Three Phase Induction Motors The maximum torque of a 3-phase induction motor under running conditions is Inveresly proportional to supply voltage inversely proportional to rotor reactance at standstill Directly proportional to rotor resistance None of the listed here Inveresly proportional to supply voltage inversely proportional to rotor reactance at standstill Directly proportional to rotor resistance None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of a 3-phase induction motor is _______ supply voltage. Independent of None of the listed here Directly proportional to Directly proportional to sqaure of Independent of None of the listed here Directly proportional to Directly proportional to sqaure of ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A high starting torque can be obtained in a 3phase induction motor by _______ Increasing rotor resistance None of the listed here Increasing rotor reactance Decreasing rotor resistance Increasing rotor resistance None of the listed here Increasing rotor reactance Decreasing rotor resistance ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The speed of a squirrel-cage induction motor can be controlled by all of the following except Reducing supply voltage Changing supply frequency Changing winding resistance Changing number of poles Reducing supply voltage Changing supply frequency Changing winding resistance Changing number of poles ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors At no load the rotor core loss of a 3 phase induction motor is Practically zero Large None of the listed here Small Practically zero Large None of the listed here Small ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the rotor slots are made deeper, rotor resistance is ______ None of the listed here Increased at starting Increased under running conditions Decreased at starting None of the listed here Increased at starting Increased under running conditions Decreased at starting ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS