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Theory of Machine

Theory of Machine
With usual notations for different parameters involved, the maximum fluctuations of energy for a flywheel is given by

2ECS
EC S/2
2E²CS
2ECS²

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Theory of Machine
If ‘D₁’ and ‘D₂’ be the diameters of driver and driven pulleys, then belt speed is proportional to

D₁.D₂
D₂/D₁
D₁/D₂
D₁

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Theory of Machine
Scotch yoke mechanism is used to generate

Sine functions
Inversions
Square roots
Logarithms

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Theory of Machine
The frictional torque transmitted in a conical pivot bearing, considering uniform wear, is

(3/4) μ W R cosecα
μ W R cosecα
(1/2) μ W R cosecα
(2/3) μ W R cosecα

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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 minimum length of the coupler will be

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

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Theory of Machine
A circle passing through the pitch point with its center at the center of cam axis is known as

Prime circle
Pitch circle
Outer circle
Base circle

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