Recent questions tagged md

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Which one of the following is the value of helix angle for maximum efficiency of a square threaded screw?

asked Dec 21, 2017 in md by chandu (215k points)

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The condition for the maximum efficiency for motion up and motion down the plane is

asked Dec 21, 2017 in md by chandu (215k points)

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If P is the pitch of a square theread, then the depth of thread d is given by

asked Dec 21, 2017 in md by chandu (215k points)

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A screw jack is said to be self – locking if its efficiency is

asked Dec 21, 2017 in md by chandu (215k points)

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Buttress thread is a modified square thread profile which is employed on the lead screw of

asked Dec 21, 2017 in md by chandu (215k points)

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The power requirement of the machine at the same rpm

asked Dec 21, 2017 in md by chandu (215k points)

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The following parameters are to be calculated while designing screw jack

asked Dec 21, 2017 in md by chandu (215k points)

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Which of the following screw thread is adopted for power transmission in either direction?

asked Dec 21, 2017 in md by chandu (215k points)

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The diameter of tommy bar for a screw jack is designed for

asked Dec 21, 2017 in md by chandu (215k points)

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The maximum efficiency of self locking screw is

asked Dec 21, 2017 in md by chandu (215k points)

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

asked Dec 21, 2017 in md by chandu (215k points)

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

asked Dec 21, 2017 in md by chandu (215k points)

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

asked Dec 21, 2017 in md by chandu (215k points)

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

asked Dec 21, 2017 in md by chandu (215k points)

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

asked Dec 21, 2017 in md by chandu (215k points)

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

asked Dec 21, 2017 in md by chandu (215k points)

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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

asked Dec 21, 2017 in md by chandu (215k points)

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

asked Dec 21, 2017 in md by chandu (215k points)

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The speed of the driven pulley is

asked Dec 21, 2017 in md by chandu (215k points)

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

asked Dec 21, 2017 in md by chandu (215k points)

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