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

OR

(a) Classify Pressure Measuring Devices. 03

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

OR

(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

OR

(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

OR

(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

OR

(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

OR

(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

OR

(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

OR

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

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

OR

(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

OR

(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 Fluid Mechanics And Hydraulic Machine Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
DIPLOMA ENGINEERING – SEMESTER – 3• EXAMINATION – WINTER 2016
Subject Code: 3331903 Date: 24-11-2016
Subject Name: FLUID MECHANICS AND HYDRAULIC MACHINE
Time: 10:30 AM TO 01:00 PM Total Marks: 70

Instructions:
1. Attempt any five 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 (a) Define following properties of fluid and give the unit of each property.
(i) Dynamic viscosity (ii) kinematic viscosity (iii) Density (iv) Specific volume
(v) Surface tension (vi) Bulk modulus (vii) Specific density. 07

(b) State and derive Pascal’s Law. 07

Q.2 (a) Define following terms: (i) Stream line (ii) Streak line (iii) Path line
(iv) Stream tube (v) Co-efficient of discharge (vi) Co-efficient of velocity(vii) Reynold’s number 07

(b) State the limitation of Bernoulli’s equation and derive it from energy equation. 07

OR

(b) A pipe having diameter of 30cm at point ‘A’ and 40cm at point ‘B’. Point ‘A’ and ‘B’ are at
3 meter and 7 meter up from the datum respectively. Flow rate through pipe is 0.7 m3/sec.
 If pressure at point ‘A’ is 5 meter of water, find the pressure at point ‘B’. 07

Q.3 (a) Differentiate between notch and weir and derive an equation for discharge
over rectangular notch. 07

(b) Water flows through a triangular notch of 1200, under a head of 50cm.
Calculate discharge in litre/sec, if coefficient of discharge is 0.6. 07

OR

Q.3 (a) Derive an expression for measuring disharge through venturimeter. 07

(b) A horizontal venturimeter 20cm X 10cm is use to measure flow of oil of specific gravity 0.8.
 Rate of flow of oil is 0.75m3/sec. If venture meter constant is 0.98, find deflection of oil -mercury manometer. 07

Q.4 (a) Explain the construction and working of centrifugal pump with neat sketch.
Also state the fault and remedies of a centrifugal pump. 07

(b) A centrifugal pump discharges water at the rate of 50 lit/sec against 25 meter head.  07
Find the power required to drive pump, if the head loss is 14 meter and overall efficiency is 85.5%.

OR

Q. 4 (a) Explain the construction and working of Pelton wheel. 07

(b) Discuss the important of specific speed of a turbine. Find the specific speed and state types of turbine, if head is 25 meter and the speed is 150 rpm and the power is 7.5MW. 07

Q.5 (a) Explain the working of the following Hydraulic machines with neat sketch.
(i) Hydraulic accumulator (ii) Hydraulic press. 07

(b) Draw symbols used in pneumatic circuit. 07
(i)Electric motor (ii) Hydraulic pump (iii) Hydraulic motor (iv) Double acting cylinder
(v) Manual shut off valve (vi)Fixed displacement Air compressor (vii)Elbow Tee, cross-section.

OR

Q.5 (a) (i) Write the purpose of Air vessel in reciprocating pump.
(ii) Draw neat sketch of the Gear pump and label its main parts on it. 07

(b) Explain the Reynolds experiment with neat sketch. 07

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Winter 2015 Fluid Mechanics and Hydraulic Machines Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
DIPLOMA ENGINEERING – SEMESTER – III • EXAMINATION – WINTER2015
Subject Code: 3331903 Date: 07-12 - 2015
Subject Name: Fluid Mechanics & Hydraulic Machines
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 Fluid.

2. Define Specific gravity and specific volume.

3. State the limitation of piezometer.

4. Enlist the different mechanical gauges.

5. (a)1 m3 = .......... litre (b)1 stoke =........ cm2 /s.

