Three Phase Induction Motors When a 3-phase induction motor is at no load, the slip is ______ 0.2 0.5 Practically zero 1 0.2 0.5 Practically zero 1 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The speed of a squirrel cage induction motor is changed by Rheostatic control Cascade control Pole changing None of the listed here Rheostatic control Cascade control Pole changing None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors For higher efficiency of 3-phase induction motor, the slip should be 1 Very large Large As small as possible 1 Very large Large As small as possible ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the air gap between the rotor and stator of a 3-phase induction motor is increased, then_______ Leakage reactances are increased Leakage reactances are decreased No load current is decreased None of the listed here Leakage reactances are increased Leakage reactances are decreased No load current is decreased None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The efficiency of an induction motor can be expected to be nearly 99% 95 to 98 % 60 to 90% 80 to 90% 99% 95 to 98 % 60 to 90% 80 to 90% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In a 3 phase induction motor, the rotor speed is _____ the synchronous speed. Smaller than None of the listed here Equal to Greater than Smaller than None of the listed here Equal to Greater than ANSWER DOWNLOAD EXAMIANS APP