Three Phase Induction Motors The efficiency of an induction motor can be expected to be nearly 99% 80 to 90% 60 to 90% 95 to 98 % 99% 80 to 90% 60 to 90% 95 to 98 % ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors When the rotor of a 3-phase induction motor is blocked, the slip is _____ 0.5 0.1 1 0 0.5 0.1 1 0 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Which of the following component is usually fabricated out of silicon steel? None of these Stator core Bearings Shaft None of these Stator core Bearings Shaft ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors One of the speeds of a 2 speed squirrel cage induction motor is 800 rpm. The other speed will be _____ 1200 rpm 1600 rpm 400 rpm 2400 rpm 1200 rpm 1600 rpm 400 rpm 2400 rpm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The rotor winding of a 3phase wound rotor induction motor is generally _______ connected. Star None of the listed here Partly star and partly delta Delta Star None of the listed here Partly star and partly delta Delta ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The frequency of rotor current in a 6-pole , 50 Hz, 3-phase induction motor running at 950 rpm is 5 Hz 2.5 Hz 1.5 Hz 0.05 Hz 5 Hz 2.5 Hz 1.5 Hz 0.05 Hz ANSWER DOWNLOAD EXAMIANS APP