A Best Way To Crack Gorenment Job Exams

Mechanical Engineering Objective Questions { Theory of Machines }

36. A slider crank chain consists of following numbers of turning and sliding pairs
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37. The tendency of a body to resist change from rest or motion is known as
D.Resisting force
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38. The type of coupling used to join two shafts whose axes are neither in same straight line nor parallel, but intersect is
A.Flexible coupling
B.Universal coupling
C.Chain coupling
D.Oldham's coupling
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39. The advantage of the piston valve over D-slide valve is that in the former case
A.Wear is less
B.Power absorbed is less
C.Both wear and power absorbed are low
D.The pressure developed being high provides tight sealing
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40. Flexible coupling is used becAuse
A.It is easy to disassemble
B.It is easy to engage and disengage
C.It transmits shocks gradually
D.It prevents shock transmission and eliminates stress reversals
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41. The Ackermann steering mechanism is preferred to the Davis type in automobiles because
A.The former is mathematically accurate
B.The former is having turning pair
C.The former is most economical
D.The former is most rigid
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42. Transmission of Pow4r from the engine to the rear axle of an automobile is by means of
A.Compound gears
B.Worm and wheel method
C.Hooke's joint
D.Crown gear
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