Electrical Machines What is power factor of a 3 - φ induction motor at no load? High. Low. Same as full load. Equal to 1. High. Low. Same as full load. Equal to 1. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Find the reactance voltage when current is changed from -2A to 2A in 4 sec and self inductance is 1H? 4 V 0 V 2 V 1 V 4 V 0 V 2 V 1 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The three point starter is used for Shunt motor as well as compound motors. Series motor. Shunt, compound and series motor. Shunt motor. Shunt motor as well as compound motors. Series motor. Shunt, compound and series motor. Shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A series generator is connected in series to a feeder having 0.5Ω resistance to boost the voltage. The induced voltage is given by Eg = 0.6Ia, Ra = 0.2Ω and Rs = 0.3Ω. Find the voltage boosted by the generator, when delivering 400 Amp? 40 V. 30 V. 90 V. 60 V. 40 V. 30 V. 90 V. 60 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The 3 - Φ induction motor with rotor circuit open will get over heated. make noise. run normally. not run. get over heated. make noise. run normally. not run. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer zero voltage regulation is achieved at a load power factor which is unity zero lagging leading unity zero lagging leading ANSWER DOWNLOAD EXAMIANS APP