How should the equilibrium speed vary with the increase of radius of rotation of the governor balls for stability?

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For a more sensitive governor, the change in angle between OA and the x axis with change in radius of rotation should be? (the x – axis represents radius of rotation and the y axis represents the controlling force.)

asked Sep 23, 2022 in Machine Dynamics by Grayson (34.3k points)

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It is possible that the equilibrium speed of the governor decreases with an increase of the radius of rotation of balls.

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What should be the stability condition for the angle made by OA and the x axis? (the x – axis represents radius of rotation and the y axis represents the controlling force.)

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For a stable governor, if the equilibrium speed increases, the radius of governor balls must also increase.

asked Sep 23, 2022 in Machine Dynamics by Grayson (34.3k points)

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The graph plotted between the controlling force of the governor and Radius of rotation is known as _______

asked Sep 23, 2022 in Machine Dynamics by Grayson (34.3k points)

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In the given figure if the angle between OA and x-axis is made 90 degrees, the rotation speed will become 0. (the x – axis represents radius of rotation and the y axis represents the controlling force.)

asked Sep 23, 2022 in Machine Dynamics by Grayson (34.3k points)

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In a governor, if the equilibrium speed is constant for all radii of rotation of balls, the governor is said to be

asked Sep 22, 2022 in Machine Dynamics by Grayson (34.3k points)

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For a porter governor, Each arm has a length of 250mm and pivoted on the axis of rotation. Sleeves carry a mass of 25kg and each ball’s mass is 5Kg. Radius of rotation: 150mm at the beginning of lift and 200mm at the maximum speed of governor. Find range in speed neglecting friction in rpm.

asked Sep 23, 2022 in Machine Dynamics by Grayson (34.3k points)

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In the given figure, the x – axis represents radius of rotation and the y axis represents the controlling force. This graph is known as _________

asked Sep 23, 2022 in Machine Dynamics by Grayson (34.3k points)

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In the given figure, the straight line OA represents _________ (the x – axis represents radius of rotation and the y axis represents the controlling force.)

asked Sep 22, 2022 in Machine Dynamics by Grayson (34.3k points)

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A governor is said to be isochronous when range of speed is zero for all radii of rotation of the balls within the working range, neglecting friction.

asked Sep 22, 2022 in Machine Dynamics by Grayson (34.3k points)

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Let r represent the radius of rotation, then for stability of a spring controlled governor, which of the following relation regarding controlling force is true? (a, b are constants)

asked Sep 22, 2022 in Machine Dynamics by Grayson (34.3k points)

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Controlling force is provided by spring and weight in the porter governor.

asked Sep 23, 2022 in Machine Dynamics by Grayson (34.3k points)

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A Porter governor has equal arms each of length 250 mm and pivoted on the axis of rotation. Each ball has a mass of 5 kg and the central load has a mass on the sleeve of 25 kg. The radius of rotation of the ball is 150 mm when the governor begins to lift and 200 mm when the governor is at maximum speed. Considering friction at the sleeve of 10N, find the power of the governor in N-m

asked Sep 23, 2022 in Machine Dynamics by Grayson (34.3k points)

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A Porter governor has equal arms each of length 250 mm and pivoted on the axis of rotation. Each ball has a mass of 5 kg and the central load has a mass on the sleeve of 25 kg. The radius of rotation of the ball is 150 mm when the governor begins to lift and 200 mm when the governor is at maximum speed. Neglecting friction at the sleeve, find the governor effort.

asked Sep 22, 2022 in Machine Dynamics by Grayson (34.3k points)

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A Porter governor has equal arms each of length 250 mm and pivoted on the axis of rotation. Each ball has a mass of 5 kg and the central load has a mass on the sleeve of 25 kg. The radius of rotation of the ball is 150 mm when the governor begins to lift and 200 mm when the governor is at maximum speed. Neglecting friction at the sleeve, find the sleeve lift.

asked Sep 22, 2022 in Machine Dynamics by Grayson (34.3k points)

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A Porter governor has equal arms each of length 250 mm and pivoted on the axis of rotation. Each ball has a mass of 5 kg and the central load has a mass on the sleeve of 25 kg. The radius of rotation of the ball is 150 mm when the governor begins to lift and 200 mm when the governor is at maximum speed. Considering friction at the sleeve of 10N, find the governor effort.

asked Sep 22, 2022 in Machine Dynamics by Grayson (34.3k points)

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A Porter governor has equal arms each of length 250 mm and pivoted on the axis of rotation. Each ball has a mass of 5 kg and the central load has a mass on the sleeve of 25 kg. The radius of rotation of the ball is 150 mm when the governor begins to lift and 200 mm when the governor is at maximum speed. Considering friction at the sleeve of 10N, find the range of speed in rpm.

asked Sep 22, 2022 in Machine Dynamics by Grayson (34.3k points)

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A Porter governor has equal arms each of length 250 mm and pivoted on the axis of rotation. Each ball has a mass of 5 kg and the central load has a mass on the sleeve of 25 kg. The radius of rotation of the ball is 150 mm when the governor begins to lift and 200 mm when the governor is at maximum speed. Neglecting friction at the sleeve, find the power of the governor in N-m.

asked Sep 22, 2022 in Machine Dynamics by Grayson (34.3k points)

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When the relation between the controlling force (Fc) and radius of rotation (r) for a spring controlled governor is Fc = ar + b, then the governor will be

asked Sep 23, 2022 in Machine Dynamics by Grayson (34.3k points)

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Let r represent the radius of rotation, then for an isochronous spring controlled governor, which of the following relation regarding controlling force is true? (a,b are constants)

asked Sep 23, 2022 in Machine Dynamics by Grayson (34.3k points)

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The relation between the controlling force (Fc) and radius of rotation (r) for a stable spring controlled governor is

asked Sep 23, 2022 in Machine Dynamics by Grayson (34.3k points)

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In the given figure x axis is the radius of rotation and y axis is the controlling force, identify the correct option. (For a spring controlled governor)

asked Sep 22, 2022 in Machine Dynamics by Grayson (34.3k points)

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Let r represent the radius of rotation, then for an unstable spring controlled governor, which of the following relation regarding controlling force is true? (a,b are constants)

asked Sep 22, 2022 in Machine Dynamics by Grayson (34.3k points)

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