Power Systems Surge impedance loading (SIL) is represented by Vl²*√(C/L) Vph²/Zs both 1 and 2 Vl²/Zs Vl²*√(C/L) Vph²/Zs both 1 and 2 Vl²/Zs ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following grounding is not practically preferred for protection of equipments? resistance grounding reactance grounding All of these isolated grounding resistance grounding reactance grounding All of these isolated grounding ANSWER DOWNLOAD EXAMIANS APP
Power Systems Direct conversion of heat energy into electrical energy is possible through MHD generator. Thermal converters. Both A and C. Fuel or solar cell. MHD generator. Thermal converters. Both A and C. Fuel or solar cell. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are used for protection of equipment from external lightning protection of equipment from short circuits protection of equipment from open circuits All of these protection of equipment from external lightning protection of equipment from short circuits protection of equipment from open circuits All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a biased differential relay the bias is defined as the ratio of fault current and operating coil current. number of turns of restraining and operating coil. fault current and restraining coil current. operating coil current and restraining coil current. fault current and operating coil current. number of turns of restraining and operating coil. fault current and restraining coil current. operating coil current and restraining coil current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the desirable properties of a insulator material? Both 1 and 2 High relative permittivity High ratio of puncture strength to flash over. Low ratio of puncture strength to flash over. Both 1 and 2 High relative permittivity High ratio of puncture strength to flash over. Low ratio of puncture strength to flash over. ANSWER DOWNLOAD EXAMIANS APP
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