Power Systems In a biased differential relay the bias is defined as the ratio of fault current and operating coil current. operating coil current and restraining coil current. fault current and restraining coil current. number of turns of restraining and operating coil. fault current and operating coil current. operating coil current and restraining coil current. fault current and restraining coil current. number of turns of restraining and operating coil. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The characteristic impedance of a transmission line is Inversely proportional to square root of its length. Directly proportional to its length. Directly proportional to square root of its length. Independent of its length. Inversely proportional to square root of its length. Directly proportional to its length. Directly proportional to square root of its length. Independent of its length. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, the symmetrical breaking capacity is 2000 MVA, 3 secs. Then the making capacity is 5200 MVA. 5000 MVA. 5500 MVA. 5100 MVA. 5200 MVA. 5000 MVA. 5500 MVA. 5100 MVA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If we increase the length of the transmission line, the charging current None of these remains unaffected increases decreases None of these remains unaffected increases decreases ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relays are used for the protection of which of the following lines? long transmission lines only None of these medium transmission lines only short transmission lines only long transmission lines only None of these medium transmission lines only short transmission lines only ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pumped storage plant is a base load plant peak load plant both 1 and 2 None of these base load plant peak load plant both 1 and 2 None of these ANSWER DOWNLOAD EXAMIANS APP