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Theory of Machine

Theory of Machine
A slider crank chain consists of following numbers of turning and sliding pairs

4, 0
1, 3
2, 2
3, 1

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Theory of Machine
The power from the engine to the rear axle of an automobile is transmitted by means of

Bevel gears
Hooke's joint
Worm and worm wheel
Spur gears

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Theory of Machine
In a four stroke I.C. engine, the turning moment during the compression stroke is

Negative throughout
Positive during major portion of the stroke
Positive throughout
Negative during major portion of the stroke

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Theory of Machine
The effort of a Porter governor is equal to (where c = Percentage increase in speed, m = Mass of ball, and M = Mass on the sleeve)

c (m - M) g
c/(m + M) g
c (m + M) g
c/(m - M) g

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Theory of Machine
The sense of Coriolis component is such that it

Is along the sliding velocity vector
Leads the sliding velocity vector by 90°
Leads the sliding velocity vector by 180°
Lags the sliding velocity vector by 90°

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Theory of Machine
Which gear is used for connecting two coplanar and intersecting shafts?

Bevel gear
None of these
Spur gear
Helical gear

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MORE MCQ ON Theory of Machine

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