Multiple Choice Questions (MCQ) with Answers on Mechanical Measurement and Metrology

Multiple Choice Questions (MCQ) with Answers on Mechanical Measurement and Metrology

 

1-The degree of closeness of the measured value of a certain quantity with its true value is known as

  1. Accuracy
  2. Precision
  3. Standard
  4. Sensitivity

(Ans: a)

 

2-Error of measurement =

  1. True value – Measured value
  2. Precision – True value
  3. Measured value – Precision
  4. None of the above

(Ans: a)

 

3-The ability by which a measuring device can detect small differences in the quantity being measured by it, is called its

  1. Damping
  2. Sensitivity
  3. Accuracy
  4. None of the above

(Ans: b)

 

4-The following term(s) is (are) associated with measuring devices

  1. Sensitivity
  2. Damping
  3. Both ‘a’ and ‘b’
  4. None of the above

(Ans: c)

 

5-To compare an unknown with a standard through a calibrated system is called

  1. Direct comparison
  2. Indirect comparison
  3. both ‘a’ and ‘b’
  4. None of the above

(Ans: b)

 

6-The following is an internationally recognized and accepted unit system

  1. MKS
  2. FPS
  3. SI
  4. All of the above

(Ans: c)

 

7-One yard = _____ inch

  1. 36
  2. 38
  3. 40
  4. 42

(Ans: a)

 

8-The following is a line standard of measurement

  1. Measuring tape
  2. Slip gauge
  3. Micrometer
  4. End bars

(Ans: a)

 

9-The ‘Wringing’ is due to

  1. Atmospheric pressure
  2. Molecular attraction
  3. both ‘a’ and ‘b’
  4. None of the above

(Ans: c)

 

10-The angle gauge by Dr. Tamlison consists of a set of

  1. 10 gauges
  2. 12 gauges
  3. 14 gauges
  4. 16 gauges

(Ans: a)

 

11-1 Angstrom (Å) = _____

  1. 10^-6m
  2. 10^-8m
  3. 10^-10m
  4. 10^-12m

(Ans: c)

 

12-The principle of ‘Interchangeability’ is normally employed for

  1. Mass production
  2. Production of identical parts
  3. Parts within the prescribed limits of sizes
  4. All of the above

(Ans: d)

 

13-Following is the theoretical size which is common to both the parts of a mating pair

  1. Normal size
  2. Actual size
  3. Base size
  4. All of the above

(Ans: c)

 

14-_____ is equal to the differences of the two limits of size of the part

  1. Tolerance
  2. Low limit
  3. High limit
  4. Design size

(Ans: a)

 

15-The amount by which the actual size of a shaft is less than the actual size of mating hole in an assembly

  1. Clearance
  2. Interference
  3. Allowance
  4. None of the above

(Ans: a)