Three Phase Induction Motors The condition of induction motor at stand still resemble those of a transformer whose secondady is _______ Open circuited None of the listed here Short circuited Supplying a variable resistive load Open circuited None of the listed here Short circuited Supplying a variable resistive load ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors When the rotor of a 3-phase induction motor is blocked, the slip is _____ 0.5 0.1 1 0 0.5 0.1 1 0 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The magnetising current drawn by a 3 phase induction motor is about _______ of full load stator current. 30 to 50% 15 to 20 % 10 to 15% 5% 30 to 50% 15 to 20 % 10 to 15% 5% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of a 3-phase induction motor is _______ supply voltage. Independent of Directly proportional to sqaure of Directly proportional to None of the listed here Independent of Directly proportional to sqaure of Directly proportional to None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Less maintenance troubles are experienced in terms of Squirrel cage induction motor Both squirrel cage and slip ring None of the listed here Slip ring induction motor Squirrel cage induction motor Both squirrel cage and slip ring None of the listed here Slip ring induction motor ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the frequency of 3-phase supply to the stator of a 3-phase induction motor is increased, then synchronous speed ______ Is decreased Remains unchanged Is increased None of the listed here Is decreased Remains unchanged Is increased None of the listed here ANSWER DOWNLOAD EXAMIANS APP