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MCQ - Mechanical TNPSC JTO
JTO - 436 - Fitter - 436 - Unit X Hydraulics and Pneumatics

26)   

The function of a directional control valve is to:

A.
B.
C.
D.
Answer: A
27)   

The first safety step before repairing a pneumatic system is:

A.
B.
C.
D.
Answer: B
28)   

The pneumatic symbol for a compressor is represented by:

A.
B.
C.
D.
Answer: A
29)   

The FRL unit in pneumatics stands for:

A.
B.
C.
D.
Answer: A
30)   

The function of the filter in FRL unit is to:

A.
B.
C.
D.
Answer: C
31)   

Pneumatic actuators convert:

A.
B.
C.
D.
Answer: A
32)   

A single-acting pneumatic cylinder returns by:

A.
B.
C.
D.
Answer: B
33)   

A double-acting cylinder is preferred when:

A.
B.
C.
D.
Answer: A
34)   

Which of the following is a type of pneumatic valve?

A.
B.
C.
D.
Answer: D
35)   

The main function of a compressor in pneumatics is to:

A.
B.
C.
D.
Answer: B
36)   

In an air compressor, the intercooler is used to:

A.
B.
C.
D.
Answer: A
37)   

The air receiver tank in pneumatic systems is used for:

A.
B.
C.
D.
Answer: B
38)   

The symbol for a 3/2 DCV (Directional Control Valve) is:

A.
B.
C.
D.
Answer: A
39)   

In electro-pneumatic systems, the solenoid is used for:

A.
B.
C.
D.
Answer: C
40)   

The most common actuator used in pneumatic systems is:

A.
B.
C.
D.
Answer: B
41)   

The working pressure range of pneumatic systems is usually:

A.
B.
C.
D.
Answer: B
42)   

The lubrication in a pneumatic system is provided by:

A.
B.
C.
D.
Answer: B
43)   

A 5/2 directional control valve has:

A.
B.
C.
D.
Answer: A
44)   

Which type of compressor is most common in pneumatics?

A.
B.
C.
D.
Answer: B
45)   

One advantage of pneumatic systems over hydraulics is

A.
B.
C.
D.
Answer: B
46)   

Which device is used to remove water from compressed air?

A.
B.
C.
D.
Answer: B
47)   

The most commonly used material for water supply pipes is:

A.
B.
C.
D.
Answer: D
48)   

A union fitting is used in a pipe line to:

A.
B.
C.
D.
Answer: C
49)   

The tool used for cutting GI pipes is called:

A.
B.
C.
D.
Answer: B
50)   

The symbol for a gate valve in pipe drawings is shown as:

A.
B.
C.
D.
Answer: B