Power Systems To protect the power transformer ( Y-Y with neutral grounded) against fault, which type of connection do the current transformers have? Y-Δ connection Δ-Y connection Δ-Δ connection Y-Y connection Y-Δ connection Δ-Y connection Δ-Δ connection Y-Y connection ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a transmission line can be increased by increasing its voltage level addition of lumped capacitance in series both 1 and 3 addition of lumped inductance in parallel increasing its voltage level addition of lumped capacitance in series both 1 and 3 addition of lumped inductance in parallel 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? 0.2 pu 5 pu 1 pu 0.25 pu 0.2 pu 5 pu 1 pu 0.25 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The power output of a nuclear power station is proportional to square root of the rate at which fission reaction occurs. none of above. square of the rate at which fission reaction occurs. the rate at which fission reaction occurs. square root of the rate at which fission reaction occurs. none of above. square of the rate at which fission reaction occurs. the rate at which fission reaction occurs. 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) √(1 + Kcsh)/Zs Zs*√(1 + Kcsh) All of these Zs/√(1 + Kcsh) √(1 + Kcsh)/Zs Zs*√(1 + Kcsh) All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The rating of fuse wire is always expressed in kWh. ampere-volts. amperes. ampere-hours. kWh. ampere-volts. amperes. ampere-hours. ANSWER DOWNLOAD EXAMIANS APP
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