Three Phase Induction Motors The term cogging is associated with Compound generators Induction motors Three phase transformer Dc series motors Compound generators Induction motors Three phase transformer Dc series motors ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Less maintenance troubles are experienced in case of Squirrel cage induction motor Slip ring induction motor Both (A) and (B) None of these Squirrel cage induction motor Slip ring induction motor Both (A) and (B) None of these 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 ______ None of the listed here Remains unchanged Is decreased Is increased None of the listed here Remains unchanged Is decreased Is 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. 5% 10 to 15% 30 to 50% 15 to 20 % 5% 10 to 15% 30 to 50% 15 to 20 % ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If a 3 phase induction motor is running at a slip S, then approximate efficiency of the motor is ______ 1-S 1+S None of the listed here S-1 1-S 1+S None of the listed here S-1 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The rotor of an induction motor runs at Below synchronous speed Synchronous speed Above synchronous speed Any of the above Below synchronous speed Synchronous speed Above synchronous speed Any of the above ANSWER DOWNLOAD EXAMIANS APP