6. What is cohesion and Adhesion.

7. As temperature increase ,viscosity of liquid ______and for gas______.

8. SI Unit of following properties. (I) Bulk modulus of elasticity (II) Surface tension.

9. Water flow through a pipe having dia. 0.2 m with 4 m/s than find out discharge from pipe.

10. Give the relation between Absolute pressure ,Gauge pressure and Atmospheric pressure.

Q.2 (a) Classify different flow measuring devices. 03

OR

(a) Explain pitot static tube with sketch. 03

(b) State the Pascal’s law and prove it. 03

OR

(b) Explain Differential manometer with sketch and suitable formula. 03

(c) Water flow with 6 m/s velocity with 3200 lit/minute through a pipe than decide the size of
 pipe. 04

OR

(c) Water flow with 2 lit/s from pipe of 200 mm diameter with 400 kpa pressure and pipe is 100 mm at a height from datum than find out Total Energy for ideal fluid. 04

(d) Explain the following form of energy (a) Pressure Energy (b)Potential Energy (3) Kinetic
energy. 04

OR

(d) Explain the following type of flow.
(I) Uniform flow and Non Uniform flow.
(II) One dimensional flow, two dimensional flow ,three dimensional flow. 04

Q.3 (a) Explain Rotameter with sketch. 03

OR

(a) Explain Orifice meter with sketch. 03

(b) Water flow with 30 cm head through rectangle notch having 60 cm length than find out discharge in lit/sec if Cd = 0.65. 03

OR

(b) If water flow through V notch having 120 0 angle with 50 cm head than find out its discharge , if Cd = 0.65. 03

(c) State the Principle of Bernoulli’s theorem with its limitation and assumption. 04

OR

(c) State the Reynold’s Number equation with S I unit of each parameter and effect of Reynold’s value on type of flow. 04

(d) Usefulness of surge tank to prevent water hammer with sketch. 04

OR

(d) Explain the Reynolds’s experiment with neat skecth. 04

Q.4 (a) Explain Multi stage pump in series and parallel. 03

OR

(a) Give the difference between Centrifugal Pump and Reciprocating Pump 03

(b) Describe reciprocating pump with neat sketch. 04

OR

(b) Describe Gear Pump with neat sketch. 04

(c) Explain the construction , working, advantages and Dis Advantages of pelton wheel with neat sketch.07

Q.5 (a) Explain Pressure Relief valve. 04

(b) Draw the symbols for following component (I)Vacuum Pump II) Pressure Gauge
III) Shuttle valve IV) Electic Motor 04

(c) Explain the working principle of Hydraulic press with sketch. 03

(d) Explain Hydraulic ( fluid ) Coupling. 03

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Winter 2014 Fluid Mechanics and Hydraulic Machines Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
Diploma Engineering - SEMESTER–III • EXAMINATION – WINTER • 2014
Subject Code: 3331903 Date: 01-12-2014
Subject Name: Fluid Mechanics and Hydraulic Machines
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. Give the S.I unit of following fluid properties.
(i) Dynamic viscosity (ii) Kinematic viscosity (iii) Bulk modulus (iv) Specific weight.

2. Differentiate between ideal fluid and real fluid.

3. A liquid has density 1600 kg/m3. Calculate its specific gravity.

4. Explain Newton’s law of viscosity.

5. Find the equation between gauge pressure and absolute pressure.

6. Determine the pressure in N/m2 at a depth of 5m below the surface of an oil specific
 gravity of 0.75.

7. Classify pressure measuring devices.

8. Draw a neat sketch of a Burden tube Pressure Gauge.

9. Fill in the blanks. (i)1 bar = ________ Pa. (ii) 760 mm of Hg.= ______ m of water.

10. State Pascal’s Law.

Q.2 (a) Differentiate between following :( Any two)
(i)Steady flow and Unsteady flow (ii) Rotational flow and irrotational flow
(iii)Laminar flow and turbulent flow. 03

OR

(a) Define following terms. (any three)
(i)Stream line (ii) Streak line (iii) Path line (iv) Stream tube (v) Flow net 03
(b) State and derive continuity equation. 03

OR

(b) The pipe discharging 70 liter/second has 30cm diameter at inlet changing to 10 cm
diameter at outlet. Compute flow velocity at both ends. 03

