Power Systems Which of the following statements is true? Corona loss increases with increase in conductor size and decrease in supply frequency decrease in conductor size and increase in supply frequency increase in conductor size and increase in supply frequency decrease in conductor size and decrease in supply frequency increase in conductor size and decrease in supply frequency decrease in conductor size and increase in supply frequency increase in conductor size and increase in supply frequency decrease in conductor size and decrease in supply frequency ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the incident current? 2500 A 200 A 250 A 100 A 2500 A 200 A 250 A 100 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems Cheapest plant in operation and maintenance is nuclear. steam power. hydroelectric. diesel power. nuclear. steam power. hydroelectric. diesel power. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power plants can generate power at unpredictable or uncontrollable time Wind turbine. Condenser. Pulverising unit. Cooling tower. Wind turbine. Condenser. Pulverising unit. Cooling tower. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For harnessing low variable water heads, the suitable hydraulic turbine with high percentage of reaction and runner adjust vanes is Impeller. Kaplan. Pelton. Francis. Impeller. Kaplan. Pelton. Francis. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the percentage reactance of an element is 20 % and the full load current is 50 Amp, the short circuit current will be 300 Amp. 350 Amp. 200 Amp. 250 Amp. 300 Amp. 350 Amp. 200 Amp. 250 Amp. ANSWER DOWNLOAD EXAMIANS APP
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