version is authentic.

***********

Q.1 Answer any seven out of ten. 14

1. State any five characteristics of Human Resources.

2. State the function of Human Resource Management.

3. Define Job Satisfaction.

4. Define Group.

5. State the steps of human group formation.

6. Define Leadership.

7. State the types of leadership.

8. Explain the term Apprenticeship.

9. Define trade union.

10. Define stress.

Q.2 (a) Explain the Maslow’s Need Hierchy. 03

(a) Explain the primary needs of human life. 03

(b) Define human values. Write its types. 03

(b) Classify the human needs. 03

(c) Explain relation between Morale and Productivity. 04

(d) State the factors affecting the job satisfaction. 04

Q.3 (a) Explain Brainstorming. 03

(a) Explain the Delphi decision making process. 03

(b) State the factors affecting interpersonal behavior in an Organization. 03

(b) Classify the Groups. 03

(c) State the desirable characteristics of a group member. 04

(d) Explain the Game theory for interpersonal relations. 04

Q.4 (a) Explain the Autocratic Leadership. 03

(a) State the factors affecting decision making process. 03

(b) Explain the need of the employee training. 04

(b) Define and classify the Power. 04

(c) Explain the Advantages of Training. 07

Q.5 (a) State the different personal techniques to relieve Stress. 04

(b) Explain the need for Change. 04

(c) Explain the Objectives of Trade Union. 03

(d) Explain the symptoms of Stress. 03

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Summer 2016 Human Resources Management Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
DIPLOMA ENGINEERING – SEMESTER – III • EXAMINATION – SUMMER 16
Subject Code: 3330001 Date: 09.05.2016
Subject Name: Human Resources Management
Time: 02:30 PM TO 05:00 PM Total Marks: 70

Instructions:
1. Attempt all questions.
2. Make Suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
4. Use of programmable & Communication aids are strictly prohibited.
5. Use of only simple calculator is permitted in Mathematics.
6. English version is authentic.

***********

Q.1 Answer any seven out of ten. 14

1. Define Productivity.

2. What is motivation?

3. List qualities of Good Supervisor.

4. Give any two desirable characteristics of a group member.

5. Define Leadership.

6. Name the types of trainings.

7. What is the need of counseling?

8. What is Positive attitude?

9. Give any four factors affecting the decision making.

10. What is concept of stress management?

Q.2 (a) State in short the Impact of human element on Industrial harmony. 03

(a) What are the primary needs of human being? Discuss. 03

(b) List the Function of Human resources management. 03

(b) Describe the role of group in organization. 03

(c) Give importance of Maslow’s need hierarchy in managing human resource. 04

(d) Write short notes on “Joheri window”. 04

Q.3 (a) Explain characteristics of stress. 03

(a) What is difference between Refresher training and promotion training. 03

(b) Explain the causes of conflicts. 03

(b) State the need and importance of motivation. 03

(c) State the need for the change. 04

(d) State the techniques to deal with the people effectively. 04

Q.4 (a) Discuss the qualities of good leader. 03

(a) Explain relaxation techniques of stress management. 03

(b) State the constructive role of trade unions in change management. 04

(b) What is group dynamics? State the types of groups. 04

(c) Discuss the process of Decision making. 07

Q.5 (a) Write short note on ‘X’ and ‘Y’ theory. 04

(b) Describe the impact of human factor on productivity. 04

(c) How can we motivate the people? 03

(d) Power influence and compliance. Discuss in short. 03

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Winter 2015 Human Resources Management Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
DIPLOMA ENGINEERING – SEMESTER – III • EXAMINATION – WINTER 2015
Subject Code: 3330001 Date: 12/12/2015
Subject Name: Human Resource Management
Time: 10:30 AM TO 01:00 PM Total Marks: 70

Instructions:
1. Attempt all questions.
2. Make Suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
4. Use of programmable & Communication aids are strictly prohibited.
5. Use of only simple calculator is permitted in Mathematics.
6. English version is authentic.

