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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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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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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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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