Mechanical Engineering :: Machine Design
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The pressure angle of a cam is the angle between the direction of the follower motion and a normal to the pitch curve.
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A fast and loose pulley drive is used when
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Which of the following screw thread is adopted for power transmission in either direction?
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In the assembly of pulley, key and shaftpulley is made the weakest
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According to I.B.R., the thickness of the boiler shell should not be less than
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A.
shafts are arranged parallel and rotate in the opposite directions |
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B.
shafts are arranged parallel and rotate in the same directions |
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C.
shafts are arranged at right angles and rotate in one definite direction |
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D.
driven shaft is to be started or stopped whenever desired without interferring with the driving shaft |