Theory of Machine | Theory of Machine Objective Type Questions and answers


16. Kinematic pairs are those whicl. have.......


   A.two elements held together mechanically

   B.two elements having relative motion

   C.two elements having coroili's cornponent

   D.minimum of two instantaneous centres

   E.all of the above


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B.two elements having relative motion

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17. Rectilinear motion of piston is converted into rotary by.......


   A.cross head

   B.slider crank

   C.connecting rod

   D.gudgeon pin

   E.four bar chain mechanism


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E.four bar chain mechanism

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18. Pulley in a belt drive acts as.......


   A.cylindrical pair

   B.turning pair

   C.rolling pair

   D.sliding pair

   E.surface pair


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C.rolling pair

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19. The example of rolling pair is.......


   A.bolt and nut

   B.lead screw of a lathe

   C.ball and socket joint

   D.ball bearing and roller bearing

   E.all of the above


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D.ball bearing and roller bearing

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20. A universal joint in an example of .......


   A.higher pair

   B.lower pair

   C.rolling pair

   D.sliding pair

   E.turning pair


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B.lower pair

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