Three Phase Induction Motors When a 3-phase induction motor is at no load, the slip is ______ 0.5 Practically zero 1 0.2 0.5 Practically zero 1 0.2 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 The magnetising current drawn by a 3 phase induction motor is about _______ of full load stator current. 5% 15 to 20 % 30 to 50% 10 to 15% 5% 15 to 20 % 30 to 50% 10 to 15% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If a 3 phase induction motor is running at a slip S, then approximate efficiency of the motor is ______ 1-S 1+S None of the listed here S-1 1-S 1+S None of the listed here S-1 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors At no load the rotor core loss of a 3 phase induction motor is None of the listed here Small Practically zero Large None of the listed here Small Practically zero Large ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The rotor winding of a 3phase wound rotor induction motor is generally _______ connected. None of the listed here Delta Star Partly star and partly delta None of the listed here Delta Star Partly star and partly delta ANSWER DOWNLOAD EXAMIANS APP