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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

2ECS²
2ECS
EC S/2
2E²CS

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Theory of Machine
The tractive force is maximum or minimum when the angle of inclination of crank with the line of stroke (θ) is equal to

0° and 90°
270° and 360°
90° and 180°
135° and 315°

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Theory of Machine
Throw of a cam is the maximum distance of the follower from

Root circle
Prime circle
Base circle
Pitch circle

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Theory of Machine
The type of pair formed by two elements which are so connected that one is constrained to turn or revolve about a fixed axis of another element is known as

Rolling pair
Turning pair
Sliding pair
Spherical pair

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Theory of Machine
The natural frequency of free transverse vibrations due to a point load acting over a simply supported shaft is equal to (where δ = Static deflection of a simply supported shaft due to the point load)

0.571/√δ
0.6253/√δ
0.4985/√δ
0.5615/√δ

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Theory of Machine
Tangential acceleration direction is

Opposite to angular velocity
Perpendicular to angular velocity
Along the angular velocity
May be any one of these

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