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)

16-A positive allowance will always result in a _____ fit.
  1. Clearance
  2. Interference
  3. both ‘a’ and ‘b’
  4. Any of the above
(Ans: a)

17-A negative allowance will always result in a _____ fit.
  1. Clearance
  2. Interference
  3. Transition
  4. Any of the above
(Ans: b)

18-A shaft rotating in a bushed bearing is good example of
  1. Sliding fit
  2. Running fit
  3. Push fit
  4. Driving fit
(Ans: b)

19-Fitting of rim on a locomotive wheel is done by
  1. Keying fit
  2. Driving fit
  3. Force fir
  4. Any of the above
(Ans: c)

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