Manufacturing Engineering-III previous year question paper | 3351903 |

What advantage can you take with gtu previos Exam Papers?

Exams appear to be a mystery to most students but some may find it exciting by looking at it as a competition. They pray about having a perfect dream about the coming test so that they already know it but that is not a reality truth is if you wants to succeed you have to prepare well for the exams.

Studying past papers are a valuable part of exam preparation and help keep revision focused on important themes whilst practicing exam style questions.

One of the simplest ways to prepare for the exams is to manage your study according to a well-defined time table and allot time to every subject. It is a good practice to compare the questions of the examiners because it will give a better idea about what the examiner is looking for in the exam.

 Technique for Studying gtu previos Exam Papers

Most of the universities keep copies of the past exams in their libraries or they can also be accessed from the university websites available on the internet. A good practice is to take past five year papers and, instead of going through the past exam paper year by year, find questions about the same topic and prepare that topic really well. This technique can be very helpful for preparing the exam.

Advantages of Studying gtu previos Exam Papers

One of the most important part of exam preparation is going through past exams. It is important  to revise your entire syllabus quickly. They can provide you the general idea of the upcoming paper and you could easily guess the important topics of a particular subject. Past exam papers give you the idea of number of questions and the available choices. It is therefore necessary for students to give some time to go through the past paper while revising a subject.

Past exam papers are one of the most helpful tools available to prepare for both internal and external examinations as they provides students with practical insight into how the forthcoming exam paper is likely to look and the key themes or subject areas most likely to be covered. Before starting revision for a subject it is always worth taking time to seek out past papers.

Winter 2014 Manufacturing Engineering-III Question Paper

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

GUJARAT TECHNOLOGICAL UNIVERSITY
Diploma Engineering - SEMESTER–V • Examination – WINTER • 2014
Subject Code: 3351903  Date: 02-12-2014
Subject Name: Manufacturing Engineering - III
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.  Define: (i) Pitch (ii) Depth of thread (iii) Crest (iv) Root

2.  List different types of threads.

3.  Why gears are finished?

4.  State merits and demerits of gear hobbling processes.

5.  Give list of materials which are used for MEMS manufacturing.

6.  Classify non-conventional machining methods.

7.  What are the limitations of broaching processes?

8.  Difference between special purpose machine and Automatic machine.

9.  Explain the terms: (i) Trueing (ii) Dressing

10.  Explain the meaning of the code “WA 100 M5 V 25”.

Q.2  (a)  Explain the need of manufacturing engineering III.  03

OR

(a)  Explain cutting speed, feed and depth of cut.  03

(b)  Write short note of surface grinding.  03

OR

(b)  Explain centre less grinding operation with neat sketch.   03

(c)  Explain the term glazing. List reasons for it.  04

OR

(c)  State different grinding operations and explain about cylindrical grinding.  04

(d)  List various super finishing processes and explain lapping operation.  04

OR

(d)  State the need of balancing a grinding wheel and explain the method of balancing a grinding wheel.   04

Q.3  (a)  Explain the working principle of electric discharge machining with sketch.  03

OR

(a)  Explain Abrasive Jet Machining with neat sketch.  03

(b)  Write short note on Laser Beam Machining.  03

OR

(b)  Write short note on Ultrasonic Machining.  03

(c)  Difference between conventional and non-conventional machining methods.  04

OR

(c)  Write short note on Electro Chemical machining.  04

(d)  Explain the need of Micro Electro Mechanical Systems (MEMS).  04

OR

(d)  State the reasons for development of non-conventional machining processes.  04

Q.4  (a)  State atleast five function of Jig Boring machine.  03

OR

(a)  Write short note on Jig Boring machine.  03

(b)  Classify broach and explain its working principle with figure.  04

OR

(b)  Explain boring process with its working principle.  04

(c)  Explain Double Column Jig Boring machine with neat sketch.  07

Q.5  (a)  Explain principle of generating and forming processes with sketch.  04

(b)  List gear finishing methods and explain gear shaving.  04

(c)  List thread production methods and explain thread milling processes.  03

(d)  Write short note on thread rolling.  03

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

Summer 2015 Manufacturing Engineering-III Question Paper

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

GUJARAT TECHNOLOGICAL UNIVERSITY
DIPLOMA ENGINEERING – SEMESTER – EXAMINATION – SUMMER-2015
Subject Name:- Manufacturing Engg.-III Date: 07/05/2014
Subject Code:- 3351903   
Time: 2:30 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.

