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Theory of Machine

Theory of Machine
Rectilinear motion of piston is converted into rotary by

Gudgeon pin
Cross head
Slider crank
Connecting rod

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Theory of Machine
In a turning moment diagram, the variations of energy above and below the mean resisting torque line is called

Fluctuation of energy
None of the listed here
Coefficient of fluctuation of energy
Maximum fluctuation of energy

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Theory of Machine
The rotating shafts tend to vibrate violently at whirling speeds because

The shafts are rotating at very high speeds
The system is unbalanced
Resonance is caused due to the heavy mass of the rotor
Bearing centre line coincides with the axis

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Theory of Machine
The Coriolis component of acceleration leads the sliding velocity by

90°
45°
135°
180°

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Theory of Machine
The Bifilar suspension method is used to determine

Centripetal acceleration
Natural frequency of vibration
Position of balancing weights
Moment of inertia

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

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

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