Engineering Metrology MCQs

Question 1

For general use the measuring tip of a comparator should be

Accepted Answer

Spherical

Answer

Flat

Answer

Conical

Answer

Concave

Question 2

Basic shaft and basic hole are those whose upper deviations and lower='deviation respectively are

Accepted Answer

Zero, zero.

Answer

+ ye, ? ve

Answer

Minimum, minimum

Answer

Minimum, maximum

Question 3

The standard tolerance unit is equal to

Accepted Answer

0.45 (3-V5) + 0.001D

Answer

0.45 (3V5) + 0.001D

Answer

0.45 (3Arg) + 0.01D

Answer

0.45 (4To) + 0.01D

Question 4

Eden-Roll comparator is a popular inqmment for the

Accepted Answer

Calibration of slip gauges

Answer

Absolute measurement of length of slip gauges

Answer

Measurement of flatness

Answer

Measurement of angles

Question 5

It is desirable to handle the slip gauges with a cloth or chamois leather in order to

Accepted Answer

Insulate them from the heat of the hand

Answer

Avoid injury to hands

Answer

Protect the surfaces of slip gauges

Answer

Ensure that the varnish applied on gauges does not come out

Question 6

For grade IT 7, value-of tolerance is equal to

Accepted Answer

16i

Answer

7 i

Answer

10 i

Answer

25 i

Question 7

For defming length the standard generally followed is

Accepted Answer

Any of the above

Answer

Bar standard

Answer

End standard

Answer

Light wave standard

Question 8

Planer gauge is used for

Accepted Answer

Adding to utility of measurements on surface plate

Answer

Testing flatness of surface

Answer

Angular measurement

Answer

Testing radius of corners

Question 9

IS specifications specify vernier calipers as type A, B and C. This classification is based on

Accepted Answer

Internal or external measurement and for marking purpose

Answer

Accuracy

Answer

Least count

Answer

Range