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Theory of Machine

Theory of Machine
If two moving elements have surface contact in motion, such pair is known as

Surface pair
Rolling pair
Sliding pair
Higher pair

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Theory of Machine
If the controlling force line for a spring controlled governor when produced intersects the Y-axis at the origin, then the governor is said to be

Stable
Unstable
Isochronous
None of the listed here

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Theory of Machine
Governor is used in automobile to

Maintain constant engine speed
Limit the vehicle speed
Decrease the variation of speed
Maximize the fuel economy

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Theory of Machine
The type of coupling used to join two shafts whose axes are neither in same straight line nor parallel, but intersect is

Oldham's coupling
Chain coupling
Universal coupling
Flexible coupling

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Theory of Machine
In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The distance between fixed pivots of crank and followers is

95 mm
Slightly less than 95 mm
Slightly more than 95 mm
45 mm

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Theory of Machine
The coefficient of fluctuation of speed is __________ of maximum fluctuation of speed and the mean speed.

Product
Sum
Difference
Ratio

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MORE MCQ ON Theory of Machine

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