7/28/2019 ME-QB

1/3

B.E. Degree Examination

Fifth Semester

Mechanical Engineering

ME2305APPLIED HYDRAULICS AND PNEUMATICS

Time : 3 Hrs Maximum : 100 marks

Class : IIIMechA & B Section Date : .2008

Answer All Questions

Part A - (10 X 2 = 20 marks)

1.

Define Fluid power.

2. Explain the term friction factor.3. What do you meant by non-positive displacement pump?4. What is cylinder cushion?5. Differentiate pressure control and pressure relief valve.6. Write the function of solenoid valve.7. What is the need for FRL unit?8. Name the various types of filters used in pneumatics.9. What is servo valve and how it is working?10.Define coanda effect.

PartB (5 X 16 = 80)

11.(a) (i) Explain the hydraulic and pneumatic fluid power system (12)(ii)Discuss the properties of hydraulic fluids. (4)

(or)

(b) (i) How to calculate the frictional losses in the valves and fittings. (8)

(ii) Define Reynolds Number (2)

(iii) Differentiate between laminar and turbulent flow. (6)

7/28/2019 ME-QB

2/3

Page. 2

12.(a) (i) Explain the working principle of external gear pump (12)(ii) Write short notes on variable displacement pump (4)

(or)

(b) (i) Explain the various mechanisms of hydraulic mounting. (16)

13.(a) (i) Explain the operational feature of check valve. (10)(ii) Write short notes on shuttle valve (6)

(or)

(b) (i) Explain air over oil intensifier system. (10)

(ii) Explain the neat sketch of weight loaded accumulator. (6)

14.(a) Explain the piston type compressor. (16)(or)

(b) Explain the synchronizing circuit. (16)

15.(a) Explain the hydro mechanical system (16)(or)

(b) Explain the PLC with application. (16)

All the best to get good marks in the Exam.

Rajalakshmi Engineering College, Thandalam

Department of Mechanical EngineeringME1305 - Applied Hydraulics and Pneumatics

7/28/2019 ME-QB

3/3

Page. 3

PartA (5 X 2 = 10)

1. Define Fluid power.2. Explain the term friction factor.3. What do you meant by non-positive displacement pump?4. What is cylinder cushion?5. Differentiate pressure control and pressure relief valve.6.

Write the function of solenoid valve.7. What is the need for FRL unit?

8. Name the various types of filters used in pneumatics.9. What is servo valve and how it is working?10.Define coanda effect.

PartB (5 X 16 = 80)11.(a) (i) Explain the hydraulic and pneumatic fluid power system (12)

(ii)Discuss the properties of hydraulic fluids. (4)

(or)(b) (i) How to calculate the frictional losses in the valves and fittings. (8)

(ii) Define Reynolds Number (2)(iii) Differentiate between laminar and turbulent flow. (6)

12.(a) (i) Explain the working principle of external gear pump (12)(ii) Write short notes on variable displacement pump (4)

(or)

(b) (i) Explain the various mechanisms of hydraulic mounting. (16)13.(a) (i) Explain the operational feature of check valve. (10)

(ii) Write short notes on shuttle valve (6)

(or)

(b) (i) Explain air over oil intensifier system. (10)(ii) Explain the neat sketch of weight loaded accumulator. (6)

14.(a) Explain the piston type compressor. (16)(or)(b) Explain the synchronizing circuit. (16)

15.(a) Explain the hydro mechanical system (16)(b) Explain the PLC with application. (16)

All the best to get good mark in university exam.