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MCQs

Total Questions : 2607 | Page 104 of 261 pages
Question 1031.

 
A feather key is generally


  1.    loose in shaft and tight in hub
  2.    tight in shaft and loose in hub
  3.    tight in both shaft and hub
  4.    loose in both shaft and hub
 Discuss Question
Answer: Option B. -> tight in shaft and loose in hub


Question 1032.

 
The contact ratio for gears is


  1.    zero
  2.    less than one
  3.    greater than one
  4.    none of these
 Discuss Question
Answer: Option C. -> greater than one


Question 1033.


The algebraic difference between the maximum limit and the basic size is called


  1.    lower deviation
  2.    upper deviation
  3.    actual deviation
  4.    mean deviation
 Discuss Question
Answer: Option B. -> upper deviation


Question 1034.


The dynamic tooth load is due to


  1.    inaccuracies of tooth spacing
  2.    irregularities in tooth profiles
  3.    deflections of teeth under load
  4.    all of these
 Discuss Question
Answer: Option D. -> all of these


Question 1035.

Which of the following statement is correct regarding power screws?


  1.    The efficiency of a self locking screw can not be more than 50%
  2.    The efficiency of Acme (trapezoidal) thread is less than that of a square thread
  3.    If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50%
  4.    (A) and (B) Only
 Discuss Question
Answer: Option D. -> (A) and (B) Only


Question 1036.


A flange coupling is used to connect two shafts


  1.    which are perfectly aligned
  2.    which are not in exact alignment
  3.    have lateral misalignment
  4.    whose axes intersect at a small angle
 Discuss Question
Answer: Option A. -> which are perfectly aligned


Question 1037.

.A hollow shaft will transmit a __________ torque than a solid shaft of the same mass and same material.


  1.    smaller
  2.    greater
 Discuss Question
Answer: Option B. -> greater


Question 1038.


A cotter joint is used to transmit


  1.    axial tensile load only
  2.    axial compressive load only
  3.    combined axial and twisting loads
  4.    axial tensile or compressive loads
 Discuss Question
Answer: Option D. -> axial tensile or compressive loads


Question 1039.

 
The taper on key is given on


  1.    bottom side only
  2.    top side only
  3.    on both sides
  4.    any side
 Discuss Question
Answer: Option B. -> top side only


Question 1040.


The washer is generally specified by its


  1.    outer diameter
  2.    hole diameter
  3.    thickness
  4.    mean diameter
 Discuss Question
Answer: Option B. -> hole diameter


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