Power Systems In which of the following given faults, all the sequence currents are equal? LLL LLG LG LL LLL LLG LG LL ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where the voltage is high and current to be interrupted is low, Which of following the breaker is preferable? Any of these. Air blast CB. Vacuum CB. Oil CB. Any of these. Air blast CB. Vacuum CB. Oil CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is an impulse turbine None of above. Kaplan turbine. Pelton turbine. Francis turbine. None of above. Kaplan turbine. Pelton turbine. Francis turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What type of back up protection is used for alternators? IDMT relay. Mho relay. Impedance relay. Buchholz relay. IDMT relay. Mho relay. Impedance relay. Buchholz relay. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The advantage of hydro electric power station over thermal power station is the initial cost of hydro electric power station is low hydro electric power station can supply the power throughout the year hydro electric station can be constructed at the place where the energy is required the operation cost of hydro electric power station is low the initial cost of hydro electric power station is low hydro electric power station can supply the power throughout the year hydro electric station can be constructed at the place where the energy is required the operation cost of hydro electric power station is low 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? 100 A 250 A 2500 A 200 A 100 A 250 A 2500 A 200 A ANSWER DOWNLOAD EXAMIANS APP