Classification of Cams MCQ

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• Cam angle is defined as the angle
  ক

  during which the follower returns to its initial position

  খ

  of rotation of the cam for a definite displacement of the follower

  গ

  through which, the cam rotates during the period in which the follower remains in the highest position

  ঘ

  moved by the cam from the instant the follower begins to rise, till it reaches its highest position
• For S.H.M. cam, the acceleration of the follower at the ends of the stroke and aimed stroke respectively, is
  ক

  maximum and zero

  খ

  zero and maximum

  গ

  minimum and maximum

  ঘ

  zero and minimum
• The cam follower generally used in aircraft engines is
  ক

  knife edge follower

  খ

  flat faced follower

  গ

  spherical faced follower

  ঘ

  roller follower
• Cylindrical cams can be classified as
  ক

  circular

  খ

  tangent

  গ

  reciprocating

  ঘ

  none of the mentioned
• Throw of a cam is the maximum distance of the follower from
  ক

  base circle

  খ

  pitch circle

  গ

  root circle

  ঘ

  prime circle
• Angle of action of cam is defined as the angle
  ক

  of rotation of the cam for a definite displacement of the follower

  খ

  through which the cam rotates during the period in which the follower remains in the highest position

  গ

  moved by the cam from the instant the follower begins to rise, till it reaches its highest position

  ঘ

  moved by the cam from beginning of ascent to the termination of descent
• The pressure angle of a cam depends upon
  ক

  offset between centre lines of cam and follower

  খ

  lift of follower

  গ

  angle of ascent

  ঘ

  all of the mentioned
• Angle of ascent of cam is defined as the angle
  ক

  during which the follower returns to its initial position

  খ

  of rotation of the cam for a definite displacement of the follower

  গ

  through which the cam rotates during the period in which the follower remains in highest position

  ঘ

  moved by the cam from the instant the follower begins to rise, till it reaches its highest position
• Cam size depends upon
  ক

  base circle

  খ

  pitch circle

  গ

  prime circle

  ঘ

  outer circle