Power Systems Lightning arresters are used for All of these protection of equipment from external lightning protection of equipment from open circuits protection of equipment from short circuits All of these protection of equipment from external lightning protection of equipment from open circuits protection of equipment from short circuits 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 3.000 pu. 0.125 pu. 0.075 pu. 0.200 pu. 3.000 pu. 0.125 pu. 0.075 pu. 0.200 pu. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Length of the cable is doubled, its capacitance C will be doubled. one-half. one-fourth. unchanged. doubled. one-half. one-fourth. unchanged. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is 45 kA. 50 kA. 55 kA. 35 kA. 45 kA. 50 kA. 55 kA. 35 kA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems More efficient plants are used as base load plant None of these both 1 and 2 peak load plant base load plant None of these both 1 and 2 peak load plant ANSWER DOWNLOAD EXAMIANS APP
Power Systems If power P available from a hydroelectric plant is given by the formula P = 9.81QH, where Q is the flow rate through the turbine in l / s and H is the head in meters, then P will be unit of HP. kJ / S. W. kWh. HP. kJ / S. W. kWh. ANSWER DOWNLOAD EXAMIANS APP
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