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 0.4 pu 1 pu 0.8 pu 0.5 pu 0.4 pu 1 pu 0.8 pu 0.5 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a two plant system, the load is connected to plant number 2. The loss coefficients are B11,B22,B12 are non zeros B11,B12 are non zero ,B22 = 0 B11,B22 are non zero,B12 = 0 B11 is non zero,B22 = B12 = 0 B11,B22,B12 are non zeros B11,B12 are non zero ,B22 = 0 B11,B22 are non zero,B12 = 0 B11 is non zero,B22 = B12 = 0 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal generating station has an installed capacity of 15 MW and supplies a daily load of 10 MW for 12 hours and 5 MW for remaining 12 hours. The plant capacity factor for the station is 0.5 1 0.75 0.6 0.5 1 0.75 0.6 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A buchholz relay is used for protection of a transformer against all internal faults both 1 and 2 nether 1 nor 2 protection of a transformer against all external faults protection of a transformer against all internal faults both 1 and 2 nether 1 nor 2 protection of a transformer against all external faults ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which following statement are not true for line parameters R, L, G and C of transmission line All of above. Both R and G depend on the conductivity of conductor forming the line. G = 1/R where G is conductance of line. LC = μ ε and RG = σ ε. All of above. Both R and G depend on the conductivity of conductor forming the line. G = 1/R where G is conductance of line. LC = μ ε and RG = σ ε. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following statement are false A thermal reactor needs a moderator material. In nuclear power plants, chain reaction is controlled by cadmium rods. Nuclear power plants are used as peak load plants only. In a nuclear reactor, multiplication factor is kept almost equal to one. A thermal reactor needs a moderator material. In nuclear power plants, chain reaction is controlled by cadmium rods. Nuclear power plants are used as peak load plants only. In a nuclear reactor, multiplication factor is kept almost equal to one. ANSWER DOWNLOAD EXAMIANS APP
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