Electrical Machines Armature reaction in DC generators will result in reduction in generated emf. open circuit. short circuit. increase in slip. reduction in generated emf. open circuit. short circuit. increase in slip. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A lap wound DC machine has 400 conductors and 8 poles. The voltage induced per conductor is 2 volts. The machine generates a voltage of 800 V. 200 V. 400 V. 100 V. 800 V. 200 V. 400 V. 100 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which machine is used for battery charging? None of these. DC shunt generator. DC series generator. Compounded DC generator. None of these. DC shunt generator. DC series generator. Compounded DC generator. 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? 60 V. 30 V. 90 V. 40 V. 60 V. 30 V. 90 V. 40 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When an electric train is moving down a hill, the DC motor will operate as DC series motor. DC shunt motor. DC shunt generator. DC series generator. DC series motor. DC shunt motor. DC shunt generator. DC series generator. ANSWER DOWNLOAD EXAMIANS APP
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