MCQ - Mechanical TNPSC JTO
JTO - 436 - Fitter - 436 - Unit X Hydraulics and Pneumatics
76)
The main advantage of hydraulic systems over pneumatic systems is:
A.
B.
C.
D.
Answer: C
78)
Which of the following is a safety precaution in pneumatics?
A.
B.
C.
D.
Answer: D
83)
In a single-acting cylinder, compressed air is supplied to:
A.
B.
C.
D.
Answer: B
84)
Which valve is used to prevent reverse flow in pneumatic circuits?
A.
B.
C.
D.
Answer: C
86)
Pneumatic systems are generally preferred in industries where:
A.
B.
C.
D.
Answer: B
87)
Which type of pneumatic cylinder is used where long stroke is required in compact space?
A.
B.
C.
D.
Answer: A
89)
Pneumatic systems are considered safer than hydraulic systems mainly because:
A.
B.
C.
D.
Answer: A
91)
The maximum pressure of industrial pneumatic systems is usually:
A.
B.
C.
D.
Answer: B
93)
Which part of the compressor removes heat generated during compression?
A.
B.
C.
D.
Answer: C
94)
Which type of compressor is widely used in workshops for pneumatic tools?
A.
B.
C.
D.
Answer: C