Electrical Machines If any two leads from slip rings are interchanged in a 3 - Φ induction motor, the motor will get damaged. run in a direction opposite to previous one. continue running in the same direction as before. not run. get damaged. run in a direction opposite to previous one. continue running in the same direction as before. not run. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the space distribution of air-gap flux density wave at no load is flat-topped rectangular co- sinusoidal sinusoidal flat-topped rectangular co- sinusoidal sinusoidal ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the speed of a dc motor increases with load torque, then it is a series motor differentially compounded motor comulatively compounded motor permanent magnet motor series motor differentially compounded motor comulatively compounded motor permanent magnet motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Wave winding is prefered for which of the following rating? high current and high voltage high current and low voltage low current and high voltage low current and low voltage high current and high voltage high current and low voltage low current and high voltage low current and low voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a three phase star - delta transformer, what is the angle difference between primary and secondary phase voltages? Delta side lags by -30°. Star side leads by 30°. Star side lags by -30°. Delta side leads by 30°. Delta side lags by -30°. Star side leads by 30°. Star side lags by -30°. Delta side leads by 30°. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is used in grinders? Capacitor start IM. Split phase IM. Capacitor start capacitor run IM. Synchronous motor. Capacitor start IM. Split phase IM. Capacitor start capacitor run IM. Synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
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