Machine Design Screws used for power transmission should have Strong teeth Very fine threads Low efficiency High efficiency Strong teeth Very fine threads Low efficiency High efficiency ANSWER DOWNLOAD EXAMIANS APP
Machine Design The steel pulleys are __________ in weight than cast iron pulleys of the same capacity. Lighter Moderate None of these Heavier Lighter Moderate None of these Heavier ANSWER DOWNLOAD EXAMIANS APP
Machine Design In an oil lubricated journal bearing, the coefficient of friction between the journal and the bearing Becomes minimum at an optimum speed and then increases with further increase in speed Remains constant at all speeds Is minimum at zero speed and increases monotonically with increase in speed Is maximum at zero speed and decreases monotonically with increase in speed Becomes minimum at an optimum speed and then increases with further increase in speed Remains constant at all speeds Is minimum at zero speed and increases monotonically with increase in speed Is maximum at zero speed and decreases monotonically with increase in speed ANSWER DOWNLOAD EXAMIANS APP
Machine Design Creep in belt is due to All of these Material of the belt Material of the pulley Uneven extensions and contractions due to varying tension All of these Material of the belt Material of the pulley Uneven extensions and contractions due to varying tension ANSWER DOWNLOAD EXAMIANS APP
Machine Design The usual proportion for the width of key is (where d = Diameter of shaft or diameter of hole in the hub) d/4 d/8 d/6 d/2 d/4 d/8 d/6 d/2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The groove angle of the pulley for rope drive is usually 60° 20° 35° 45° 60° 20° 35° 45° ANSWER DOWNLOAD EXAMIANS APP
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