Power Systems For variable heads of near about but less than 30 m, which type of turbines is used hydro power plant Francis. Pelton. Kaplan. None of above. Francis. Pelton. Kaplan. None of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has an impedance of (2+j6) Ω has voltage regulation of 10% at a load power factor of 0.8 lag. Find the voltage regulation for a load of 0.6 lead 6.92% 10% -10% -6.92% 6.92% 10% -10% -6.92% ANSWER DOWNLOAD EXAMIANS APP
Power Systems At slack bus, which one of the following combinations of variables is not specified? Q and V P and Q V and δ P and V Q and V P and Q V and δ P and V ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the approximate efficiency of a normal thermal power station? 30-40% 20-25% 60-70% 45-55% 30-40% 20-25% 60-70% 45-55% 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 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? 456 MW 400 MW 386 MW 478 MW 456 MW 400 MW 386 MW 478 MW ANSWER DOWNLOAD EXAMIANS APP
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