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MCQs

Total Questions : 2607 | Page 102 of 261 pages
Question 1011.

A cotter joint is used to connect two __________ rods.


  1.    co-axial
  2.    perpendicular
  3.    parallel
 Discuss Question
Answer: Option A. -> co-axial


Question 1012.
 
When a cylinder is subjected to a very high internal fluid pressure, the thin cylinder should be used.



  1.    Correct
  2.    Incorrect
 Discuss Question
Answer: Option A. -> Correct


Question 1013.

Gears are casted by


  1.    sand mould casting
  2.    slush casting
  3.    permanent mould casting
  4.    centrifugal casting
 Discuss Question
Answer: Option C. -> permanent mould casting


Question 1014.
The pressure angle for involute gears depends upon the size of teeth.
  1.    Agree
  2.    Disagree
 Discuss Question
Answer: Option B. -> Disagree


Question 1015.
 
When a belt drive is transmitting maximum power,
  1.    effective tension is equal to centrifugal tension
  2.    effective tension is half of centrifugal tension
  3.    driving tension on slack side is equal to centrifugal tension
  4.    driving tension on tight side is twice the centrifugal tension
 Discuss Question
Answer: Option D. -> driving tension on tight side is twice the centrifugal tension


Question 1016.


The stress which vary from a minimum value to a maximum value of the same nature (i.e. tensile or compressive) is called


  1.    repeated stress
  2.    yield stress
  3.    fluctuating stress
  4.    alternating stress
 Discuss Question
Answer: Option C. -> fluctuating stress


Question 1017.
.When the material of key and shaft is same, and the width of key is one-fourth of the diameter of shaft (d), then length of key will be
  1.    0.8 d
  2.    1.2 d
  3.    1.57 d
  4.    1.8 d
 Discuss Question
Answer: Option C. -> 1.57 d


Question 1018.


The distribution of the forces along the length of key fitted in a shaft


  1.    varies linearly
  2.    is uniform throughout
  3.    varies exponentially, being more near the torque-input end
  4.    varies exponentially, being less near the torque-input end
 Discuss Question
Answer: Option C. -> varies exponentially, being more near the torque-input end


Question 1019.

The permissible stress in the fillet weld is 100 N/mm2. The fillet weld has equal leg lengths of 15 mm each. The allowable shearing load on the weldment per cm length of the weld is


  1.    7.5 kN
  2.    10.6 kN
  3.    15 kN
  4.    22.5 kN
 Discuss Question
Answer: Option B. -> 10.6 kN


Question 1020.


The stretching in a belt can be controlled by __________ the stress in the belt.


  1.    reducing
  2.    increasing
 Discuss Question
Answer: Option A. -> reducing


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