Power Systems The per unit impedance Z(pu) is given by ZΩ* (MVA)b/(KV)²b ZΩ* (kVA)b/(KV)²b ZΩ* (MVA)b*100/(KV)²b ZΩ* (MVA)b/((KV)²b *100) ZΩ* (MVA)b/(KV)²b ZΩ* (kVA)b/(KV)²b ZΩ* (MVA)b*100/(KV)²b ZΩ* (MVA)b/((KV)²b *100) ANSWER DOWNLOAD EXAMIANS APP
Power Systems For variable heads of near about but less than 30 m, which type of turbines is used hydro power plant Pelton. Kaplan. Francis. None of above. Pelton. Kaplan. Francis. None of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the approximate efficiency of a normal thermal power station? 30-40% 60-70% 45-55% 20-25% 30-40% 60-70% 45-55% 20-25% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Storage requirement can be determined from both B and C. flow duration curve. mass Curve. hydro-graph. both B and C. flow duration curve. mass Curve. hydro-graph. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a biased differential relay the bias is defined as the ratio of fault current and restraining coil current. fault current and operating coil current. operating coil current and restraining coil current. number of turns of restraining and operating coil. fault current and restraining coil current. fault current and operating coil current. operating coil current and restraining coil current. number of turns of restraining and operating coil. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 10 MVA generator has reactance of 0.2 pu. Find the new reactance value for 50 MVA base? 5 pu 0.2 pu 1 pu 0.25 pu 5 pu 0.2 pu 1 pu 0.25 pu ANSWER DOWNLOAD EXAMIANS APP