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MCQs

Total Questions : 364 | Page 17 of 37 pages
Question 161. 0. Which of the following is not the correct method of specifying numerical value of surface roughness mean line
  1.    Centre-line average (CLA) value
  2.    Mean-line and envelop line systems
  3.    R.m.s value
  4.    Peak-to-valley height
 Discuss Question
Answer: Option B. -> Mean-line and envelop line systems
Question 162. 2. The primary texture or roughness or micro-errors on surface results due to
  1.    Normal action of the tool in production process
  2.    Vibrations and non-uniformity of cutting process
  3.    Flaws in material
  4.    Dominant direction of tool marks (lay)
 Discuss Question
Answer: Option A. -> Normal action of the tool in production process
Question 163. 3. The secondary texture or waviness, or macro-error on surface results due to
  1.    Normal action of the tool in production process
  2.    Vibrations and non-uniformity of cutting process
  3.    Flaws in material
  4.    Dominant direction of tool marks (lay)
 Discuss Question
Answer: Option B. -> Vibrations and non-uniformity of cutting process
Question 164. 4. The function of a transducer is
  1.    To amplify the input signal
  2.    To modify the input signal
  3.    To convert the primary signal into a more useful quantity usually an electrical impulse
  4.    To codify the input signal
 Discuss Question
Answer: Option C. -> To convert the primary signal into a more useful quantity usually an electrical impulse
Question 165. 7. Scale sensitivity is defined as
  1.    Ratio of a change in scale reading to corresponding change in pointer deflection
  2.    Least reading of scale/range of scale
  3.    Least reading of scale/unit measurable quantity
  4.    Least count of scale/range of scale
 Discuss Question
Answer: Option A. -> Ratio of a change in scale reading to corresponding change in pointer deflection
Question 166. 6. If graduations on beam of a vernier gauge are marked at every 1/2 mm and 10 divisions on vernier scale are on a distance of 9.5 mm, then least count is
  1.    0.1 mm
  2.    0.05 mm
  3.    0.01 mm
  4.    0.02 min
 Discuss Question
Answer: Option B. -> 0.05 mm
Question 167. 5. Pick up the correct statement in connection with surface finish.
  1.    Pitch of secondary texture is same as pitch of primary texture
  2.    Pitch of secondary texture is more than pitch of primary texture
  3.    Pitch of secondary texture is less than pitch of primary texture
  4.    Pitch of primary and secondary texture can't have any relationship
 Discuss Question
Answer: Option B. -> Pitch of secondary texture is more than pitch of primary texture
Question 168. 8. A three-lobed part if checked on 60? V-block would provide following magnification of the radial out-of-round characteristics
  1.    1 time
  2.    2 time
  3.    3 time
  4.    4 time
 Discuss Question
Answer: Option C. -> 3 time
Question 169. 9. A five-lobed part, if gauged in the 60? V-block would produce the following magnification of the radial out-of-round characteristics
  1.    0 time
  2.    1 time
  3.    2 times
  4.    3 times
 Discuss Question
Answer: Option A. -> 0 time
Question 170. 1. A plug gauge is used for measuring
  1.    Cylinders
  2.    Cylindrical bores
  3.    Spherical holes
  4.    Screw threads
 Discuss Question
Answer: Option B. -> Cylindrical bores

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