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Topic wise Paper Solution

Examination: 2017 SUMMER
Que.No Question/Problem marks
Q 3 d )

Name any four components of pneumatic system......................

4

Q 3 e )

Draw labelled sketch of air lubricator..............

4

Q 4a)(b)

Explain pressure relief valve in pneumatic system.

4

Q 6 b )

State any four reasons of failure of pneumatic seals.

4

Q 6 b )

State any four reasons of failure of pneumatic seals.

4

Q 6 c )

What are the advantages of pneumatic system over hydraulic systems ?

4

Examination: 2017 WINTER
Que.No Question/Problem marks
Q 2 b )

List various types of air motors. Explain vane type air motor with neat sketch...........

8

Q 3 e )

What is FRL ? State the function of each component of FRL........

4

Q 4a)(b)

List any four applications of pneumatic rotary actuator...........

4

Q 4a)(c)

Explain time delay valve with neat sketch....

4

Q 4a)(d)

Draw speed control pneumatic circuit for bi-directional air motor.....

4

Q 5 a )

List different types of pressure regulator valves ? Explain any one with neat sketch........

8

Q 6 a )

State at least four advantages and disadvantages of pneumatic systems...........................

4

Examination: 2016 WINTER
Que.No Question/Problem marks
Q 1a)(iii)

Draw a general layout of pneumatic system and state the function of components

4

Q 2 c )

Explain the construction and working of doubled acting reciprocating compressor with neat sketch.

8

Q 3 d )

What is FRL unit? Explain its function

4

Q 4a)(iii)

What are the limitations of pneumatic system?

4

Q 4b)(i)

What is the meaning of unidirectional air motor and bi directional air motor.........

6

Q 4b)(ii)

Compare linear actuators and rotary actuators.

6

Q 6 d )

Draw constructional details of pneumatic hose........

4