The factor which affects the critical speed of a shaft is

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

Diameter of disc

Span of shaft

All of the listed here

Eccentricity

Diameter of disc

Span of shaft

All of the listed here

Eccentricity

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Theory of Machine
Which of the following property of the instantaneous center is correct?

A rigid link rotates instantaneously relative to another link at the instantaneous centre for the configuration of the mechanism considered.

All of these

The velocity of the instantaneous centre relative to any third rigid link is same whether the instantaneous centre is regarded as a point on the first rigid link or on the second rigid link.

The two rigid links have no linear velocity relative to each other at the instantaneous centre.

A rigid link rotates instantaneously relative to another link at the instantaneous centre for the configuration of the mechanism considered.

All of these

The velocity of the instantaneous centre relative to any third rigid link is same whether the instantaneous centre is regarded as a point on the first rigid link or on the second rigid link.

The two rigid links have no linear velocity relative to each other at the instantaneous centre.

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Theory of Machine
When the sleeve of a Porter governor moves downwards, the governor speed

Remain unaffected

Decreases

First increases and then decreases

Increases

Remain unaffected

Decreases

First increases and then decreases

Increases

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Theory of Machine
In a coupling rod of a locomotive, each of the four pairs is a ________ pair.

Screw

Sliding

Turning

Rolling

Screw

Sliding

Turning

Rolling

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Theory of Machine
A governor is said to be stable, if the

Radius of rotation of balls increases as the equilibrium speed increases

Radius of rotation of balls decreases as the equilibrium speed decreases

Radius of rotation of balls increases as the equilibrium speed decreases

Radius of rotation of balls decreases as the equilibrium speed increases

Radius of rotation of balls increases as the equilibrium speed increases

Radius of rotation of balls decreases as the equilibrium speed decreases

Radius of rotation of balls increases as the equilibrium speed decreases

Radius of rotation of balls decreases as the equilibrium speed increases

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Theory of Machine
The effort of a Porter governor is equal to (where c = Percentage increase in speed, m = Mass of ball, and M = Mass on the sleeve)

c (m + M) g

c (m - M) g

c/(m + M) g

c/(m - M) g

c (m + M) g

c (m - M) g

c/(m + M) g

c/(m - M) g

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Theory of Machine

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

Theory of Machine Which of the following property of the instantaneous center is correct?

Theory of Machine When the sleeve of a Porter governor moves downwards, the governor speed

Theory of Machine In a coupling rod of a locomotive, each of the four pairs is a ________ pair.

Theory of Machine A governor is said to be stable, if the

Theory of Machine The effort of a Porter governor is equal to (where c = Percentage increase in speed, m = Mass of ball, and M = Mass on the sleeve)

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

Theory of Machine
Which of the following property of the instantaneous center is correct?

Theory of Machine
When the sleeve of a Porter governor moves downwards, the governor speed

Theory of Machine
In a coupling rod of a locomotive, each of the four pairs is a ________ pair.

Theory of Machine
A governor is said to be stable, if the

Theory of Machine
The effort of a Porter governor is equal to (where c = Percentage increase in speed, m = Mass of ball, and M = Mass on the sleeve)