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MCQs

Total Questions : 364 | Page 8 of 37 pages
Question 71. . Which of the following is not the essential requirement for accuracy of measurement with a sine bar
  1.    Flatness of upper surface
  2.    Equality of size and roundness of rollers
  3.    Exact distance between roller axes and mutual parallelism
  4.    Parallelism between top and bottom surfaces
 Discuss Question
Answer: Option D. -> Parallelism between top and bottom surfaces
Question 72. . The following type of gauges has gauging sections combined on one end
  1.    Combination gauge
  2.    Progressive gauge.
  3.    Go and No Go gauge
  4.    Fixed gauge
 Discuss Question
Answer: Option B. -> Progressive gauge.
Question 73. . Error of measuring equipment is
  1.    The closeness with which a measurement can be read directly from a measuring instrument.
  2.    A measure of how close the reading is to the true size
  3.    (e) the difference between measured value and actual value
  4.    The smallest change in measureand that can be measured
 Discuss Question
Answer: Option C. -> (e) the difference between measured value and actual value
Question 74. . Gear tooth vernier is used to measure
  1.    Circular pitch
  2.    Pitch line thickness of tooth.
  3.    Tooth thickness
  4.    Addendum and dedendum
 Discuss Question
Answer: Option B. -> Pitch line thickness of tooth.
Question 75. . Which comparator utilises the principle of a button spinning on a loop of string
  1.    Sigma comparator
  2.    Aramson comparator
  3.    Optical comparator
  4.    Zeiss interferometer
 Discuss Question
Answer: Option B. -> Aramson comparator
Question 76. . The vernier reading should not be taken at ? its face value before an actual check has been taken for
  1.    Zero error
  2.    Its calibration
  3.    Flatness of measuring jaws
  4.    Temperature equalisation
 Discuss Question
Answer: Option A. -> Zero error
Question 77. . Which of the following is not provided on combination set
  1.    Centre head
  2.    Protractor head
  3.    Vernier scale
  4.    Spirit level
 Discuss Question
Answer: Option C. -> Vernier scale
Question 78. . Universal surface gauge is used
  1.    For flatness testing
  2.    For layout work and inspection
  3.    For measuring profile of complex surface
  4.    For measuring surface roughness
 Discuss Question
Answer: Option B. -> For layout work and inspection
Question 79. . Accuracy is
  1.    The repeatability of a measuring process
  2.    Error of judgement in recording an observation
  3.    The ability of instrument to reproduce same reading under identical situations
  4.    Agreement of the result of a measurement with the true value of the measured quantity
 Discuss Question
Answer: Option D. -> Agreement of the result of a measurement with the true value of the measured quantity
Question 80. . Which one of the following is the least accurate measuring device
  1.    Air gauge
  2.    Steel scale.
  3.    Optical projector
  4.    Vernier micrometer
 Discuss Question
Answer: Option B. -> Steel scale.

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