(c) Derive Bernoulli’s equation from Euler’s equation. 04

OR

(c) Water flow with 150lt/sec in a pipe. The diameter of pipe is 250mm and pressure is 450KPa.
 If the centre line of pipe is at 10m from the base, find the total energy. 04

(d) Explain the term “Impact of jet”. Derive the equation of force due to impact
of jet on stationary flat vertical plate. 04

OR

(d) A 5cm diameter of jet moving with a velocity of 30m/s, is strikes a moving flat
plate normal to the jet. Plate is moving with a velocity of 8 m/s. Calculate work
done per sec and efficiency. 04

Q.3 (a) State the equation for measuring flow through following devices.(any three)
(i)Circular orifice (ii) Rectangular Notch (iii) Venturimeter (iv) Pitot tube 03

OR

(a) Explain following hydraulic co-efficient.
(i)Co-efficient of contraction (ii) Co-efficient of Discharge (iii) Co-efficient of velocity 03

(b) A horizontal venturimeter is use for measuring discharge of water, whose inlet and throat diameters are 75 mm and 25 mm respectively. The reading of differential manometer connected between inlet and throat is 41.2 cm of mercury. If the co-efficient of venturimeter is 0.97, find the discharge. 03

OR

(b) Discharge through rectangular notch is 24m3/min. When head of water is one third of length of notch, calculate length of notch. Take Cd = 0.62. 03

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

OR

(c) With neat sketch explain the Renold’s experiment. 04

(d) An oil specific viscosity 0.15 N-s/m2 and specific gravity 0.81 flows through a pipe of 140mm diameter at the flow rate of 0.03 m3/sec. Determine whether flow is laminar or turbulent. 04

OR

(d) Oil flowing through a pipe of 200 mm diameter and 1Km length. If steady discharge is 3 m3/min, calculate head loss due to friction. Take f =0.01. 04

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

OR

(a) Find the specific speed of turbine and the type of turbine, if total head of is 25m and the power produced is 7.5MW running at 150 rpm. 03

(b) Describe centrifugal pump with neat sketch. 04

OR

(b) A C.F. pump transmits 14.71kw power against the total head of 15m of water. Find the discharge of water in liter/minute, if efficiency of the pump is 72%. 04

(c) Draw a neat sketch of reciprocating pump with air vessels. Explain the importance of air vessel in reciprocating pump. 07

Q.5 (a) Explain the working of following with neat sketch (any two).
(i)Hydraulic accumulator (ii) Hydraulic press (iii) Hydraulic lift 04

(b) Draw the following symbols in pneumatic circuit.
(i)Direction of oil flow (ii) Air compressor (iii) Pressure regulator valve (iv) Accumulator. 04

(c) Name the element use in pneumatic circuit. 03

(d) Write the application of hydraulic cylinders. 03

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Summer 2014 Fluid Mechanics and Hydraulic Machines Question Paper

***********

GUJARAT TECHNOLOGICAL UNIVERSITY
Diploma Engineering - SEMESTER–III • EXAMINATION – SUMMER • 2014
Subject Code: 3331903 Date: 19-06-2014
Subject Name: Fluid Mechanics and Hydraulic Machines
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) Define fluid. How fluid are classified? Plot the shear stress-velocity gradient
relationship for various types of fluid. 05

(b) Derive relationship between pressure and pressure head for incompressible fluid. 05

(c) A simple U-tube manometer contains mercury is used to measure the pressure of fluid flowing through pipe line having sp.gravity 0.9.It,s right limb is open to atmosphere and left is connected to pipe ,the center of pipe is 20 cm below the level of mercury in right limb. If the difference in level of mercury in both limb is 40 cm., then find pressure in the pipe in N/m2. 04

Q.2 (a) State the basic principles of fluid flow, and state which equations are derived
from it. 07

(b) State Bernoulli,s equation .Mention the limitations and assumptions of
Bernoulli,s theorem. 07

