Electrical Machines In dc machines, the space waveform of the air-gap flux distribution affects voltage but not the torque neither the voltage nor the torque torque but not the voltage both the torque and voltage voltage but not the torque neither the voltage nor the torque torque but not the voltage both the torque and voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine torque is proportional to which of the following? flux(φ) None of these armature current(Ia) both A and B flux(φ) None of these armature current(Ia) both A and B ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hunting in a synchronous cannot be due to variable load. variable frequency. windage friction. variable supply voltage. variable load. variable frequency. windage friction. variable supply voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a transformer to be tested at full load conditions but consuming only losses from the main, we do OC and SC tests load test None of these back to back test OC and SC tests load test None of these back to back test ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the load current and the flux of a DC motor are held constant and voltage applied across its armature is increased by 5%, the speed of the motor will remain unchanged. reduce by 5 %. depend on other factors. increase by 5 %. remain unchanged. reduce by 5 %. depend on other factors. increase by 5 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hysteresis loop represents the area of eddy current loss hysteresis loss total iron losses copper loss eddy current loss hysteresis loss total iron losses copper loss ANSWER DOWNLOAD EXAMIANS APP
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