Power Systems If a 500 MVA, 11 kV 3-phase generator at 50 Hz feeds through a transfer impedance of (0+j0.605) Ω/phase, an infinite voltage also at 11 kV, then the maximum steady state power transfer on the base of 500 MVA and 11 kV is 0.5 pu 1 pu 0.8 pu 0.4 pu 0.5 pu 1 pu 0.8 pu 0.4 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω for a length of the line of 200 km. If the length of line is increased to 400 km, then its surge impedance is 400 Ω 0 Ω 800 Ω 200 Ω 400 Ω 0 Ω 800 Ω 200 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydraulic turbine having rated speed of 250 rpm is connected to a synchronous generator. In order to produce power at 50 Hz, the numbers of pole are required in the generator 6. 16. 12. 24. 6. 16. 12. 24. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For large plants of capacity for more than 15 MW, what type of cooling is used Water. Liquid. Air. Hydrogen. Water. Liquid. Air. Hydrogen. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading (SIL) is represented by Vl²/Zs both 1 and 2 Vl²*√(C/L) Vph²/Zs Vl²/Zs both 1 and 2 Vl²*√(C/L) Vph²/Zs ANSWER DOWNLOAD EXAMIANS APP
Power Systems How much KWh energy is produced by fission of 1 gm of uranium U235 240 kWh. 24000 kWh. 24 kWh. 2400 kWh. 240 kWh. 24000 kWh. 24 kWh. 2400 kWh. ANSWER DOWNLOAD EXAMIANS APP
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