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Theory of Machine

Theory of Machine
The velocity of the belt for maximum power is (where m = Mass of the belt in kg per meter length)

√(3m/T)
(T.g)/3
√(T/3m)
T/3

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Theory of Machine
The example of lower pair is

All of these
Straight line motion mechanisms
Automobile steering gear
Shaft revolving in a bearing

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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)

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

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Theory of Machine
The sensitiveness of the governor _____ as the speed range decreases.

Increases
None of the listed here
Remains unaffected
Decreases

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Theory of Machine
In a system subjected to damped forced vibrations, the ratio of maximum displacement to the static deflection is known as

Logarithmic decrement
Magnification factor
Damping factor
Critical damping ratio

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Theory of Machine
The acceleration of a particle at any instant has two components i.e. radial component and tangential component. These two components will be

Perpendicular to each other
Parallel to each other
Opposite to each other
Inclined at 45°

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