Electrical Machines If the mechanical angle α between the stator and rotor poles increases, then the stator current Remains unchanged. None of above. Decreases. Increases. Remains unchanged. None of above. Decreases. Increases. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following speed control of DC motor the speed obtained is below than the rated speed? Armature circuit resistance control. Field resistance control. Any of above. Armature voltage control. Armature circuit resistance control. Field resistance control. Any of above. Armature voltage control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature core of a DC machine is laminated to minimise hysteresis loss mechanical loss temperature rise eddy-current loss hysteresis loss mechanical loss temperature rise eddy-current loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Stepper motor is used in computer printers traction All of these food processing computer printers traction All of these food processing ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load test of 3-phase induction motor gives which of the following? None of these both A and B variable loss constant loss None of these both A and B variable loss constant loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are the methods to reduce the armature reaction and its effects? All of these compensating winding pole chamfering pole stacking All of these compensating winding pole chamfering pole stacking ANSWER DOWNLOAD EXAMIANS APP
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