Power Systems Two generating stations delivering a powers of P1 = 150 MW, P2 =100 MW and the B coefficients are B11 = 0.005, B22 = 0.002, B12=B21= -0.001. Find the transmission line losses? 85.5 102.5 95.5 105.2 85.5 102.5 95.5 105.2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The capacitance of an overhead transmission line increases with both 1 and 2 neither 1 nor 2 increase in mutual geometrical mean distance increase in height of conductors above ground both 1 and 2 neither 1 nor 2 increase in mutual geometrical mean distance increase in height of conductors above ground ANSWER DOWNLOAD EXAMIANS APP
Power Systems A coal fired steam power station working at a plant factor of 80% has one 500 MW generating unit. If the heat content of coal is 2 kWh/kg, the overall plant efficiency is 40% and a train load of coal is 2000 metric tons, then the number of trains required daily for the plant is 6 16 10 2 6 16 10 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems MCB stands for miniature circuit breaker. maximum capacity breaker. molded circuit breaker. minimum capacity breaker. miniature circuit breaker. maximum capacity breaker. molded circuit breaker. minimum capacity breaker. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For accurate load flow calculations on large power systems, the best method is N-R method G-S method All of these Decoupled method N-R method G-S method All of these Decoupled method ANSWER DOWNLOAD EXAMIANS APP
Power Systems The characteristic impedance of a transmission on line is Inversely proportional to its length. Independent of its length. Directly proportional to its length. Directly proportional to square root of its length. Inversely proportional to its length. Independent of its length. Directly proportional to its length. Directly proportional to square root of its length. ANSWER DOWNLOAD EXAMIANS APP
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