Three Phase Induction Motors The no load speed of an induction motor depends on Both supply frequency and number of poles The supply frequency The number of its poles The maximum flux/poles Both supply frequency and number of poles The supply frequency The number of its poles The maximum flux/poles ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The full load slip of a 3-phase induction motor ranges from 10 to 20 % None of the listed here 2 to 5 % 20 to 30 % 10 to 20 % None of the listed here 2 to 5 % 20 to 30 % ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The magnetising current drawn by a 3 phase induction motor is about _______ of full load stator current. 10 to 15% 30 to 50% 5% 15 to 20 % 10 to 15% 30 to 50% 5% 15 to 20 % ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The synchronous speed of a 3-phase induction motor having 20 poles and connected to a 50 Hz source is _____ 300 rpm 1000 rpm 1200 rpm 600 rpm 300 rpm 1000 rpm 1200 rpm 600 rpm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The shaft of an induction motor is made of Stainless steel High speed steel Carbon steel Cast iron Stainless steel High speed steel Carbon steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor with 1000 r.p.m. speed will have 8 poles 2 poles 6 poles 4 poles 8 poles 2 poles 6 poles 4 poles ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS