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

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

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

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

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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