OR

(b) Oil of Sp. Gravity 0.82 is flowing through a pipe of 30 cm. diameter with a velocity of 4 m/s,dia. of pipe at other end gradually reduced to 25 cm. Find velocity at that end. Also find mass flow
rate of oil. 07

Q.3 (a) Develop Bernoull,s equation by integration. 05

(b) Explain construction and working of Rotameter with figure. 05

(c) Determine the head over sill of a 900 -V - notch when the discharge passing
over it is 100 lit/sec. consider cd = 0.6. 04

OR

Q.3 (a) Write Euler’s eqution of motion along a stream line and explain each terms used in it. 05

(b) Explain the working of flow nozzle with fig. and state the equation for discharge. 05

(c) Head of water of 40 mm. diameter orifice is 12m. If Cd = 0.62 and Cv = 0.98.
Find actual discharge and actual velocity of water. 04

Q.4 (a) Steat the condition underwhich water hammer is produced and explain the
arrangement used to remove the effect of water hammer. List its ill effects. 05

(b) What is meant by specific speed of turbine ? give criteria for selection of turbine. 05

(c) Find head loss due to friction in a pipe 80cm.dia. and 20 km. long. The velocity of water in a
pipe is 4 m/s. take f = 0.005. 04

OR 

Q. 4 (a) Explain Reynold’s experiment with neat sketch. State how the Reynold’s
number classify the types of flow? 05

(b) What is the difference between Impulse turbine and reaction turbine. 05

(c) Oil of sp.gravity 0.92 and dynamic viscosity 1 poise is flowing through a 200
mm.dia. pipe it’s discharge is 50 lit/sec. Find the type of flow. 04

Q.5 (a) Draw a neat sketch of reciprocating pump with air vessel and explain the importance
 of fitting an air vessel with reciprocating pump. 05

(b) Explain the construction working principle and application of hydraulic ram with neat sketch. 05

( c) State major parts of pneumatic system and also state functions of each part. 04

OR

Q.5 (a) Explain with neat sketch ,the construction and working of external gear pump. 05

(b) Differentiate between hydraulic system and pneumatic system. 05

(c) A centrifugal pump discharges water at the rate of 40 lit/s. against 30m.head. If power required to drive the pump is 22 kw. And friction head loss is 15 m. than find overall efficiency of the pump. 04

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Fluid Mechanics and Hydralic Machines previous year question paper | 3331903 |

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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.

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Winter 2013 Fluid Mechanics and Hydralic Machines Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
Diploma Engineering - SEMESTER–III • EXAMINATION – WINTER 2013
Subject Code: 3331903 Date: 02-12-2013
Subject Name: Fluid Mechanics and Hydraulic Machines
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 following terms with its S.I. unit: 1.Specific Gravity 2. Surface
Tension 3. Dynamic Viscosity 4. Kinematic Viscosity 5. Density 07

(b) Prove Pascal’s law for Static fluid. 05

(c) Define Manometer. Classify it. 02

Q.2 (a) Differentiate the following: 1. Laminar & Turbulent flow.
2. Steady & Unsteady flow 3. Uniform & Non uniform flow 07

(b) An oil of specific gravity 0.8 is flowing through a venturimeter having inlet
diameter 20 cm and throat diameter 10 cm. The oil mercury differential
manometer shows a reading of 25 cm. Calculate the discharge of oil through
the horizontal venturimeter. Take co-efficient of discharge 0.98 07

OR

(b) A simple U-tube manometer containing mercury connected to a pipe in
which a fluid of specific gravity 0.8 and having vacuum pressure is flowing.
The other end of the manometer is open to atmosphere. Find the vacuum
pressure in pipe if the difference of mercury level in the two limb is 40 cm
and the height of the fluid in the left from the center of pipe is 15 cm below. 07

Q.3 (a) Classify flow measuring instruments. Derive expression for discharge
through orifice. 07

(b) The head of water over a rectangular notch is 90 cm. The discharge is 300
lit/sec. Find the length of the when co-efficient of discharge is 0.62 07

OR

Q.3 (a) Explain 1. Water hammer effect 2. Surge tank 3. Moody’s chart 07

(b) A right angled V-notch is used for measuring a discharge of 30 lit/sec of a
water. Find head of a water. Take co-efficient of discharge 0.62 07

