Three Phase Induction Motors Very large 3-phase induction motors (greater than 25 HP) are started _____ Direct on line Star-delta starting None of the listed here By auto transformer starting Direct on line Star-delta starting None of the listed here By auto transformer starting ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If any two phases for an induction motor are interchanged The motor will not run The motor will burn The motor will run at reduced speed The motor will run in reverse direction The motor will not run The motor will burn The motor will run at reduced speed The motor will run in reverse direction ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The efficiency of an induction motor can be expected to be nearly 60 to 90% 80 to 90% 99% 95 to 98 % 60 to 90% 80 to 90% 99% 95 to 98 % ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In a 3 phase induction motor, the rotor speed is _____ the synchronous speed. Greater than None of the listed here Equal to Smaller than Greater than None of the listed here Equal to Smaller than ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A four speed squirrel cage induction motor uses______ stator windings. One Three Two Four One Three Two Four ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors At starting of a double squirrel cage induction motor _______ Lower cage winding has low reactance None of the listed here Outer cage winding has good pf Lower winding is more effective Lower cage winding has low reactance None of the listed here Outer cage winding has good pf Lower winding is more effective ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS