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MCQs

Total Questions : 2607 | Page 60 of 261 pages
Question 591. The stress in the threaded part of the bolt will be __________ as compared to the shank.
  1.    Same
  2.    Higher
  3.    Lower
  4.    None of these
 Discuss Question
Answer: Option B. -> Higher
Question 592. In cross or regular lay ropes
  1.    Direction of twist of wires in strands is opposite to the direction of twist of strands
  2.    Direction of twist of wires and strands are same
  3.    Wires in two adjacent strands are twisted in opposite direction
  4.    Wires are not twisted
 Discuss Question
Answer: Option A. -> Direction of twist of wires in strands is opposite to the direction of twist of strands
Question 593. The lower deviation is the algebraic difference between the
  1.    Actual size and the corresponding basic size
  2.    Maximum limit and the basic size
  3.    Minimum limit and the basic size
  4.    None of the above
 Discuss Question
Answer: Option C. -> Minimum limit and the basic size
Question 594. An Involute pinion and gear are in mesh. If both have the same size of addendum, then there will be interference between the
  1.    Tip of the pinion and flank of gear
  2.    Tip of the gear and flank of pinion
  3.    Flanks of both gear and pinion
  4.    Tip of both gear and pinion
 Discuss Question
Answer: Option B. -> Tip of the gear and flank of pinion
Question 595. A sliding bearing which operates without any lubricant present, is called
  1.    Zero film bearing
  2.    Boundary lubricated bearing
  3.    Hydrodynamic lubricated bearing
  4.    Hydrostatic lubricated bearing
 Discuss Question
Answer: Option A. -> Zero film bearing
Question 596. Residual stress in materials
  1.    Acts when external load is applied
  2.    Becomes zero when external load is removed
  3.    Is independent of external loads
  4.    Is always harmful
 Discuss Question
Answer: Option C. -> Is independent of external loads
Question 597. The stretching in a belt can be controlled by __________ the stress in the belt.
  1.    Reducing
  2.    Increasing
  3.    Both A and B
  4.    None of these
 Discuss Question
Answer: Option A. -> Reducing
Question 598. When compared to the rod of the same diameter and material, a wire rope
  1.    Is less flexible
  2.    Has a much smaller load carrying capacity
  3.    Does not provide much warning before failure
  4.    Provides much greater time for remedial action before failure
 Discuss Question
Answer: Option B. -> Has a much smaller load carrying capacity
Question 599. The design of shafts made of brittle materials is based on
  1.    Guest's theory
  2.    Rankine's theory
  3.    St Venant's theory
  4.    Von Mises theory
 Discuss Question
Answer: Option B. -> Rankine's theory
Question 600. The bearing characteristic number in a hydrodynamic bearing depends upon
  1.    Length, width and load
  2.    Length, width and speed
  3.    Viscosity, speed and load
  4.    Viscosity, speed and bearing pressure
 Discuss Question
Answer: Option D. -> Viscosity, speed and bearing pressure

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