Power Systems Lightning arresters are used for protection of equipment from external lightning protection of equipment from open circuits All of these protection of equipment from short circuits protection of equipment from external lightning protection of equipment from open circuits All of these protection of equipment from short circuits ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following grounding is not practically preferred for protection of equipments? All of these reactance grounding isolated grounding resistance grounding All of these reactance grounding isolated grounding resistance grounding ANSWER DOWNLOAD EXAMIANS APP
Power Systems More efficient plants are used as both 1 and 2 peak load plant None of these base load plant both 1 and 2 peak load plant None of these base load plant ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a line is increased by which of the following compensation methods? shunt reactor both 1 and 2 shunt capacitor series capacitor shunt reactor both 1 and 2 shunt capacitor series capacitor ANSWER DOWNLOAD EXAMIANS APP
Power Systems An isolated synchronous generator with transient reactance equal to 0.1 pu on a 100 MVA base is connected to the high voltage bus through a step up transformer of reactance 0.1 pu on a 100 MVA base. The fault level at the bus is 200 MVA 500 MVA 400 MVA 100 MVA 200 MVA 500 MVA 400 MVA 100 MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems In hydroelectric power plants operating cost is low and initial cost is high. both operating and initial cost are low. operating cost is high and initial cost is low. both operating and initial cost are high. operating cost is low and initial cost is high. both operating and initial cost are low. operating cost is high and initial cost is low. both operating and initial cost are high. ANSWER DOWNLOAD EXAMIANS APP