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MCQs

Total Questions : 364 | Page 20 of 37 pages
Question 191. 2. Optical flats are used in conjunction with
  1.    Angular measurements
  2.    Surface flatness
  3.    Surface parallelism
  4.    Interferrometric measurement
 Discuss Question
Answer: Option D. -> Interferrometric measurement
Question 192. 1. Addendum of a gear is equal to
  1.    Pitch p
  2.    0.3 p
  3.    0.3183 p
  4.    0.3683 p
 Discuss Question
Answer: Option C. -> 0.3183 p
Question 193. 3. In the phenomenon of optical interference, the two beams of light, both originating from the same source, can cause interference patterns when the path difference between them amounts to
  1.    1 micron
  2.    1 mm
  3.    One wavelength of the light being used
  4.    An odd half-wavelength of the light being used
 Discuss Question
Answer: Option D. -> An odd half-wavelength of the light being used
Question 194. 4. A 20 mm diameter international metric thread will have a pitch of
  1.    1 mm
  2.    2.5 mm.
  3.    1.50 mm
  4.    2.0 mm
 Discuss Question
Answer: Option B. -> 2.5 mm.
Question 195. 6. Which of the following gauge is of full form
  1.    Go gauge
  2.    No Go gauge
  3.    Snap gauge
  4.    Thread gauge
 Discuss Question
Answer: Option A. -> Go gauge
Question 196. 5. Wear allowance is provided on
  1.    Go gauge
  2.    No Go gauge
  3.    Both Go and No Go gauges
  4.    When both are combined in one gauge
 Discuss Question
Answer: Option A. -> Go gauge
Question 197. 7. Taylor's principle is cocerned with
  1.    Pneumatic comparators
  2.    Interferometric measurements
  3.    Gauging measurements
  4.    Angular measurements
 Discuss Question
Answer: Option C. -> Gauging measurements
Question 198. 8. Accuracy of setting a sine bar
  1.    Is poor for smaller angles
  2.    Is maximum when angle of measurement is 45?
  3.    Decreases appreciably with steep angle
  4.    Is dependent on accuracy of outer dimensions of sine bar
 Discuss Question
Answer: Option C. -> Decreases appreciably with steep angle
Question 199. 0. Profile of a gear tooth is to be checked. Which one of the following device would ? you choose
  1.    Optical pyrometer
  2.    Optical projector.
  3.    Sine bar
  4.    Telescopic gauge
 Discuss Question
Answer: Option B. -> Optical projector.
Question 200. 9. The radius of curvature of tube in precise spirit level is of the order of
  1.    10 cm
  2.    50 m.
  3.    1 m
  4.    10 cm
 Discuss Question
Answer: Option B. -> 50 m.

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