Three Phase Induction Motors Which of the following component is usually fabricated out of silicon steel? Shaft Stator core None of these Bearings Shaft Stator core None of these Bearings ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Very large 3-phase induction motors (greater than 25 HP) are started _____ Direct on line None of the listed here Star-delta starting By auto transformer starting Direct on line None of the listed here Star-delta starting By auto transformer starting 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 decreased None of the listed here Leakage reactances are increased No load current is decreased Leakage reactances are decreased None of the listed here Leakage reactances are increased No load current is decreased ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors At starting of a double squirrel cage induction motor _______ Outer cage winding has good pf Lower winding is more effective None of the listed here Lower cage winding has low reactance Outer cage winding has good pf Lower winding is more effective None of the listed here Lower cage winding has low reactance ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor, no load the slip is generally 1.5 % 4% 2% Less than 1% 1.5 % 4% 2% Less than 1% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The no load speed of an induction motor depends on The number of its poles The maximum flux/poles The supply frequency Both supply frequency and number of poles The number of its poles The maximum flux/poles The supply frequency Both supply frequency and number of poles ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS