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MCQs

Total Questions : 2607 | Page 110 of 261 pages
Question 1091.

In radial bearings, the load acts __________ to the axis of rotation.


  1.    parallel
  2.    perpendicular
 Discuss Question
Answer: Option B. -> perpendicular


Question 1092.
 
In a marine flange coupling, the pitch circle diameter of bolts is taken as
  1.    1.2 d
  2.    1.6 d
  3.    2 d
  4.    2.5 d
 Discuss Question
Answer: Option B. -> 1.6 d


Question 1093.
The maximum bending stress in a curved beam having symmetrical section always occur at the
  1.    centroidal axis
  2.    neutral axis
  3.    inside fibre
  4.    outside fibre
 Discuss Question
Answer: Option C. -> inside fibre


Question 1094.
 
When the frictional force helps to apply the brake, then the brake is said to be self-energizing brake.
  1.    Correct
  2.    Incorrect
 Discuss Question
Answer: Option A. -> Correct


Question 1095.
 
The fatigue limit of a material is greatly decreased by poor surface conditions.
  1.    Agree
  2.    Disagree
 Discuss Question
Answer: Option A. -> Agree


Question 1096.
An imaginary circle which by pure rolling action gives the same motion as the actual gear, is called
  1.    addendum circle
  2.    dedendum circle
  3.    pitch circle
  4.    clearance circle
 Discuss Question
Answer: Option C. -> pitch circle


Question 1097.
 
The value of Lewis form factor used in design of gears is
  1.    dependent on number of teeth of a gear
  2.    dependent on system of teeth
  3.    independent of size of teeth
  4.    all of these
 Discuss Question
Answer: Option D. -> all of these


Question 1098.

While designing a screw in a screw jack against buckling failure, the end conditions for the screw are taken as


  1.    both the ends fixed
  2.    both the ends hinged
  3.    one end fixed and the other end hinged
  4.    one end fixed and the other end free
 Discuss Question
Answer: Option D. -> one end fixed and the other end free


Question 1099.

In order to ensure self locking in a screw jack, it is essential that helix angle is __________ friction angle.


  1.    larger than
  2.    smaller than
  3.    equal to
 Discuss Question
Answer: Option B. -> smaller than


Question 1100.
In a journal bearing, the load on the bearing is __________ to the axis of the journal.
  1.    parallel
  2.    perpendicular
 Discuss Question
Answer: Option B. -> perpendicular


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