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Theory of Machine

Theory of Machine
In an ideal machine, the output as compared to input is

May be less or more depending on efficiency
Equal
More
Less

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Theory of Machine
Carnot cycle is

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

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Theory of Machine
Minimum number of teeth for involute rack and pinion arrangement for pressure angle of 20° is

34
10
20
30

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Theory of Machine
Which of the following mechanism is obtained from lower pair?

Valve and valve gears
Pantograph
Gyroscope
All of these

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Theory of Machine
If ω/ωn is very high for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach

360°
180°
90°
0°

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Theory of Machine
A completely constrained motion can be transmitted with.

1 link with pin joints
4 links with pin joints
3 links with pin joints
2 links with pin joints

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