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MCQ - TNPSC JTO

JTO - 534 - Advanced Computer Numerical Control

534 - Unit III Product specification

65)   

Electroplating is used in post-processing to:

A.
B.
C.
D.
66)   

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

A.
B.
C.
D.
67)   

The main purpose of a PFD is:

A.
B.
C.
D.
68)   

The depth of a hole is measured using the

A.
B.
C.
D.
69)   

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

A.
B.
C.
D.
70)   

The lock screw is used to:

A.
B.
C.
D.
71)   

Vernier Caliper is a type of:

A.
B.
C.
D.
72)   

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

A.
B.
C.
D.
73)   

The thimble rotates around the:

A.
B.
C.
D.
74)   

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

A.
B.
C.
D.
75)   

The material commonly used for precision gauges is:

A.
B.
C.
D.
76)   

The symbol ⌵ used in surface finish on drawings indicates:

A.
B.
C.
D.
77)   

The surface roughness value Ra is expressed in:

A.
B.
C.
D.
78)   

Which international standard deals with surface texture on engineering drawings?

A.
B.
C.
D.
79)   

What does the addition of a circle to the surface finish symbol indicate?

A.
B.
C.
D.
80)   

A Ra value of 0.4 µm represents:

A.
B.
C.
D.