Power Systems A thermal protection switch is used to provide protection against temperature. short circuit. overload. over voltage. temperature. short circuit. overload. over voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 400/5. The pick up value is 12.5 A 15 A 6.25 A 10 A 12.5 A 15 A 6.25 A 10 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems The skin effect of conductor will increase when diameter decrease All of these resistivity decrease frequency decrease diameter decrease All of these resistivity decrease frequency decrease ANSWER DOWNLOAD EXAMIANS APP
Power Systems Oxide film arrestor has which of the following properties? Both A and B. It is expensive. Does not require daily charging. Installed at points of transmission line where daily visit is difficult. Both A and B. It is expensive. Does not require daily charging. Installed at points of transmission line where daily visit is difficult. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the fault is very nearer to the generator, the fault current is any of the above larger less zero any of the above larger less zero ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following grounding is not practically preferred for protection of equipments? isolated grounding reactance grounding All of these resistance grounding isolated grounding reactance grounding All of these resistance grounding ANSWER DOWNLOAD EXAMIANS APP
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