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

176)   

Which fitting type is common in small diameter pipe?

A.
B.
C.
D.
Answer: B
177)   

Hydraulic tubes must be supported properly to avoid:

A.
B.
C.
D.
Answer: C
178)   

Before pipe assembly, the ends must be:

A.
B.
C.
D.
Answer: C
179)   

A flared fitting uses:

A.
B.
C.
D.
Answer: B
180)   

Pipe sealants are used to:

A.
B.
C.
D.
Answer: B
181)   

What controls the extension and retraction speed of a hydraulic cylinder?

A.
B.
C.
D.
Answer: B
182)   

Which part prevents dust and dirt from entering a hydraulic cylinder?

A.
B.
C.
D.
Answer: C
183)   

If load pushes the cylinder piston back, it is called a:

A.
B.
C.
D.
Answer: C
184)   

A double-acting cylinder requires:

A.
B.
C.
D.
Answer: C
185)   

Which type of cylinder gives longer stroke in short space?

A.
B.
C.
D.
Answer: B
186)   

Cylinder stroke depends on:

A.
B.
C.
D.
Answer: C
187)   

What is the most likely cause of internal leakage in a cylinder?

A.
B.
C.
D.
Answer: B
188)   

Which type of cylinder can produce force in both directions?

A.
B.
C.
D.
Answer: A
189)   

The piston in a hydraulic cylinder separates:

A.
B.
C.
D.
Answer: C
190)   

Cylinder speed is directly proportional to:

A.
B.
C.
D.
Answer: B
191)   

Flow control valves affect actuator:

A.
B.
C.
D.
Answer: B
192)   

What happens in meter-in control if the load assists motion?

A.
B.
C.
D.
Answer: B
193)   

Meter-out control is ideal when:

A.
B.
C.
D.
Answer: C
194)   

What does a variable orifice do?

A.
B.
C.
D.
Answer: C
195)   

Which circuit gives better control when load tends to pull actuator forward?

A.
B.
C.
D.
Answer: B
196)   

What is the effect of high fluid temperature on flow control valves?

A.
B.
C.
D.
Answer: B
197)   

Needle valves control flow by adjusting:

A.
B.
C.
D.
Answer: B
198)   

A bypass type flow control valve operates by:

A.
B.
C.
D.
Answer: B
199)   

Flow control valves are installed close to:

A.
B.
C.
D.
Answer: C
200)   

In a hydraulic circuit, erratic motion can be corrected by:

A.
B.
C.
D.
Answer: B