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MCQs

Total Questions : 364 | Page 2 of 37 pages
Question 11. . The maximum amount by which the result differs from the true value is called
  1.    Correction
  2.    Discrepancy
  3.    Error
  4.    Accuracy
 Discuss Question
Answer: Option D. -> Accuracy
Question 12. . Which of the following errors are regularly repetitive in nature
  1.    Systematic errors
  2.    Random errors
  3.    Illegitimate errors
  4.    Controllable errors
 Discuss Question
Answer: Option A. -> Systematic errors
Question 13. . Response is defined as the measure of a system's fidelity to purpose. The response of measuring instruments may be considered to the following cases
  1.    Amplitude response
  2.    All of the above.
  3.    Phase response
  4.    Delay or rise time
 Discuss Question
Answer: Option B. -> All of the above.
Question 14. . Which of the following can be used to scribe lines parallel to the edges of a part
  1.    Vernier calipers
  2.    Screw gauge
  3.    Divider
  4.    Hermaphrodite caliper
 Discuss Question
Answer: Option D. -> Hermaphrodite caliper
Question 15. . Which of the following errors are inevitable in the measuring system and it would be vainflul exercise to avoid them
  1.    Systematic errors
  2.    Random errors
  3.    Calibration errors
  4.    Environmental errors
 Discuss Question
Answer: Option B. -> Random errors
Question 16. . Which of the following refers to parasitic error.
  1.    Error, often gross, which results from incorrect execution of measurement
  2.    Algebraic difference between the results of measurement and the value of comparison
  3.    Error which varies in an unpredictable manner in absolute value and in sign when a large number of measurements of the same value of a quantity are made under practically identical conditions.
  4.    Disagreement between the result of measurement and the value of the quantity measured
 Discuss Question
Answer: Option A. -> Error, often gross, which results from incorrect execution of measurement
Question 17. . Which of the following instruments is most accurate
  1.    Vertical caliper
  2.    Manometric screw gauge
  3.    Optical projector
  4.    Mechanical comparator
 Discuss Question
Answer: Option C. -> Optical projector
Question 18. . Parasitic error is caused due to
  1.    Improper use of measuring instrument
  2.    Wrong design of instrument
  3.    Changes in ambient conditions
  4.    Errors in computation
 Discuss Question
Answer: Option D. -> Errors in computation
Question 19. . A surface gauge is used for
  1.    Levelling the surface plate
  2.    Checking the surface fmish
  3.    Laying out the work accurately
  4.    Finding the depth of the surface
 Discuss Question
Answer: Option C. -> Laying out the work accurately
Question 20. . Which of the following characterises the dispersion of the results obtained in a series of measurements of the same value of a quantity measured
  1.    Absolute error
  2.    Relative error
  3.    Root mean square deviation
  4.    Uncertainty of measurement
 Discuss Question
Answer: Option C. -> Root mean square deviation

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