Mechanical Engineering :: Machine Design
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A tapered key which fits in a key way in the hub and the bottom of which is shaped to fit the curved surface of the shaft, is known as hollow saddle key.
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In levers, leverage is the ratio of
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Which of the following statement is wrong?
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If a shaft made from ductile material is subjected to combined bending and twisting moment, calculations based on which one of the following failure theories will give the most conservative value?
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A.
The pitch of rivets is obtained by equating the tearing resistance of the plate to the shearing resistance of the rivets |
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B.
The pitch of rivets should not be less than 2 d, where d is the diameter of rivet hole |
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C.
The maximum value of the pitch of rivets for a longitudinal joint of a boiler, as per I.B.R., is given by Pmax = C.t + 41.28 mm |
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D.
According to I.B.R., the thickness of butt strap shall not be less than 5 mm |