Power Systems What type of back up protection is used for alternators? Impedance relay. Mho relay. Buchholz relay. IDMT relay. Impedance relay. Mho relay. Buchholz relay. IDMT relay. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across the bottom most unit is 33.33% of total voltage. Its string efficiency is 75% 25% 33.33% 66.66% 75% 25% 33.33% 66.66% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum power transfer in a transmission line can be obtained by None of these either 1 or 2 increasing voltage level reducing reactance None of these either 1 or 2 increasing voltage level reducing reactance ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the inertia constant H = 10 MJ/MVA for a 50 MVA generator, the stored energy is 10 MJ 50 MJ 500 MJ 5 MJ 10 MJ 50 MJ 500 MJ 5 MJ ANSWER DOWNLOAD EXAMIANS APP
Power Systems Gas turbine power plants for maximum efficient may have Multistage compression. Reheating. All of above. Heat exchangers. Multistage compression. Reheating. All of above. Heat exchangers. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reactance relays are used for the protection of short transmission lines only long transmission lines only medium transmission lines only All of these short transmission lines only long transmission lines only medium transmission lines only All of these ANSWER DOWNLOAD EXAMIANS APP