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Theory of Machine

Theory of Machine
Carnot cycle is

a quasi static cycle
a semi-reversible cycle
a reversible cycle
an irreversible cycle

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Theory of Machine
A spring controlled governor is said to be stable if the controlling force line when produced intersects the Y-axis

Below the origin
At the origin
Any one of these
Above the origin

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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

Magnification factor
Logarithmic decrement
Damping factor
Critical damping ratio

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Theory of Machine
Which of the following mechanism is an approximate straight line motion mechanism?

Watt's mechanism
Grasshopper mechanism
Robert's mechanism
All of these

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Theory of Machine
Which of the below are inversions of slider crank mechanism?
1. Oscillating cylinder engine mechanism
2. Toggle mechanism
3. Radial cylinder engine mechanism
4. Quick return mechanism

2, 3 and 4
1, 2 and 4
1, 2 and 3
1, 3 and 4

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Theory of Machine
The frequency of damped vibrations with viscous damping is ________ the frequency of undamped vibrations.

More than
Less than
Same as
None of these

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