Power Systems If the breakdown voltage of the insulator is high, the thickness of the insulator is high less it does not related to breakdown voltage None of these high less it does not related to breakdown voltage None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm sinωt? 1.47 msec 9.68 msec 4.68 msec 2.63 msec 1.47 msec 9.68 msec 4.68 msec 2.63 msec ANSWER DOWNLOAD EXAMIANS APP
Power Systems The advantage of hydro electric power station over thermal power station is the operation cost of hydro electric power station is low hydro electric station can be constructed at the place where the energy is required hydro electric power station can supply the power throughout the year the initial cost of hydro electric power station is low the operation cost of hydro electric power station is low hydro electric station can be constructed at the place where the energy is required hydro electric power station can supply the power throughout the year the initial cost of hydro electric power station is low ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the methods of improving transient stability? All of these Dynamic breaking Fast acting governing system Fast acting excitation control All of these Dynamic breaking Fast acting governing system Fast acting excitation control ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line is compensated with shunt capacitance Csh. If the uncompensated transmission line surge impedance is Zs, then find the new surge impedance Zn after shunt compensation? Zs*√(1 + Kcsh) All of these Zs/√(1 + Kcsh) √(1 + Kcsh)/Zs Zs*√(1 + Kcsh) All of these Zs/√(1 + Kcsh) √(1 + Kcsh)/Zs ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which cooling is preferred for large turbine generator Hydrogen cooling. Oxygen cooling. None of these. Nitrogen cooling. Hydrogen cooling. Oxygen cooling. None of these. Nitrogen cooling. ANSWER DOWNLOAD EXAMIANS APP
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