Power Systems In a 400 kV power network, 360 kV is recorded at 400 kV bus. The reactive power absorbed by a shunt reactor for 50 MVAr, 400 kV connected at the bus is 45.0 MVAr. 61.73 MVAr. 55.56 MVAr. 40.5 MVAr. 45.0 MVAr. 61.73 MVAr. 55.56 MVAr. 40.5 MVAr. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which device is used for protection of equipment from from damage caused by overload or short circuit? CVT lightning arrester circuit breaker current transformer CVT lightning arrester circuit breaker current transformer ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a power system with negligible resistance, the fault current at a point is 8.00 pu. The series reactance is to be included at the fault point to limit the short circuit. current to 5.00 pu is 0.125 pu. 0.200 pu. 0.075 pu. 3.000 pu. 0.125 pu. 0.200 pu. 0.075 pu. 3.000 pu. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following given faults, all the sequence currents are equal? LG LL LLG LLL LG LL LLG LLL ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ships are usually supplied power by None of above. Diesel engine. Hydraulic turbine. Steam accumulator. None of above. Diesel engine. Hydraulic turbine. Steam accumulator. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the approximate efficiency of a normal thermal power station? 45-55% 30-40% 20-25% 60-70% 45-55% 30-40% 20-25% 60-70% ANSWER DOWNLOAD EXAMIANS APP