Power Systems Which power plant cannot have single unit of 100 MW capacity Diesel engine plant. Steam power plant. Hydro electric power plant. Nuclear power plant. Diesel engine plant. Steam power plant. Hydro electric power plant. Nuclear power plant. ANSWER DOWNLOAD EXAMIANS APP
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 0.4 pu 0.8 pu 0.5 pu 1 pu 0.4 pu 0.8 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ABCD constants of a 3-phase transmission line are A = D = 0.8∠1°, B = 170∠85° Ω , C = 0.002∠90.4° ℧. The sending end voltage is 400 kV. The receiving end voltage under no load condition is 400 kV 600 kV 350 kV 500 kV 400 kV 600 kV 350 kV 500 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit impedance of a circuit element is 0.30. If the base kV and base MVA are halved, then the new value of the per unit impedance of the circuit element will be 0.60 0.0030 0.0060 0.30 0.60 0.0030 0.0060 0.30 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across the bottom most unit is 33.33% of total voltage. Its string efficiency is 75% 25% 33.33% 66.66% 75% 25% 33.33% 66.66% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following transmission line is most practically used in load flow analysis? Nominal T Nominal ∏ nether 1 nor 2 either 1 or 2 Nominal T Nominal ∏ nether 1 nor 2 either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS