Exam preparation MCQs with answers

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Latest MCQs

In hydrostatic bearings ____________________?
  • (A)  the Oil film pressure is generated only by the rotation of the journal
  • (B)  the oil film is maintained by supplying oil under pressure
  • (C)  do not require external supply of lubricant
  • (D)  grease is used for lubrication
  • (E)  none of the above
In cross or regular lay ropes_________________?
  • (A)  direction of twist of wires in strands is opposite to the direction of twist of strands
  • (B)  direction of twist of wires and strands are same
  • (C)  wires in two adjacent strands are twisted in opposite direction
  • (D)  wires are not twisted
  • (E)  none of the above
Basic hole is one_________________?
  • (A)  whose upper deviation is zero
  • (B)  whose lower deviation is zero
  • (C)  whose lower as well as upper deviations are zero
  • (D)  does not exist
  • (E)  none of the above
Castle nut is a locking device in which__________________?
  • (A)  one smaller nut is tightened over main nut and main nut tightened against smaller one by loosening, creating friction jamming
  • (B)  a slot is cut partly is middle of nut and then slot reduced by tightening a screw
  • (C)  a hard fiber or nylon cotter is recessed in the nut and becomes threaded as the nut is screwed on the bolt causing a tight grip
  • (D)  through slots are made at top and a cotter pin is passed through these and a hole in the bolt, and cotter pin spitted and bent in reverse direction at other end
  • (E)  none of the above.