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MCQs

Total Questions : 2607 | Page 114 of 261 pages
Question 1131.

Guest's theory is used for


  1.    brittle materials
  2.    ductile materials
  3.    elastic materials
  4.    plastic materials
 Discuss Question
Answer: Option B. -> ductile materials


Question 1132.
 
The square threads are usually found on
  1.    spindles of bench vices
  2.    railway carriage couplings
  3.    feed mechanism of machine tools
  4.    screw cutting lathes
 Discuss Question
Answer: Option C. -> feed mechanism of machine tools


Question 1133.

A steel containing 0.8% carbon is known as


  1.    eutectoid steel
  2.    hyper-eutectoid steel
  3.    hypo-eutectqid steel
  4.    none of these
 Discuss Question
Answer: Option A. -> eutectoid steel


Question 1134.

Which of the following coupling is used to connect two shafts which have both lateral and angular misalignment ?


  1.    Bushed pin type coupling
  2.    Universal coupling
  3.    Oldham coupling
  4.    all of these
 Discuss Question
Answer: Option D. -> all of these


Question 1135.
The power transmitted by means of a belt depends upon
  1.    velocity of the belt
  2.    tension under which the belt is placed on the pulleys
  3.    arc of contact between the belt and the smaller pulley
  4.    all of the above
 Discuss Question
Answer: Option D. -> all of the above


Question 1136.

In a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set in order to


  1.    educe vibration
  2.    reduce slip
  3.    ensure uniform loading
  4.    ensure proper alignment
 Discuss Question
Answer: Option C. -> ensure uniform loading


Question 1137.
 
The velocity factor for very accurately cut and ground metallic gears operating at velocities upto __________ is equal to 6/6 + v.
  1.    10 m/s
  2.    12.5 m/s
  3.    15 m/s
  4.    20 m/s
 Discuss Question
Answer: Option D. -> 20 m/s


Question 1138.

.The size of a cam depends upon


  1.    base circle
  2.    pitch circle
  3.    prime circle
  4.    pitch curve
 Discuss Question
Answer: Option A. -> base circle


Question 1139.

 
Two shafts will have equal strength, if


  1.    diameter of both the shafts is same
  2.    angle of twist of both the shafts is same
  3.    material of both the shafts is same
  4.    twisting moment of both the shafts is same
 Discuss Question
Answer: Option D. -> twisting moment of both the shafts is same


Question 1140.

 
The face angle of a bevel gear is equal to


  1.    pitch angle - addendum angle
  2.    pitch angle + addendum angle
  3.    pitch angle - dedendum angle
  4.    pitch angle + dedendum angle
 Discuss Question
Answer: Option B. -> pitch angle + addendum angle


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