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MCQ - Mechanical TNPSC JTO
JTO - 534 - Advanced Computer Numerical Control - 534 - Unit III Product specification

51)   

The use of multi-stage drawing is crucial in:

A.
B.
C.
D.
Answer: B
52)   

In multi-stage drawing, what is usually shown at each stage?

A.
B.
C.
D.
Answer: C
53)   

Why are intermediate stages necessary in multi-stage drawing?

A.
B.
C.
D.
Answer: C
54)   

In surface finish notation, the symbol used to indicate requirement of machining is:

A.
B.
C.
D.
Answer: D
55)   

In mechanical drawings, a roughness value of 0.4 µm Ra indicates:

A.
B.
C.
D.
Answer: C
56)   

A smoother surface finish typically results in:

A.
B.
C.
D.
Answer: B
57)   

A finishing process that uses abrasive slurry to improve the surface finish is:

A.
B.
C.
D.
Answer: B
58)   

Waviness in surface finish is usually caused by:

A.
B.
C.
D.
Answer: A
59)   

Which of the following is NOT a reason for specifying surface finish in design?

A.
B.
C.
D.
Answer: D
60)   

Post-process operations are performed:

A.
B.
C.
D.
Answer: C
61)   

Which of the following is a common post-processing operation?

A.
B.
C.
D.
Answer: C
62)   

The purpose of post-processing is to:

A.
B.
C.
D.
Answer: B
63)   

Which post-process operation improves the mechanical properties of metals?

A.
B.
C.
D.
Answer: C
64)   

Deburring is done to:

A.
B.
C.
D.
Answer: C
65)   

Electroplating is used in post-processing to:

A.
B.
C.
D.
Answer: B
66)   

Which surface roughness parameter is defined as the arithmetic average of absolute height deviations?

A.
B.
C.
D.
Answer: D
67)   

The main purpose of a PFD is:

A.
B.
C.
D.
Answer: B
68)   

The depth of a hole is measured using the

A.
B.
C.
D.
Answer: C
69)   

If 10 Vernier scale divisions = 9 mm, the least count is:

A.
B.
C.
D.
Answer: A
70)   

The lock screw is used to:

A.
B.
C.
D.
Answer: B
71)   

Vernier Caliper is a type of:

A.
B.
C.
D.
Answer: B
72)   

Which micrometer is used to measure the depth of a hole?

A.
B.
C.
D.
Answer: C
73)   

The thimble rotates around the:

A.
B.
C.
D.
Answer: C
74)   

The number of divisions on a standard thimble scale is usually:

A.
B.
C.
D.
Answer: C
75)   

The material commonly used for precision gauges is:

A.
B.
C.
D.
Answer: B