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

21. A utomobile steering gear is an example of.......

   A.higher pair

   B.slidingpair

   C.turning pair

   D.rotary pair

   E.lower pair

22. In higher pair, the relative motion is.......

   A.purely turning

   B.purely sliding

   C.purely rotary

   D.purely surface contact

   E.combination of sliding and turning

23. The example of higher pair is.......

   A.belt, rope and chain drives

   B.gears, cams

   C.ball and roller bearings

   D.all of the above

   E.none of the above

24. Which of the following mechanism is obtained from lower pair.......

   A.gyroscope

   B.pantograph

   C.valve and valve gears

   D.generated straight line motions

   E.all of the above

25. The Scott-Russell mechanism consists of .......

   A.sliding and running pairs

   B.sliding and rotary pairs

   C.turning and rotary pairs

   D.sliding pairs only

   E.turning pairs only

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