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

11. Kinematic pairs are those which have.......

   A.point or line contact between the two elements when in motion

   B.surface contact between the two elements when in motion

   C.elements of pairs not held together mechanically

   D.two elements that permit relative motion

   E.none of the above

12. A kinematic chain requires at least.......

   A.2 links and 3 turning pairs

   B.3 links and 4 turning pairs

   C.4 links and 4 turning pairs

   D.5 links and 4 turning pairs

   E.none of the above

13. A cam with a roller follower would constitute following type of pair.......

   A.lower pair

   B.higer pair

   C.open pair

   D.close pair

   E.cam pair

14. Open pairs are those which have.......

   A.point or line contact between the two elements when in motion

   B.surface contact between the two elements when in motion

   C.elements of paires not held together mechanically

   D.two elements that permit relative motion

   E.none of the above

15. The main disad vantage of the sliding pair is that it is.......

   A.bulky

   B.wears rapidly

   C.difficult to manufacture

   D.(a) and (b) above

   E.(a) and (c) above

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