Questions and answers for exam Preparation

MCQs

Total Questions : 364 | Page 4 of 37 pages

Question 31. . The axis of measurement of the scale or other dimensional reference should coincide. This principle is called the

Principle of kinematic design
Principle of alignment
Principle of linear measuring instruments
Principle of collinearity

Discuss Question

Answer: Option B. -> Principle of alignment

Question 32. . If attempts are made to make an instrument very sensitive, which of the following qualities is likely to be impaired

Precision
Accuracy
Readability
Rangeability

Discuss Question

Answer: Option A. -> Precision

Question 33. . Which of the following gives an idea_ about the ability of the equipment to detect small vartiation in the input signal (quantity being measured)

Readability
Accuracy
Sensivity
Precision

Discuss Question

Answer: Option C. -> Sensivity

Question 34. . Pick out the wrong stateinent about flexible strips.

These are used in instruments where small movements are required between component parts
No force or torque is required to displace a member located on flexible strip from its mid position
It has no friction or backlash
It is not subjected to wear

Discuss Question

Answer: Option B. -> No force or torque is required to displace a member located on flexible strip from its mid position

Question 35. . The least count of a metric vernier caliper having 25 divisions on vernier scale, matching with 24 divisions of main scale (1 main scale division = 0.5 mm) is

0.05 mm
0.01 mm
0.02 mm
0.001 mm

Discuss Question

Answer: Option C. -> 0.02 mm

Question 36. . A scale in which the distance between graduations if proportional to the value of that graduation is called

Regular scale
Equidistant scale
Linear scale
Line scale

Discuss Question

Answer: Option C. -> Linear scale

Question 37. . Repeatability of measuring equipment is

The closeness with which a measurement can be read directly from a measuring instrument
The capability of indicate the same reading again and again for a given meas xcarid.
Difference between measured value and actual valve
The smallest change in measurand that can be measured

Discuss Question

Answer: Option B. -> The capability of indicate the same reading again and again for a given meas xcarid.

Question 38. . A scale whose graduation marks are in a discontinuous manner and are composed of aligned numbers indicating directly the numerical value of the quantity measured is called