Power Systems The main objectives of power system is/are Flexible power has to be available. Reliable power has to be available All of these Cost of electrical energy per KWh is to be minimum Flexible power has to be available. Reliable power has to be available All of these Cost of electrical energy per KWh is to be minimum ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a biased differential relay the bias is defined as the ratio of operating coil current and restraining coil current. fault current and restraining coil current. fault current and operating coil current. number of turns of restraining and operating coil. operating coil current and restraining coil current. fault current and restraining coil current. fault current and operating coil current. number of turns of restraining and operating coil. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following grounding is not practically preferred for protection of equipments? All of these isolated grounding reactance grounding resistance grounding All of these isolated grounding reactance grounding resistance grounding ANSWER DOWNLOAD EXAMIANS APP
Power Systems Most commonly used material for insulator is porcelain mica glass All of these porcelain mica glass All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of pumped storage plants is/are most economical as a peak load supply plant used as load frequency control operating time is minimum All of these most economical as a peak load supply plant used as load frequency control operating time is minimum All of these 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 0.200 pu. 0.125 pu. 3.000 pu. 0.075 pu. 0.200 pu. 0.125 pu. 3.000 pu. 0.075 pu. ANSWER DOWNLOAD EXAMIANS APP
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