Simple Mechanisms MCQ

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• In a four bar chain or quadric cycle chain
  ক

  each of the four pairs is a turning pair

  খ

  one is a turning pair and three are sliding pairs

  গ

  three are turning pairs and one is sliding pair

  ঘ

  each of the four pairs is a sliding pair.
• The mechanism forms a structure, when the number of degrees of freedom (n) is equal to
  ক

  0

  খ

  1

  গ

  2

  ঘ

  – 1
• A kinematic chain is known as a mechanism when
  ক

  none of the links is fixed

  খ

  one of the links is fixed

  গ

  two of the links are fixed

  ঘ

  all of the links are fixed
• In a kinematic chain, a quaternary joint is equivalent to
  ক

  one binary joint

  খ

  two binary joints

  গ

  three binary joints

  ঘ

  four binary joints
• A combination of kinematic pairs, joined in such a way that the relative motion between the links is completely constrained, is called a
  ক

  structure

  খ

  mechanism

  গ

  kinematic chain

  ঘ

  inversion
• The lead screw of a lathe with nut forms a
  ক

  sliding pair

  খ

  rolling pair

  গ

  screw pair

  ঘ

  turning pair