Three Phase Induction Motors One of the speeds of a 2 speed squirrel cage induction motor is 800 rpm. The other speed will be _____ 2400 rpm 1200 rpm 400 rpm 1600 rpm 2400 rpm 1200 rpm 400 rpm 1600 rpm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The term cogging is associated with Induction motors Three phase transformer Dc series motors Compound generators Induction motors Three phase transformer Dc series motors Compound generators 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 Directly proportional to sqaure of None of the listed here Independent of Directly proportional to Directly proportional to sqaure of None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the air gap between the rotor and stator of a 3-phase induction motor is increased, then_______ None of the listed here No load current is decreased Leakage reactances are decreased Leakage reactances are increased None of the listed here No load current is decreased Leakage reactances are decreased Leakage reactances are increased 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 % 5% 10 to 15% 30 to 50% 15 to 20 % 5% 10 to 15% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The efficiency of an induction motor can be expected to be nearly 60 to 90% 99% 80 to 90% 95 to 98 % 60 to 90% 99% 80 to 90% 95 to 98 % ANSWER DOWNLOAD EXAMIANS APP
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