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


6. The type of pair formed by two elements which are so connected that one is constrained to turn or revolve about a fixed axis of another element is known as.......


   A.turning pair

   B.rolling pair

   C.sliding pair

   D.spherical pair

   E.lower pair


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A.turning pair

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7. Kinematic pairs are those which have two elements that.......


   A.have line contact

   B.have surface contact

   C.permit relative motion

   D.are held together

   E.have dynamic forces


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C.permit relative motion

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8. The example of speherical pair is.......


   A.bolt and nut

   B.lead screw of a lathe

   C.ball and socket joint

   D.ball bearing and roller bearing

   E.none of the above


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C.ball and socket joint

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9. If two moving elements have surface contact in motion, such pair is known as.......


   A.sliding pair

   B.rolling pair

   C.surface pair

   D.lowest pair

   E.higher pair


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E.higher pair

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10. The example of lower pair is.......


   A.shaft revolving in a bearing

   B.straight line motion mechanism

   C.automobile steering gear

   D.all of the above

   E.none of the above


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D.all of the above

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