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MCQs

Total Questions : 364 | Page 13 of 37 pages
Question 121. 2. It is desirable to handle the slip gauges with a cloth or chamois leather in order to
  1.    Avoid injury to hands
  2.    Protect the surfaces of slip gauges
  3.    Insulate them from the heat of the hand
  4.    Ensure that the varnish applied on gauges does not come out
 Discuss Question
Answer: Option C. -> Insulate them from the heat of the hand
Question 122. 1. Eden-Roll comparator is a popular inqmment for the
  1.    Calibration of slip gauges
  2.    Absolute measurement of length of slip gauges
  3.    Measurement of flatness
  4.    Measurement of angles
 Discuss Question
Answer: Option A. -> Calibration of slip gauges
Question 123. 6. IS specifications specify vernier calipers as type A, B and C. This classification is based on
  1.    Accuracy
  2.    Least count
  3.    Range
  4.    Internal or external measurement and for marking purpose
 Discuss Question
Answer: Option D. -> Internal or external measurement and for marking purpose
Question 124. 4. For defming length the standard generally followed is
  1.    Bar standard
  2.    End standard
  3.    Light wave standard
  4.    Any of the above
 Discuss Question
Answer: Option D. -> Any of the above
Question 125. 5. Planer gauge is used for
  1.    Testing flatness of surface
  2.    Adding to utility of measurements on surface plate
  3.    Angular measurement
  4.    Testing radius of corners
 Discuss Question
Answer: Option B. -> Adding to utility of measurements on surface plate
Question 126. 3. For grade IT 7, value-of tolerance is equal to
  1.    7 i
  2.    10 i
  3.    16i
  4.    25 i
 Discuss Question
Answer: Option C. -> 16i
Question 127. 8. 'Optical micrometer is used to
  1.    Measure small linear displacements
  2.    Measure surface profiles
  3.    Measure surface roughness
  4.    Set very small displacement by rotating the glass block through relatively large angles
 Discuss Question
Answer: Option D. -> Set very small displacement by rotating the glass block through relatively large angles
Question 128. 7. The cross-section of straight edges upto 180 mm length is
  1.    Rectangular
  2.    Circular
  3.    I-section
  4.    Elliptical
 Discuss Question
Answer: Option A. -> Rectangular
Question 129. 0. The maximum munber of faces in precision polygons can be
  1.    6
  2.    72
  3.    12
  4.    20
 Discuss Question
Answer: Option B. -> 72
Question 130. 1. In precision polygon, a central hole and small holes are drilled through the thickness
  1.    For mounting purposes
  2.    To achieve high accuracy
  3.    For ease of manufacture
  4.    To make them light
 Discuss Question
Answer: Option A. -> For mounting purposes

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