Machine Design When the material of key and shaft is same, and the width of key is one-fourth of the diameter of shaft (d), then length of key will be 0.8 d 1.2 d 1.57 d 1.8 d 0.8 d 1.2 d 1.57 d 1.8 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a belt drive is transmitting maximum power, Effective tension is equal to centrifugal tension Effective tension is half of centrifugal tension Driving tension on tight side is twice the centrifugal tension Driving tension on slack side is equal to centrifugal tension Effective tension is equal to centrifugal tension Effective tension is half of centrifugal tension Driving tension on tight side is twice the centrifugal tension Driving tension on slack side is equal to centrifugal tension ANSWER DOWNLOAD EXAMIANS APP
Machine Design The condition for maximum power transmission is that the maximum tension in the flat belt should be equal to (Where, Pc = tension in belt due to centrifugal force) Pc/3 1 Pc 2 Pc 3 Pc Pc/3 1 Pc 2 Pc 3 Pc ANSWER DOWNLOAD EXAMIANS APP
Machine Design A fast and loose pulley drive is used when Shafts are arranged at right angles and rotate in one definite direction Shafts are arranged parallel and rotate in the opposite directions Shafts are arranged parallel and rotate in the same directions Driven shaft is to be started or stopped whenever desired without interfering with the driving shaft Shafts are arranged at right angles and rotate in one definite direction Shafts are arranged parallel and rotate in the opposite directions Shafts are arranged parallel and rotate in the same directions Driven shaft is to be started or stopped whenever desired without interfering with the driving shaft ANSWER DOWNLOAD EXAMIANS APP
Machine Design A universal coupling is used to connect two shafts Have lateral misalignment Whose axes intersect at a small angle Which are perfectly aligned Which are not in exact alignment Have lateral misalignment Whose axes intersect at a small angle Which are perfectly aligned Which are not in exact alignment ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw is said to be a self locking screw, if its efficiency is More than 50% None of these Equal to 50% Less than 50% More than 50% None of these Equal to 50% Less than 50% ANSWER DOWNLOAD EXAMIANS APP
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