Electrical Machines In a synchronous generator with constant steam input supplies power to an infinite bus at a lagging power factor. If the excitation is increased power angle decrease and power factor increase power angle increase and power factor decrease both power angle and power factor decrease both power angle and power factor increase power angle decrease and power factor increase power angle increase and power factor decrease both power angle and power factor decrease both power angle and power factor increase ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following are variable losses? armature copper loss eddy current loss shunt field copper loss hysteresis loss armature copper loss eddy current loss shunt field copper loss hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Find the synchronous reactance of alternators in which a given field current of 200 A on short circuit and a generated emf of 50 V on open circuit. Armature resistance is 0.1 ohm 1Ω. 0.5Ω. 0.25Ω. 0.23Ω. 1Ω. 0.5Ω. 0.25Ω. 0.23Ω. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Open circuit test on transformer gives copper loss eddy current loss hysteresis loss both 1and 2 copper loss eddy current loss hysteresis loss both 1and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For same HP rating and full load speed which of following motor has poor starting torque? Shunt. Differently compounded. Series. Cummulative compound. Shunt. Differently compounded. Series. Cummulative compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The dc motor which can provide zero speed regulation at full load without any controller, is series. differential compound. cumulative compound. shunt. series. differential compound. cumulative compound. shunt. ANSWER DOWNLOAD EXAMIANS APP
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