***********

Q.1 Answer any seven out of ten. 14

1. State the two reasons for HRM in industry.

2. State the concept of Douglas McGregor.

3. Write two types of primary needs.

4. What is Ethics?

5. List the types of groups.

6. List the qualities of good leader.

7. Name the stress measurement techniques.

8. What is job satisfaction?

9. Name the five resources in the organization.

10. What is a change?

Q.2 (a) State the importance of HRM in industry. 03

(a) Write in brief about the need of self actualization. 03

(b) State the relation between productivity and morale. 03

(b) State the method of improving interpersonal competence. 03

(c) Write short note on qualities of good supervisor. 04

(d) Explain interpersonal behavior. 04

Q.3 (a) What is the difference between induction training and promotion. 03

(a) What is counseling and why it is required. 03

(b) What is positive attitude ? How it is useful to the organization? 03

(b) What is the role of team in the organization? 03

(c) State the barriers to change process. 04

(c) What are the causes of stress? How it is harmful to the organization? 04

(d) What is the role of mental health in the organization? 04

(d) State the objectives of trade union. 04

Q.4 (a) State the factors affecting decision making process. 03

(a) Explain any one type of leadership style. 03

(b) Write the importance of training. 04

(b) Explain the methods of relieving stress. 04

(c) Explain theory X and theory Y in detail. 07

Q.5 (a) Explain interpersonal competence. 04

(b) Explain the role of motivator in organization. 04

(c) What are the disadvantages of negative attitude? 03

(d) Explain Johari Window. 03

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Summer 2015 Human Resources Management Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
DIPLOMA ENGINEERING – SEMESTER – • EXAMINATION – SUMMER -2015
Subject Code:3330001 Date: 30/04/2015
Subject Name: Human Resource Management
Time:02:30PM TO 05:00 PM Total Marks: 70

Instructions:
1. Attempt all questions.
2. Make Suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
4. Use of programmable & Communication aids are strictly prohibited.
5. Use of only simple calculator is permitted in Mathematics.
6. English version is authentic.

***********

Q.1 Answer any seven out of ten. 14

1. What are the basic needs of Human?

2. Give the definition of productivity.

3. What are the main types of groups?

4. What are the styles of Leadership?

5. List the role model of good supervisor.

6. What is the need of counseling?

7. What is motivation?

8. Give the importance of mental health.

9. What is stress management?

10. Give the definition of Trade union.

Q.2 (a) Explain the scope of H.R.M. 03

(a) Describe the role of group in the organization. 03

(b) Explain the characteristics of human resources. 03

(b) Explain the types of Training. 03

(c) Write short note on “x” and “y” theory. 04

(d) Discuss the factor affecting the decision making. 04

Q.3 (a) Describe the impact of human factors on productivity. 03

(a) Explain the characteristics of stress. 03

(b) Describe the functions of H.R.M. 03

(b) Explain the Techniques of resolution of conflicts. 03

(c) Explain the techniques of Decision making. 04

(d) State the need and importance of motivation. 04

Q.4 (a) Explain the causes of stress. 03

(a) Discuss the qualities of good leader. 03

(b) Explain relaxation techniques of stress management. 04

(b) State the important of physical exercise in stress management. 04

(c) Explain the need of Maintaining good relation with supplier and customer. 07

Q.5 (a) Discuss the importance of Maslow’s needs of Hierarchy. 04

(b) Explain the need of change and state the barriers to change. 04

(c) What are various techniques to manage the stress? 03

(d) Explain the objectives of trade union.03

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Winter 2014 Human Resources Management Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
Diploma Engineering - SEMESTER–III • EXAMINATION – WINTER • 2014
Subject Code: 3330001 Date: 25-11-2014
Subject Name: Human Resource Management
Time: 10:30 am - 01:00 pm Total Marks: 70

Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
4. English version is considered to be Authentic.

************

Q.1 Answer any seven out of ten. 14

1. List for qualities of supervisor.

2. Define leadership.

3. List stress measuring techniques.

4. State the factors affecting decision making.

5. What are causes of conflicts.

6. Name the types of training.

7. Name the five resources in the organization.

8. What is motivation?

9. What is positive attitude?

10. What is job satisfaction?

Q.2 (a) List the function of H R M. 03

(a) Why H R M is necessary in industry? 03

(b) State the relations between productivity and morale. 03

(b) What are primary needs of human being? Discuss. 03

(c) List the Maslow need hierarchy and explain any one. 04

(d) State the method of improving interpersonal competence. 04

Q.3 (a) Write the importance of training. 03

(a) What is the difference between induction training and promotion training? 03

(b) State the need and importance of motivation. 03

(b) What is counseling and why it is required? 03

(c) Explain decision making process. 04

(d) What are causes of stress? How stress is harmful to the organization? 04

Q.4 (a) What is group dynamics? State the type of groups. 03

(a) Explain any one type of leadership style. 03

(b) What is the role of mental health in the organization? 04

(b) State five qualities of a good leader. 04

(c) What is interpersonal relationship? Explain transactional analysis and Johari Window. 07

Q.5 (a) Explain interpersonal competence. 04

(b) State the difference between X and Y theory. 04

(c) What are the benefits of team spirit and positive attitude in the organization. 03

(d) How can we motivate the people? 03

************

Summer 2014 Human Resources Management Question Paper

************

GUJARAT TECHNOLOGICAL UNIVERSITY
Diploma Engineering - SEMESTER–III • EXAMINATION – SUMMER • 2014
Subject Code: 3330001 Date: 11-06-2014
Subject Name: Human Resource Management
Time: 10:30 am - 01:00 pm Total Marks: 70

Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
4. English version is considered to be Authentic.

