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Theory of Machine

Theory of Machine
A shaft carrying two rotors at its ends will have

No node
Three nodes
One node
Two nodes

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Theory of Machine
Which of the following is used to control the speed variations of the engine caused by the fluctuations of the engine turning moment?

Governor
Flywheel
D-slide valve
Meyer's expansion valve

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Theory of Machine
The Klein's diagram is used when

Crank has uniform angular acceleration
Crank has nonuniform angular acceleration
Crank has uniform angular velocity
Crank has nonuniform angular velocity

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Theory of Machine
In vibration isolation system, the transmissibility will be equal to unity, for all values of damping factor, if ω/ωn is

Equal to 1
Greater than 2
Equal to 2
Less than 2

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Theory of Machine
Coriolis component acts

Somewhere in between above two
None of these
Perpendicular to sliding surfaces
Along sliding surfaces

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Theory of Machine
A simple spring-mass vibrating system has a natural frequency of fn. If the spring stiffness is halved and the mass is doubled, then the natural frequency will become

fn/2
4 fn
2 fn
8 fn

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