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MCQ - TNPSC JTO

JTO - 436 - Fitter

436 - Unit X Hydraulics and Pneumatics

65)   

A tandem master cylinder is mainly used in:

A.
B.
C.
D.
66)   

The term “hydraulic lock” refers to:

A.
B.
C.
D.
67)   

The major cause of hydraulic hose failure is:

A.
B.
C.
D.
68)   

The property of hydraulic oil that resists change in viscosity with temperature is called

A.
B.
C.
D.
69)   

Which of the following devices converts hydraulic energy into rotary mechanical motion?

A.
B.
C.
D.
70)   

The most common material used for hydraulic pipes is:

A.
B.
C.
D.
71)   

Which of the following valves prevents oil from returning back into the tank?

A.
B.
C.
D.
72)   

Which safety measure is correct while working on hydraulic systems?

A.
B.
C.
D.
73)   

Which hydraulic component helps in smooth starting of actuators by avoiding sudden jerks?

A.
B.
C.
D.
74)   

The function of a pressure reducing valve in hydraulics is to:

A.
B.
C.
D.
75)   

The efficiency of a hydraulic pump is reduced mainly due to

A.
B.
C.
D.
76)   

The main advantage of hydraulic systems over pneumatic systems is:

A.
B.
C.
D.
77)   

In pneumatic maintenance, a common check is:

A.
B.
C.
D.
78)   

Which of the following is a safety precaution in pneumatics?

A.
B.
C.
D.
79)   

The compressor part that supplies lubrication is:

A.
B.
C.
D.
80)   

Electro-pneumatic systems are commonly used in:

A.
B.
C.
D.