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MCQs

Total Questions : 2607 | Page 123 of 261 pages
Question 1221.

A connecting rod should be


  1.    strong in buckling about X-axis
  2.    strong in buckling about Y-axis
  3.    equally strong in buckling about X-axis and Y-axis
  4.    any one of the above
 Discuss Question
Answer: Option C. -> equally strong in buckling about X-axis and Y-axis


Question 1222.

When the length of the journal is equal to the diameter of the journal, then the bearing is said to be a


  1.    short bearing
  2.    long bearing
  3.    medium bearing
  4.    square bearing
 Discuss Question
Answer: Option D. -> square bearing


Question 1223.

In worm, gears, pitch lead angle is


  1.    half the angle between two inclined faces in axial plane
  2.    the angle between the tangent to the pitch helix and the plane of rotation
  3.    the angle between the tangent to the pitch helix and an element of the cylinder
  4.    none of the above
 Discuss Question
Answer: Option B. -> the angle between the tangent to the pitch helix and the plane of rotation


Question 1224.

A pressure vessel is said to be a thick shell, if the ratio of wall thickness to its diameter is


  1.    equal to 1/10
  2.    less than 1/10
  3.    greater than 1/10
  4.    none of these
 Discuss Question
Answer: Option C. -> greater than 1/10


Question 1225.

The diameter of the rivet hole is usually __________ the nominal diameter of the rivet.


  1.    equal to
  2.    less than
  3.    more than
 Discuss Question
Answer: Option C. -> more than


Question 1226.
 
The resilience of a bolt may be increased by
  1.    increasing its shank diameter
  2.    increasing its length
  3.    decreasing its shank diameter
  4.    decreasing its length
 Discuss Question
Answer: Option B. -> increasing its length


Question 1227.
 
The radial stress across the thickness of a thick cylinder is maximum at the inner surface and zero at the outer surface.
  1.    True
  2.    False
 Discuss Question
Answer: Option A. -> True


Question 1228.

The minor diameter of a screw thread is also known as outside or nominal diameter.


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


Question 1229.
The cam follower extensively used in air-craft engines is
  1.    knife edge follower
  2.    flat faced follower
  3.    spherical faced follower
  4.    roller follower
 Discuss Question
Answer: Option D. -> roller follower


Question 1230.
Which of the following has threads at both ends?
  1.    Bolt
  2.    Tap bolt
  3.    Stud
  4.    none of these
 Discuss Question
Answer: Option C. -> Stud


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