Electrical Machines Armature reaction in DC generators will result in short circuit. increase in slip. reduction in generated emf. open circuit. short circuit. increase in slip. reduction in generated emf. open circuit. 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 200 V. 800 V. 400 V. 100 V. 200 V. 800 V. 400 V. 100 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which machine is used for battery charging? None of these. DC series generator. Compounded DC generator. DC shunt generator. None of these. DC series generator. Compounded DC generator. DC shunt 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? 40 V. 30 V. 60 V. 90 V. 40 V. 30 V. 60 V. 90 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When an electric train is moving down a hill, the DC motor will operate as DC series generator. DC shunt motor. DC shunt generator. DC series motor. DC series generator. DC shunt motor. DC shunt generator. DC series motor. ANSWER DOWNLOAD EXAMIANS APP