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Theory of Machine

Theory of Machine
Carnot cycle is

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

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Theory of Machine
At the nodal point in a shaft, the amplitude for torsional vibration will be

Maximum
Minimum
Zero
Infinity

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Theory of Machine
In Meyer's expansion valve, the main valve is driven by an eccentric having an angle of advance from

25°-30°
15°-25°
30°-40°
10°-15°

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Theory of Machine
The pressure angle of a cam depends upon

All of these
Lift of follower
Offset between center lines of cam and follower
Angle of ascent

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Theory of Machine
In a screw jack, the effort required to lower the load W is given by

P = W cos(α + φ)
P = W tan(α + φ)
P = W tan(φ - α)
P = W tan(α - φ)

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Theory of Machine
An eccentric sheave pivoted at one point rotates and transmits oscillatory motion to a link whose one end is pivoted and other end is connected to it. This mechanism has

3 links
2 links
4 links
5 links

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