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

Q.1  Answer any seven out of ten.  14

1  Define Speed & Feed with respect to Turning

2  What are the required conditions for good surface finish in Turning?

3  State the cutting tool angles with a sketch.

4  Explain the cutting action of Grinding Wheel.

5  List the types of Gear & state Application of each.

6  Define the simple Gear drive & compound Gear drive.

7  Define single start Thread & multiple start Thread with a sketch.

8  Define L.H thread and R.H thread with a sketch.

9  List the Application of Broaching Machine.

10 Draw a neat sketch of Broach tool.

Q.2  (a)  Explain constituent of Grinding Wheel with a sketch. 03

OR 

(a)  State the Advantages of Grinding as a machining process.  03

(b)  State the use of centre less Grinding 03

OR 

(b)  Define the Honing process & Lapping process.  03

(c)  Explain Nomenclature of Grinding Wheel 04

OR 

(c)  State the important factors considered in the selection of Grinding Wheel  04

(d)  Explain the Gear milling process with a sketch.  04

OR 

(d)  List the various methods of Gear manufacturing & explain any ONE  04

Q.3  (a)  Differentiate Gear generating process & Gear forming process.  03

OR 

(a)  List the methods of Gear generating & explain any ONE  03

(b)  List the different types of Thread with a sketch. 03

OR 

(b)  Show the various elements of thread in the sketch of “V” thread 03

(c)  List the various methods of thread production& explain any ONE  04

OR 

(c)  State the factors affecting the selection of thread production process.  04

(d)  Explain Thread milling process with a sketch. 04

OR 

(d)  Explain Thread rolling process with a sketch.  04

Q.4  (a)  Classify the Machine-Tools. 03

OR 

(a)  List the Application of Jig Boring Machine.  03

(b)  Explain the working principle of Jig Boring Machine 04

OR 

(b)  Differentiate between Standard machine-tools& Special purpose machinetool.  04

(c)  Explain the Machine, Tools, & Machine-Tools. 07

Q.5  (a)  Differentiate between Conventional & Non-Conventional machiningmethods 04

(b)  Explain the working principle of Electro Discharge Machining (EDM) process 04

(c)  Explain, Why Non-Conventional machining methods are used ?  03

(d)  Classify the various Non-Conventional machining methods.  03

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

Winter 2015 Manufacturing Engineering-III Question Paper

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

GUJARAT TECHNOLOGICAL UNIVERSITY
DIPLOMA ENGINEERING – SEMESTER – V-EXAMINATION – WINTER 2015
Subject Code: 3351903  Date: 08/12/2015
Subject Name: Manufacturing Engineering III
Time: 10:30 AM TO 1:00 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: Machine tool

2.  Define: Cutting Speed & Feed .

3.  Briefly describe pull broaching.

4.  Briefly describe push broaching.

5.  List the applications of jig boring machine.

6.  List various types of threads.

7.  State the different methods of thread production.

8.  Write any three properties of abrasive particles.

9.  Write any three advantages of broaching process.

10.  State the need for special purpose machine.

Q.2  (a)  Write short note on Glazing.  03

OR

(a)  Write short note on Dressing.  03

(b)  List various abrasive used in the grinding wheel.  03

OR

(b)  Explain Honning Process.  03

(c)  Describe types of grinding wheels.  04

OR

(c)  Write short note on Centre less grinder.  04

(d)  Explain Tool and Cutter grinder.  04

OR

(d)  Explain Lapping Process.  04

Q.3  (a)  Classify various methods for gear production  03

OR

(a)  Differentiate between generating and forming processes.  03

(b)  Name different finishing operations performed on gear.  03

OR   

(b)  Explain Gear shaving in brief.  03

(c)  Explain Gear milling process. 04

OR

(c)  Explain Gear Hobing process.  04

(d)  Explain any one Gear finishing method.  04

OR

(d)  Explain thread Rolling process.  04

Q.4  (a)  List the application of Abrasive jet machining  03

OR

(a)  List various electrolytes used in ECM.  03

(b)  Compare the EBM and LBM.  04

OR

(b)  Explain Ultrasonic machining.  04

(c)  Explain Electro discharge machining (EDM) with neat sketch.  07

Q.5  (a)  Write short note on thread milling.  04

(b)  Differentiate between standard machine tools and special purpose machine tools.   04

(c)  What is balancing of grinding wheel?  03

(d)  State the types of Jig boring machine.  03

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

Summer 2016 Manufacturing Engineering-III Question Paper

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

GUJARAT TECHNOLOGICAL UNIVERSITY
DIPLOMA ENGINEERING – SEMESTER – V• EXAMINATION – SUMMER 2016
Subject Code: 3351903  Date:19/05/2016
Subject Name: Manufacturing engineering –III
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 Cutting Speed and Feed.

