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Theory of Machine

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

Infinity
Zero
Maximum
Minimum

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Theory of Machine
The factor which affects the critical speed of a shaft is

All of the listed here
Eccentricity
Diameter of disc
Span of shaft

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Theory of Machine
A spring controlled governor is found unstable. It can be made stable by

Decreasing the spring stiffness
Decreasing the ball mass
Increasing the spring stiffness
Increasing the ball mass

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Theory of Machine
For two governors A and B, the lift of sleeve of governor A is more than that of governor B, for a given fractional change in speed. It indicates that

Both governors A and B are equally sensitive
Governor B is more sensitive than governor A
Governor A is more sensitive than governor B
None of these

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Theory of Machine
Carnot cycle is

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

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Theory of Machine
In a reciprocating engine, usually __________ of the reciprocating masses are balanced.

Two-third
Whole
One-half
Three-fourth

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MORE MCQ ON Theory of Machine

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