The coefficient of fluctuation of speed is __________ of maximum fluctuation of speed and the mean speed.

Theory of Machine
The coefficient of fluctuation of speed is __________ of maximum fluctuation of speed and the mean speed.

Sum

Ratio

Product

Difference

Sum

Ratio

Product

Difference

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Theory of Machine
The ratio of height of Porter governor (when length of arms and links are equal) to the height of Watt's governor is (where m = Mass of the ball, and M = Mass on the sleeve)

m/(m + M)

M/(m + M)

(m + M)/m

(m + M)/M

m/(m + M)

M/(m + M)

(m + M)/m

(m + M)/M

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

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

All of these

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

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.

All of these

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

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.

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Theory of Machine
Angle of dwell of cam is defined as the angle

During which the follower returns to its initial position

Moved by the cam from the instant the follower begins to rise, till it reaches its highest position

Through which the cam rotates during the period in which the follower remains in the highest position

Of rotation of the cam for definite displacement of the follower

During which the follower returns to its initial position

Moved by the cam from the instant the follower begins to rise, till it reaches its highest position

Through which the cam rotates during the period in which the follower remains in the highest position

Of rotation of the cam for definite displacement of the follower

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Theory of Machine
A disc is a spinning with an angular velocity ω rad/s about the axis of spin. The couple applied to the disc causing precession will be (where I = Mass moment of inertia of the disc, and ωP = Angular velocity of precession of the axis of spin)

I ω ωP

Iω²

(1/2).Iω²

(1/2). I ω ωP

I ω ωP

Iω²

(1/2).Iω²

(1/2). I ω ωP

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Theory of Machine
When a shaking force is transmitted through the springs, damping becomes detrimental when the ratio of its frequency to the natural frequency is greater than

0.25

1

2

0.5

0.25

1

2

0.5

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Theory of Machine

Theory of Machine The coefficient of fluctuation of speed is __________ of maximum fluctuation of speed and the mean speed.

Theory of Machine The ratio of height of Porter governor (when length of arms and links are equal) to the height of Watt's governor is (where m = Mass of the ball, and M = Mass on the sleeve)

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

Theory of Machine Angle of dwell of cam is defined as the angle

Theory of Machine A disc is a spinning with an angular velocity ω rad/s about the axis of spin. The couple applied to the disc causing precession will be (where I = Mass moment of inertia of the disc, and ωP = Angular velocity of precession of the axis of spin)

Theory of Machine When a shaking force is transmitted through the springs, damping becomes detrimental when the ratio of its frequency to the natural frequency is greater than

Theory of Machine
The coefficient of fluctuation of speed is __________ of maximum fluctuation of speed and the mean speed.

Theory of Machine
The ratio of height of Porter governor (when length of arms and links are equal) to the height of Watt's governor is (where m = Mass of the ball, and M = Mass on the sleeve)

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

Theory of Machine
Angle of dwell of cam is defined as the angle

Theory of Machine
A disc is a spinning with an angular velocity ω rad/s about the axis of spin. The couple applied to the disc causing precession will be (where I = Mass moment of inertia of the disc, and ωP = Angular velocity of precession of the axis of spin)

Theory of Machine
When a shaking force is transmitted through the springs, damping becomes detrimental when the ratio of its frequency to the natural frequency is greater than