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MCQs

Total Questions : 364 | Page 7 of 37 pages
Question 61. . The term traceability in Engineering Metrology is concerned with
  1.    Measuring machines
  2.    Optical instruments
  3.    Pneumatic comparator
  4.    Standards
 Discuss Question
Answer: Option D. -> Standards
Question 62. . In selective assembly
  1.    Parts in an assembly can be replaced by a similar part without any further alteration
  2.    The parts of any one type are classified into several groups according to size.
  3.    All the parts are always interchangeable
  4.    The size of one of the components is measured accurately and then mating component is made to match with this
 Discuss Question
Answer: Option B. -> The parts of any one type are classified into several groups according to size.
Question 63. . Constant
  1.    Locknut
  2.    Ratchet.
  3.    Spindle
  4.    Spanner
 Discuss Question
Answer: Option B. -> Ratchet.
Question 64. . The basic unit in angular measurements is
  1.    Degree
  2.    Minute
  3.    Second
  4.    Right angle
 Discuss Question
Answer: Option D. -> Right angle
Question 65. . The advantage of wavelength standard is that it would be possible to repeat measurements to a very high degree of accuracy. The wavelength standards can be reproduced to an accuracy of about one part in
  1.    1000
  2.    109
  3.    107
  4.    108
 Discuss Question
Answer: Option B. -> 109
Question 66. . The micrometer shown in Fig. 6 is called
  1.    Tube micrometer
  2.    Depth micrometer.
  3.    Height micrometer
  4.    Disc type micrometer
 Discuss Question
Answer: Option B. -> Depth micrometer.
Question 67. . According to well accepted practice, slip gauges which have been handled for a few minutes should be left for sometime. The reason for this could be
  1.    The moisture transferred from hand would evaporate
  2.    The structure of gauges, if disturbed would stabilise
  3.    Gauges attain the room temperature again
  4.    (c1) with continuous use, gauges may wear quickly
 Discuss Question
Answer: Option C. -> Gauges attain the room temperature again
Question 68. . Circular scale of the micrometer is marked on
  1.    Anvil
  2.    Barrel
  3.    Ratchet
  4.    Thimble
 Discuss Question
Answer: Option D. -> Thimble
Question 69. . Millimeter scale in a micrometer is marked on
  1.    Barrel
  2.    Thimble
  3.    Spindle
  4.    Anvil
 Discuss Question
Answer: Option A. -> Barrel
Question 70. . Optical gauge works on the principle of
  1.    Refraction
  2.    Interference of light rays.
  3.    Dispersion
  4.    Polarisation
 Discuss Question
Answer: Option B. -> Interference of light rays.

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