Three Phase Induction Motors The starting torque of a 3-phase induction motor is _______ supply voltage. Directly proportional to Independent of Directly proportional to sqaure of None of the listed here Directly proportional to Independent of Directly proportional to sqaure of None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of an induction motor is maximum when rotor resistance per phase is _____ rotor reactance / phase. Two times None of the listed here Four times Equal to Two times None of the listed here Four times Equal to ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The torque developed by a 3 phase induction motor least depends on Rotor power factor Rotor current Shaft diameter Rotor emf Rotor power factor Rotor current Shaft diameter Rotor emf ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The advantage of wound rotor motor is that _______ It requires less maintenance It is inexpensive External resistance can be inserted in the rotor circuit None of the listed here It requires less maintenance It is inexpensive External resistance can be inserted in the rotor circuit None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of a squirrel cage induction motor is Slightly more than full load torque Low Same as full load torque Negligible Slightly more than full load torque Low Same as full load torque Negligible ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The efficiency of an induction motor can be expected to be nearly 60 to 90% 95 to 98 % 80 to 90% 99% 60 to 90% 95 to 98 % 80 to 90% 99% ANSWER DOWNLOAD EXAMIANS APP