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MCQs

Total Questions : 364 | Page 15 of 37 pages
Question 141. 1. Clinometer is related with
  1.    Engineer's parallels
  2.    Angle gauges
  3.    Spirit level
  4.    Bevel protractor
 Discuss Question
Answer: Option C. -> Spirit level
Question 142. 3. Autocollimator is used for
  1.    Parallelism measurement
  2.    Straightness measurement
  3.    Flatness measurement
  4.    Angular measurement
 Discuss Question
Answer: Option D. -> Angular measurement
Question 143. 2. Which of the following is the essential condition for interferometry measurement
  1.    An air gap (a wedge) of varying thickness must exist between the two surfaces
  2.    All of the above.
  3.    The work surface must be reflective
  4.    Monochromatic source of light is required
 Discuss Question
Answer: Option B. -> All of the above.
Question 144. 4. Which one of the following is an angle measuring device
  1.    Tranunel
  2.    Sine bar.
  3.    Divider
  4.    Angle iron
 Discuss Question
Answer: Option B. -> Sine bar.
Question 145. 7. If x be half the included angle of thread and p its pitch, then best size wire's diameter for measurement of effective diameter of thread is
  1.    P12 sec x
  2.    P sec x/2
  3.    P cos x/2
  4.    P12 cos x/2
 Discuss Question
Answer: Option A. -> P12 sec x
Question 146. 6. A collimator is simply a
  1.    Source of a bundle of parallel light rays
  2.    Source of point light
  3.    Sort of alignment telescope
  4.    Standard for flatness
 Discuss Question
Answer: Option A. -> Source of a bundle of parallel light rays
Question 147. 5. Filar microscopes
  1.    Have no reticles
  2.    Have fixed reticles
  3.    Have moving reticles
  4.    Can be moved relative to the work by means of a fine-pitch lead screw
 Discuss Question
Answer: Option C. -> Have moving reticles
Question 148. 8. Angle Dekkor is another type of
  1.    Auto-collimator
  2.    Optical square
  3.    Clinometer
  4.    Angle gauge
 Discuss Question
Answer: Option A. -> Auto-collimator
Question 149. 3. Some substances generate voltage when they are subjected to mechanical forces or stresses along specific planes. Such substances are known as
  1.    Thermo-electric
  2.    Magneto-electric
  3.    Piezo-electric
  4.    Photo-electric
 Discuss Question
Answer: Option C. -> Piezo-electric
Question 150. 4. Tomlinson recorder is associated with measurement of
  1.    Surface flaws
  2.    Surface perpendicularity
  3.    Surface finish
  4.    Surface curvature
 Discuss Question
Answer: Option B. -> Surface perpendicularity

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