Three Phase Induction Motors The no load speed of an induction motor depends on The number of its poles Both supply frequency and number of poles The maximum flux/poles The supply frequency The number of its poles Both supply frequency and number of poles The maximum flux/poles The supply frequency ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors When a 3-phase induction motor is at no load, the slip is ______ 1 0.5 0.2 Practically zero 1 0.5 0.2 Practically zero ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The stator of a three phase induction motor produces _______ magnetic field. Rotating Alternating None of the listed here Steady Rotating Alternating None of the listed here Steady ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The good power factor of an induction motor can be achieved if the average flux density in the air gap is Small Absent Large Infinity Small Absent Large Infinity 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-1) × rotor input S × rotor input (1+S) × rotor input (1-S) × rotor input (S-1) × rotor input S × rotor input (1+S) × rotor input ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The direction of rotation of field in a 3 phase induction motor depends upon _____ Magnitude of supply voltage Phase sequence of supply voltage Number of poles Supply frequency Magnitude of supply voltage Phase sequence of supply voltage Number of poles Supply frequency ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS