Download PTU (Punjab Technical University) B.Tech (Bachelor of Technology) / BE (Bachelor of Engineering) 2021 January AE 7th Sem 71817 Hydraulic And Pneumatics System For Automobile Previous Question Paper
Total No. of Pages : 02
Total No. of Questions : 18
B.Tech. (AE) (2012 to 2017) (Sem.?7)
HYDRAULIC & PNEUMATICS SYSTEM FOR AUTOMOBILE
Subject Code : BTAE-701
M.Code : 71817
Time : 3 Hrs. Max. Marks : 60
INST RUCT IONS T O CANDIDAT ES :
1 .
SECT ION-A is COMPULSORY cons is ting of TEN questions carrying TWO marks
each.
2 .
SECT ION-B c ontains F IVE questions c arrying FIVE marks eac h and s tud ents
have to atte mpt ANY FOUR questio ns.
3 .
SECT ION-C contains THREE questions carrying T EN marks e ach and s tudents
have to atte mpt ANY TWO questions .
SECTION-A
Write briefly :
1.
Draw the symbol of reservoirs.
2.
What is fluid power plumbing requirement?
3.
List some circuits which can be performed by both pneumatic and hydraulic systems.
4.
Draw pneumatic symbol of air motor.
5.
List different types of lubricators used in hydraulic systems.
6.
Brief about pilot operation.
7.
What are the elements of pneumatic systems?
8.
What are applications of pneumatic system?
9.
Write short note on AC and DC motors.
10. Illustrate solenoid operated four-way three position valves.
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SECTION-B
11. What are DCV? Explain any two.
12. Describe grounded chair representation for material system.
13. Illustrate the working of two position spring offset four-way pneumatic valve.
14. What is impulse operation? Explain in detail.
15. Write note on accumulator and what are its types.
SECTION-C
16. Discuss about rules and reduction of block diagram.
17. Describe pressure regulating hydraulic circuit.
18. a) With the help of neat diagram explain working of double acting cylinder.
b) Explain the importance of piping layout in pneumatics systems.
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.
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This post was last modified on 26 June 2021