Electrical Machines Pole changing methods are suitable only for ___________ type induction motor. none of these. linear. wound. cage. none of these. linear. wound. cage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Tappings of a transformer are provided at the phase end of hv side at the middle of hv side at the phase end of lv side at the neutral side end of hv side at the phase end of hv side at the middle of hv side at the phase end of lv side at the neutral side end of hv side ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In travelling cranes for crane travel, trolley and boom hoist which motor is preferred? DC differential compound motor. Stepper motor. Synchronous motor. Slip ring induction motor. DC differential compound motor. Stepper motor. Synchronous motor. Slip ring induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature mmf in a dc machine is 1. stationary with respect to field poles 2. stationary with respect to armature 3. rotating with respect to field poles 4. rotating with respect to armature From these, the correct answer is 2, 4 2, 3 1, 4 1, 3 2, 4 2, 3 1, 4 1, 3 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hysteresis loop represents the area of hysteresis loss total iron losses eddy current loss copper loss hysteresis loss total iron losses eddy current loss copper loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole dc motor with armature winding resistance of 0.6 ohm receives a supply of 230 Volt. If the back emf produced during running condition is equal to 210 volt. Calculate the current flowing through the armature at this point. 43 Amp. 33.33 Amp. 44.47 Amp. 29 Amp. 43 Amp. 33.33 Amp. 44.47 Amp. 29 Amp. ANSWER DOWNLOAD EXAMIANS APP
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