************

Q.1 (a) State the functions of HRM and explain any two in brief. 07

(b) State the qualities of a good supervisor and explain them. 07

Q.2 (a) Explain X and Y theory in detail. 07

(b) Explain the need of human relations and values in the industry. 07

(b) State the desirable human values and explain ethics and moral. 07

Q.3 (a) What is group dynamics and explain various types of groups. 07

(b) What is interpersonal relationship? Explain transactional analysis and Johari Window. 07

Q.3 (a) State the method of improving interpersonal competence and explain any one. 07

(b) What is positive attitude? State do’s for positive attitude. 07

Q.4 (a) State the various styles of leadership and explain any one in detail. 07

(b) Explain the importance of training and state various forms of training. 07

Q. 4 (a) Explain the importance of decision-making and state the factors affecting
decision making. 07

(b) Explain the importance of motivation and why motivation is necessary? 07

Q.5 (a) Explain the need of change and state the barriers to change. 07

(b) What are the causes of stress? How stress is harmful to the organization? 07

Q.5 (a) State the role of trade union in goal setting and change. 07

(b) What are various techniques to manage the stress and explain any one in brief. 07

************

Winter 2013 Human Resources Management Question Paper

***********

GUJARAT TECHNOLOGICAL UNIVERSITY
Diploma Engineering - SEMESTER–III • EXAMINATION – WINTER 2013
Subject Code: 3330001 Date: 26-11-2013
Subject Name: Human Resource Management
Time: 02:30 pm - 05:00 pm Total Marks: 70

Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
4. English version is considered to be Authentic.

***********

Q.1 (a) Discuss the importance of mental health in group dynamics. 07

(b) Explain importance of decision making in the context of quality and
cost consciousness. 07

Q.2 (a) Write short note on “Barrier to change”. 07

(b) Explain the need of good relations with the suppliers and clients. 07

(b) Discuss the importance of human relations and human values in the industry. 07

Q.3 (a) Describe the impact of human factors on productivity. 07

(b) Write short note on Influence of leadership. 07

Q.3 (a) Explain the needs of the human resource management in the industrial
environment. 07

(b) What is training? List six advantages of training. 07

Q.4 (a) Explain stages of group formation. 07

(b) Discuss the roll of supervisor as facilitator & motivator. 07

Q. 4 (a) Explain the determinates of the interpersonal behavior in the organization. 07

(b) Discuss any seven qualities of good leader. 07

Q.5 (a) Explain personnel techniques to manage the stress. 07

(b) Write short note (i) Brain storming method (ii) Importance of Maslow’s need hierarchy in managing human resources. 07

Q.5 (a) Discuss the constructive role of trade unions in goal achievement and change
management. 07

(b) Write short note (i) Johari window (ii) ‘X’ and ‘Y’ theory 07

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Winter 2013 Manufacturing Engineering-1 Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
Diploma Engineering - SEMESTER–III • EXAMINATION – WINTER 2013
Subject Code: 3331901 Date: 28-11-2013
Subject Name: Manufacturing Engineering-I
Time: 02:30 pm - 05:00 pm Total Marks: 70

Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
4. English version is considered to be Authentic.

*************

Q-1 (a) Define the following terms (any FOUR) 08
(i) Ductility (ii) Rigidity (iii) Malleability (iv) Toughness (v) Brittleness

(b) Define Recrystalization temp. & State the various factors affecting on it. 06

Q-2 (a) State the comman defects in forged components & stating the reasons for those defects. 07

(b) List the hand-tools used in preparing the Mould with sketch. State its application of each. 07

(b) List the names of Destructive and non-destructive test for weld joints.
Explain any one of them.07

Q-3 (a) Define the Metal Forming process & List the different types. And State the classification of forming process. 07

(b) Explain Extrusion Process, And State its Advantages & limitations. 07

Q-3 (a) State the meaning of Strip, Sheet & Plate. And Explain Three High Rolling Mill with
a neat sketch. 07

(b) Classify the Mechanical Press & List the operations which are performed on Press. Which
are the considerable points for selection of Press? 07

Q-4 (a) Define the term “Pattern”. List the types of patterns and explain any ONE of them. 07

(b) Explain the Centrifugal Casting Process. 07

Q-4 (a) Define Pattern Allowances. And State its types & Explain any TWO of them. 07

(b) Explain the Cupola Furnace with neat sketch & Label various parts with diff zone on it. 07

Q-5 (a) Explain the principle of Gas welding & state the advantages & Disadvantages. 07

(b) List the various types of Arc Welding process. And Explain Submerged Arc Welding
process with a neat sketch. 07

Q-5 (a) State the Equipment & hand-tools used in Gas Welding. And Describe three types of
Flames with a neat sketch. 07

(b) State the types of Resistance Welding process. And explain Spot Welding Process with
a neat sketch. 07

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