Mechanical Engineering :: Machine Design
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Antifriction bearings are
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Stress concentration factor is defined as the ratio of
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The property of a bearing material which has the ability to accomodate shaft deflections and bearing inaccuracies by plastic deformation without excessive wear and heating, is known as
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In the levers of __________ type, the mechanical advantage is less than one.
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A hollow saddle key is
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A.
a taper key which fits half in the key way of hub and half in the key way of shaft |
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B.
a taper key which fits in a key way of the hub and is flat on the shaft |
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C.
a taper key which fits in a key way of the hub and the bottom of the key is shaped to fit the curved surface of the shaft |
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D.
provided in pairs at right angles and each key is to withstand torsion in one direction only |