Power Systems The most commonly used material for insulators of overhead lines is mica PVC glass porcelain mica PVC glass porcelain ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has a rating of 10 MVA, 5 kV has a reactance of 0.02 pu. Find the reactance at a new base values of 50 MVA, 10 kV? 0.025 0.02 0.05 0.25 0.025 0.02 0.05 0.25 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit value of a 2 ohm resistor at 100 MVA and 10 kV base voltage is 0.5 pu 4 pu 2 pu 0.2 pu 0.5 pu 4 pu 2 pu 0.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems In Rankine cycle, the work output from a turbine is given by change of entropy between inlet and outlet. change in internal energy between inlet and outlet. change of enthalpy between inlet and outlet. change in temperature between inlet and outlet. change of entropy between inlet and outlet. change in internal energy between inlet and outlet. change of enthalpy between inlet and outlet. change in temperature between inlet and outlet. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has surge impedance of 400 Ω, operating at Vs = Vr = 400 kV line is compensated with a shunt capacitance of 30%. Find the surge impedance loading with compensation? 478 MW 456 MW 386 MW 400 MW 478 MW 456 MW 386 MW 400 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Counter poise is used for less surge impedance proper discharging of lighting surges more surge impedance reduce losses less surge impedance proper discharging of lighting surges more surge impedance reduce losses ANSWER DOWNLOAD EXAMIANS APP