Three Phase Induction Motors The rotor of an induction motor runs at Below synchronous speed Synchronous speed Any of the above Above synchronous speed Below synchronous speed Synchronous speed Any of the above Above synchronous speed ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Reduced voltage starter can be used with Slip ring motor only but not with squirrel cage induction motor None of these Squirrel cage as well as slip ring induction motor Squirrel cage induction motor only but not with slip ring motor Slip ring motor only but not with squirrel cage induction motor None of these Squirrel cage as well as slip ring induction motor Squirrel cage induction motor only but not with slip ring motor ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor, no load the slip is generally Less than 1% 4% 1.5 % 2% Less than 1% 4% 1.5 % 2% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The condition of induction motor at stand still resemble those of a transformer whose secondady is _______ None of the listed here Supplying a variable resistive load Short circuited Open circuited None of the listed here Supplying a variable resistive load Short circuited Open circuited 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. 15 to 20 % 30 to 50% 10 to 15% 5% 15 to 20 % 30 to 50% 10 to 15% 5% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The good power factor of an induction motor can be achieved if the average flux density in the air gap is Absent Large Small Infinity Absent Large Small Infinity ANSWER DOWNLOAD EXAMIANS APP