Q.4 (a) Write Construction, working and advantages of Hydraulic Intensifier with
neat sketch. 07

(b) Writer short note on following : 1. Air Vessel 2. Draft Tube 3. Priming 07

OR

Q. 4 (a) Write construction and working of Pelton wheel with neat sketch. 07

(b) Write Description & Principles of different elements of pneumatic system. 07

Q.5 (a) Write Construction & working of single acting reciprocation pump with
meat sketch. 07

(b) Write relation between Absolute, Gauge and Vacuum pressure. 05

(c) Draw a neat sketch of Burdon Tube Pressure Gauge. 02

OR

Q.5 (a) Write short note on following: Air Motor 2. Hydraulic motors 07

(b) Define fluid. Classify it. 05

(c) Differentiate - Adhesion & Cohesion 02

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Summer 2015 Fluid Mechanics and Hydraulic Machines Question Paper

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

GUJARAT TECHNOLOGICAL UNIVERSITY
DIPLOMA ENGINEERING – SEMESTER –III • EXAMINATION – SUMMER 2015
Subject Code: 3331903 Date: 11-05 - 2015
Subject Name: Fluid Mechanics & Hydraulic machines
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. Write fluid characteristics.

2. Show mathematical expression of Newton’s law of viscosity.

3. How capillary action is helpful for trees growing ?

4. State Pascal’s law for static fluid.

5. On what principle of Manometer works?

6. Define fluid kinematics and control volume.

7. Write applications of pump.

8. Sketch circular type orifice.

9. Write the function of guide vane and runner in turbine.

10. What do you mean by single acting and double acting cylinder in hydrulics?

Q.2 (a) Compare between (1) compressible fluid and incompressible fluid (2) liquid
and gas 03

OR

(a) Calculate density and specific gravity for 1 litre oil of 9.60 N weights. 03

(b) Write momentum equation & explain its importance in fluid kinematics. 03

OR

(b) Explain in brief stream line and path line. 03

(c) Derive continuity equation. 04

OR

(c) A simple manometer is used to measure pressure of flowing water. The right limb of manometer is opened to atmosphere and left limb is attached to centre of pipe. The center of pipe is at a level of mercury in right limb. If the difference of mercury height between to limb is 14 Cm. then calculate pressure. 04

(d) Write the causes and preventions measures for water hammer 04

OR

(d) Calculate the diameter of pipe if the water is flowing in pipe with maximum velocity of 5 m/s and 3000 lit/min. rate. 04

Q.3 (a) Classify the flow measuring instruments. 03

OR

(a) Write selection criterion for pipe and pipe size. 03

(b) Calculate the velocity of water through Pitot tube, if coefficient of tube is 0.98. Stagnation and static pressure are 5 m and 4 m respectively. 03

OR

(b) Write the equation for discharge for Orifice meter. How can we measure velocity of fluid with the help of this equation? 03

(c) Write assumption and limitations of Bernoulli’s equation. 04

OR

(c) Calculate the discharge in lit/sec for water flowing through rectangular notch of 50 cm. length. The constant head over notch is 30cm. Take Cd=0.70 04

(d) Calculate total energy head for 30 mm diameter pipe in which water is flowing at a rate of 100 lit/sec. The pipe is 30 m above from the reference level and pressure of water is 500 kPa. 04

OR

(d) Derive the equation for head of inclined venture meter. 04

Q.4 (a) Sketch the volute type centrifugal pump. 03

OR

(a) Explain term (i) Positive displacement pump (ii) Rotadynamic pump 03

(b) Describe construction of Kaplan turbine. 04

OR

(b) Write method for turbine maintenance. 04

(c) Explain the working of reciprocating pump with neat sketch 07

Q.5 (a) Write the advantages and disadvantages of air motor. 04

(b) Explain working of Hydraulic ram with neat sketch. 04

(c) Draw any three symbols used for flow control valve in fluid circuit. 03

(d) Explain application of surface and depth filters used in hydraulic system. 03

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