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MCQ - Mechanical TNPSC JTO
JTO - 436 - Fitter - 436 - Unit II Basic Fitting

51)   

The process of making grinding wheel run concentric is called:

A.
B.
C.
D.
Answer: A
52)   

Which one is not a grinding machine?

A.
B.
C.
D.
Answer: C
53)   

The soft wheel is preferred when:

A.
B.
C.
D.
Answer: A
54)   

Dressing tool commonly used is:

A.
B.
C.
D.
Answer: B
55)   

The letter “K” in grinding wheel spec (e.g., A60K5V) stands for:

A.
B.
C.
D.
Answer: C
56)   

Bench vice jaws are usually made of:

A.
B.
C.
D.
Answer: C
57)   

Soft jaw caps are used in bench vice to

A.
B.
C.
D.
Answer: B
58)   

Which device is used to hold irregular-shaped jobs?

A.
B.
C.
D.
Answer: D
59)   

Machine vice is mounted on:

A.
B.
C.
D.
Answer: C
60)   

Which one is NOT a clamping device?

A.
B.
C.
D.
Answer: D
61)   

Morse taper is used in:

A.
B.
C.
D.
Answer: D
62)   

Chuck key is used to:

A.
B.
C.
D.
Answer: C
63)   

Die stock ensures:

A.
B.
C.
D.
Answer: A
64)   

Tapping should be done using:

A.
B.
C.
D.
Answer: C
65)   

Die nuts are used for

A.
B.
C.
D.
Answer: B
66)   

The accuracy of a Vernier caliper depends on:

A.
B.
C.
D.
Answer: D
67)   

What is the reading when 0 on Vernier coincides with 4.6 cm on main scale and 8th division of Vernier matches? (LC = 0.02 mm)

A.
B.
C.
D.
Answer: A
68)   

Digital micrometer displays are based on:

A.
B.
C.
D.
Answer: B
69)   

The micrometer head is rotated:

A.
B.
C.
D.
Answer: C
70)   

Which instrument can measure both external and internal dimensions accurately in digital format?

A.
B.
C.
D.
Answer: D
71)   

Parallax error can be avoided by:

A.
B.
C.
D.
Answer: B
72)   

Which instrument is used to measure depth in bores?

A.
B.
C.
D.
Answer: C
73)   

Main scale and Vernier scale are part of:

A.
B.
C.
D.
Answer: B
74)   

Graduation of micrometer thimble typically has:

A.
B.
C.
D.
Answer: D
75)   

The accuracy of precision instruments is checked using:

A.
B.
C.
D.
Answer: C