Power Systems In a 4 bus,4×4 Y bus matrix the number of non zero elements are 12. Find the number of transmission lines? 2 5 4 8 2 5 4 8 ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the preferred type of circuit breaker(CB) to be installed in extra high voltage AC system? Sulphur hexafluoride CB Vacuum CB Air blast CB Bulk oil type CB Sulphur hexafluoride CB Vacuum CB Air blast CB Bulk oil type CB ANSWER DOWNLOAD EXAMIANS APP
Power Systems If, for a given alternator in economic operation mode, the incremental cost is given by (0.012 P + 8) Rs/MWh, dPL/dP = 0.2 and plant λ = 25, then power generation is 1250 MW 1500 MW 1000 MW 750 MW 1250 MW 1500 MW 1000 MW 750 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 500/5. The plug setting multiplier for a fault current of 5 kA is 2 8 6 5 2 8 6 5 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 100, 200 200, 100 150, 150 175, 125 100, 200 200, 100 150, 150 175, 125 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Thermal shielding is provided to absorb the fast neutron. protected the operating personal from exposure to radiations. prevent the reactor wall from getting heated. All of these absorb the fast neutron. protected the operating personal from exposure to radiations. prevent the reactor wall from getting heated. All of these ANSWER DOWNLOAD EXAMIANS APP
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