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Theory of Machine

Theory of Machine
In order to double the period of a simple pendulum, the length of the string should be

Halved
Doubled
Quadrupled
None of these

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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

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

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Theory of Machine
The periodic time of a compound pendulum is __________ when the distance between the point of suspension and the center of gravity is equal to the radius of gyration of the body about its center of gravity.

Minimum
None of these
Zero
Maximum

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Theory of Machine
The motion of a shaft in a circular hole is an example of

None of these
Completely constrained motion
Successfully constrained motion
Incompletely constrained motion

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Theory of Machine
Klein's construction gives a graphic construction for

Slider-crank mechanism
Velocity polygon
Four bar chain mechanism
Acceleration polygon

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Theory of Machine
Scotch yoke mechanism is used to generate

Square roots
Logarithms
Sine functions
Inversions

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