Three Phase Induction Motors The condition of induction motor on load resemble those of a transformer whose secondady is _______ Supplying a variable resistive load Open circuited Short circuited None of the listed here Supplying a variable resistive load Open circuited Short circuited None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The approximate efficiency of a 3-phase , 50 Hz, 4 pole induction motor running at 1350 rpm is ______ None of the listed here 65% 40% 90% None of the listed here 65% 40% 90% 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. 30 to 50% 15 to 20 % 5% 10 to 15% 30 to 50% 15 to 20 % 5% 10 to 15% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The speed of a squirrel cage induction motor is changed by Pole changing Cascade control Rheostatic control None of the listed here Pole changing Cascade control Rheostatic control None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The term cogging is associated with Compound generators Induction motors Dc series motors Three phase transformer Compound generators Induction motors Dc series motors Three phase transformer ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Which of the following component is usually fabricated out of silicon steel? Stator core Bearings Shaft None of these Stator core Bearings Shaft None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS