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The value of the average shearing stress of the screw is given by

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The friction torque for square thread at mean radius while raising load is given by

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To ensure self – locking in a screw jack it is essential that helix angle is

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The load cup of a screw jack is made separate from the head of the spindle to

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While designing a screw in a screw jack against buckling failure, the end conditions for the screw are taken as

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What is the torque – transmitting capacity of the bolts to the nearest 10units?

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The linear speed of the belt in a belt drive is controlled by the tensile strength of the materials of the driven pulley

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In chain drives, angle of articulation through which link rotates during engagement and disengagement

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The speed of the driven pulley is

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The centre distance between the pulleys for an open belt drive is

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The use of straight or curved external gear teeth in mesh

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The shear stress developed in the cotter is

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The maximum permissible speed of the belt is given by

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Which of the following statements are correct regarding power transmission through V-belts?

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In short open – belt drives

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The velocity of the belt for maximum power transmission is given by:

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Generally, for larger size pulleys, curved arms are used

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Creep of belt can be controlled by

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The velocity of the belt for maximum power transmission is

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A cotter joint is capable of transmitting

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