Electrical Machines The constant losses in transformer is/are hysteresis loss. both 2 and 3. copper loss. eddy current loss. hysteresis loss. both 2 and 3. copper loss. eddy current loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an induction motor, the no-load slip is generally equal to 4 %. less than 1 %. zero. 1.5 %. 4 %. less than 1 %. zero. 1.5 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a three phase star - delta transformer, what is the angle difference between primary and secondary phase voltages? Star side leads by 30°. Star side lags by -30°. Delta side lags by -30°. Delta side leads by 30°. Star side leads by 30°. Star side lags by -30°. Delta side lags by -30°. Delta side leads by 30°. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Field winding of a DC series motor is usually provided with thick wire to reduce the insulation of materials. as it carries large load current. to provide large flux. in order to reduce eddy current to provide large flux. to reduce the insulation of materials. as it carries large load current. to provide large flux. in order to reduce eddy current to provide large flux. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3 - φ induction motor running at full load which of these parameters is stationary with respect to the stator mmf wave? Both rotor and stator winding. Rotor mmf wave. Rotor winding. Stator winding. Both rotor and stator winding. Rotor mmf wave. Rotor winding. Stator winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC generator can be considered as power pump. rotating amplifier. rectifier. prime mover. power pump. rotating amplifier. rectifier. prime mover. ANSWER DOWNLOAD EXAMIANS APP
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