Power Systems Load frequency control is achieved by properly matching the individual machines generated voltages. generator ratings. reactive powers. turbine inputs. generated voltages. generator ratings. reactive powers. turbine inputs. 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 66.66% 75% 25% 33.33% 66.66% 75% 25% 33.33% ANSWER DOWNLOAD EXAMIANS APP
Power Systems A load centre is at an equidistant from the two thermal generating stations G1 and G2. The fuel cost characteristics of the generating stations are given by F1 = a + bP1 + cP²1 F2 = a + b P2 + 2cP²2 Where P1 and P2 are the generation in MW of G1 and G2, respectively. For most economic generation to meet 300 MW of load, P1 and P2 respectively, are 200, 100 175, 125 100, 200 150, 150 200, 100 175, 125 100, 200 150, 150 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speed of water turbine is the speed at which the turbine develops unit horse power at unit head. maximum horse power. unit horse power at all heads. a minimum horse power. unit horse power at unit head. maximum horse power. unit horse power at all heads. a minimum horse power. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following method is/are more reliable? Newton Raphson (NR) method All of these Gauss-Siedel (GS) method Fast Decoupled Load Flow (FDLF) method Newton Raphson (NR) method All of these Gauss-Siedel (GS) method Fast Decoupled Load Flow (FDLF) method ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a thermal power plant, which of its following components needs maximum maintenance attention Boiler. Super heater. Steam turbine. Condenser. Boiler. Super heater. Steam turbine. Condenser. ANSWER DOWNLOAD EXAMIANS APP
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