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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

EC S/2
2ECS²
2E²CS
2ECS

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Theory of Machine
The cam and follower is an example of

Rolling pair
Higher pair
Sliding pair
Lower pair

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Theory of Machine
One end of a helical spring is fixed while the other end carries the load W which moves with simple harmonic motion. The frequency of motion is given by (where δ = Deflection of the spring)

1/2π. √(δ/g)
2π. √(δ/g)
2π. √(g/δ)
1/2π. √(g/δ)

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Theory of Machine
A combination of kinematic pairs, joined in such a way that the relative motion between the links is completely constrained, is called a

Inversion
Structure
Mechanism
Kinematic chain

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Theory of Machine
In a spring controlled governor, when the controlling force ____ as the radius of rotation increases, it is said to be a stable governor.

Increases
None of the listed here
Remains constant
Decreases

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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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