Power Systems Pin insulators are used up to 33 kV any voltage level 120 kV 11 kV 33 kV any voltage level 120 kV 11 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems The fact that current density is higher at the surface when compared to centre is known as proximity effect carona skin effect All of these proximity effect carona skin effect All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 10 MVA generator has reactance of 0.2 pu. Find the new reactance value for 50 MVA base? 0.25 pu 5 pu 0.2 pu 1 pu 0.25 pu 5 pu 0.2 pu 1 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Oxide film arrestor has which of the following properties? Does not require daily charging. Both A and B. It is expensive. Installed at points of transmission line where daily visit is difficult. Does not require daily charging. Both A and B. It is expensive. Installed at points of transmission line where daily visit is difficult. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Recovery voltage in CB is equal to none of these. arcing period voltage. normal frequency 50 Hz rms voltage. transient voltage. none of these. arcing period voltage. normal frequency 50 Hz rms voltage. transient voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 core cable gives on test a capacitance of 3.7 µF between two cores. Find the line charging current of the cable when it is connected to 11 kV, 50 Hz system? 14.76 A. 1 A. 1.476 A. 14.7 mA. 14.76 A. 1 A. 1.476 A. 14.7 mA. ANSWER DOWNLOAD EXAMIANS APP
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