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 A four speed squirrel cage induction motor uses______ stator windings. Three Four Two One Three Four Two One ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The maximum torque of a 3-phase induction motor under running conditions is inversely proportional to rotor reactance at standstill None of the listed here Directly proportional to rotor resistance Inveresly proportional to supply voltage inversely proportional to rotor reactance at standstill None of the listed here Directly proportional to rotor resistance Inveresly proportional to supply voltage ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The speed of a squirrel cage induction motor is changed by None of the listed here Pole changing Cascade control Rheostatic control None of the listed here Pole changing Cascade control Rheostatic control ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If an induction motor is running at slip S, then rotor output is ______ (1+S) × rotor input S × rotor input (S-1) × rotor input (1-S) × rotor input (1+S) × rotor input S × rotor input (S-1) × rotor input (1-S) × rotor input ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Friction and windage loss of a 3 phase induction motor are Minimum at no load Maximum at no load Remains the same at all loads None of the listed here Minimum at no load Maximum at no load Remains the same at all loads None of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS