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

101)   

What is the first step before performing maintenance on a hydraulic system?

A.
B.
C.
D.
Answer: C
102)   

Which of the following is dangerous while checking hydraulic leaks?

A.
B.
C.
D.
Answer: D
103)   

Which PPE is essential during hydraulic maintenance?

A.
B.
C.
D.
Answer: B
104)   

What causes hydraulic injection injury?

A.
B.
C.
D.
Answer: C
105)   

Loose clothing near hydraulic machines is unsafe because it can:

A.
B.
C.
D.
Answer: B
106)   

Which of the following should be regularly checked in a hydraulic system?

A.
B.
C.
D.
Answer: B
107)   

Hydraulic systems can operate under pressure up to:

A.
B.
C.
D.
Answer: D
108)   

What does a circle with an arrow pointing outward indicate in a hydraulic symbol?

A.
B.
C.
D.
Answer: B
109)   

Which symbol represents a filter?

A.
B.
C.
D.
Answer: B
110)   

What does a double-acting cylinder symbol include?

A.
B.
C.
D.
Answer: C
111)   

In hydraulic circuit diagrams, squares are generally used to represent:

A.
B.
C.
D.
Answer: B
112)   

A check valve symbol generally includes:

A.
B.
C.
D.
Answer: A
113)   

Which component uses a rectangle as a symbol?

A.
B.
C.
D.
Answer: A
114)   

Which filter is located at the tank opening to clean incoming air?

A.
B.
C.
D.
Answer: B
115)   

Which filter protects the pump from debris in the reservoir?

A.
B.
C.
D.
Answer: A
116)   

What is the main function of a hydraulic filter?

A.
B.
C.
D.
Answer: C
117)   

Which filter operates under high pressure and is placed after the pump?

A.
B.
C.
D.
Answer: C
118)   

Return line filters are used to

A.
B.
C.
D.
Answer: C
119)   

What is the function of a hydraulic pump?

A.
B.
C.
D.
Answer: C
120)   

Which pump is most suitable for high-pressure applications?

A.
B.
C.
D.
Answer: C
121)   

Which hydraulic pump is simplest in construction?

A.
B.
C.
D.
Answer: C
122)   

Which pump provides smooth and quiet operation, ideal for industrial use?

A.
B.
C.
D.
Answer: B
123)   

A vane pump uses:

A.
B.
C.
D.
Answer: C
124)   

A piston pump is used where:

A.
B.
C.
D.
Answer: B
125)   

What determines the type of pump to be used?

A.
B.
C.
D.
Answer: C