2.  Explain loading of grinding wheel.

3.  What is dressing in grinding process.

4.  What is abrasive?

5.  Enlist types of gear.

6.  List gear finishing processes name.

7.  Briefly explain pull broaching process.

8.  Write advantages of Thread milling.

9.  What is Electrolyte ?

10.  What is Lithography ?

Q.2  (a)  What is the importance of Manufacturing engineering –III in industries ?  03

OR

(a)Draw a neat sketch of single point cutting tool showing its geometry.   03

(b)Briefly explain cutting action of grinding wheel.   03

OR

(b)State the need for balancing grinding wheel.   03

(c)   Explain nomenclature of grinding wheel mark with the code WA 80 M 10 V17.   04

OR

(c)  Explain Center less grinding operation with neat sketch.   04

(d)  Explain tool and cutter grinder with neat sketch.  04

OR

(d)With neat sketch explain Gear shaping process.   04

Q.3  (a)Write short note on Abrasive Jet Machining (AJM).    03

OR

(a) List Gear finishing process.   03

(b)  Write short note on Gear Broaching process.  03

OR

(b) Classify major types of Thread.   03

(c)Write short note on Thread chasing.  04

OR   

(c) Explain Thread rolling process with neat sketch.   04

(d)  Explain Thread milling operation with neat sketch  04

OR

(d)Draw neat sketch of broach with its various elements.   04

Q.4  (a)Classify the Broach machines.   03

OR

(a) List applications of Special Purpose Machines(SPM).   03

(b) Explain Single column jig boring machine with neat sketch.   04

OR

(b)List need of Micro Electro Mechanical System(MEMS).   04

(c)  Classify non-conventional method of machining. Explain Electro Discharge Machining in detail.   07

Q.5  (a) Explain Ultra Sonic Machining in detail.   04

(b) Write short note on Gear hobbing.   04

(c) Describe classification of Gear manufacturing process.   03

(d)Give difference between EDM and ECM.   03

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

Winter 2016 Manufacturing Engineering-III Question Paper

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

GUJARAT TECHNOLOGICAL UNIVERSITY
DIPLOMA ENGINEERING – SEMESTER – V • EXAMINATION – WINTER- 2016
Subject Code:3351903  Date: 25- 11- 2016
Subject Name: Manufacturing Engineering-III
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.  Define Machine Tools

2.  What is abrasive ?

3.  List name of bonding material for grinding wheel

4.  Why grinding wheel need balancing?

5.  List advantages of Gear shaping process

6.  Why gears are being finished ?

7.  What is die electric fluid ?

8.  What is Lithography?

9.  What is chemical vapor deposition process?

10.  Give equation  for Broaching machine pulling capacity.

Q.2  (a)  Draw the geometry of a single point cutting tool  03

OR

(a)  Explain cutting action of Grinding wheel.  03

(b)  Give difference between Trueing and dressing  03

OR

(b)  List the finishing operations   03

(c)  Describe way of specification for grinding wheel as per IS-Standard.  04

OR

(c)  Give difference between Honing and Lapping process.   04

(d)  Describe surface grinding process in detail  04

OR

(d)  Describe center less grinding process in detail  04

Q.3  (a)  Give classification of Gear manufacturing process.  03

OR

(a)  Briefly explain Gear milling process.  03

(b)  Draw sketch of Gear hob.  03

OR

(b)  Write short note on thread chasing  03

(c)  Explain Thread rolling process with neat sketch  04

OR

(c)  Explain the principle of broaching with neat sketch.  04

(d)  Describe Jig boring machine in detail  04

OR

(d)  Explain Abrasive Jet Machining(AJM) with neat sketch   04

Q.4  (a)  Give difference between Pull broaching and Push broaching   03

OR

(a)  Write short note on Electro chemical machining   03

(b)  Describe Ultra sonic machining (USM).  04

OR

(b)  Describe need of micro-electro mechanical system.(MEMS)  04

(c)  Give classification of Non conventional methods of machining and briefly explain any one.   07

Q.5  (a)  Write short note on laser beam machining(LBM)  04

(b)  Write the types of SPMs(Special purpose Machines) Why we need it?   04

(c)Explain thread cutting by die head.   03

(d)  List the advantages and disadvantages of broaching process  03

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