Friction of Pivot and Collar Bearing MCQ

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• The angle of inclination of the plane, at which the body begins to move down the plane is called
  ক

  angle of friction

  খ

  angle of repose

  গ

  angle of projection

  ঘ

  none of the mentioned
• The static friction
  ক

  bears a constant ratio to the normal reaction between the two surfaces

  খ

  is independent of the area of contact, between the two surfaces

  গ

  always acts in a direction, opposite to that in which the body tends to move

  ঘ

  all of the mentioned
• The dynamic friction is the friction experienced by a body, when the body
  ক

  is in motion

  খ

  is at rest

  গ

  just begins to slide over the surface of the other body

  ঘ

  none of the mentioned
• The maximum frictional force, which comes into play, when a body just begins to slide over the surface of the other body, is known as
  ক

  static friction

  খ

  dynamic friction

  গ

  limiting friction

  ঘ

  coefficient of friction
• The power from the engine to the rear axle of an automobile is transmitted by means of
  ক

  worm and worm wheel

  খ

  spur gears

  গ

  bevel gears

  ঘ

  hooke’s joint