Power Systems The commercial sources of energy are solar, wind, biomass. fossile fuels and radioactive substances. none of above. wood, animal wastes and agricultural wastes. solar, wind, biomass. fossile fuels and radioactive substances. none of above. wood, animal wastes and agricultural wastes. 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 0.30 0.0060 0.0030 0.60 0.30 0.0060 0.0030 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 400 KV network, 360 KV is recorded at a 400 KV bus. The reactive power absorbed by shunt rated for 50 MVAr, 400 KV connected at the bus is 45 MVAr. 55.56 MVAr. 40.5 MVAr. 61.73 MVAr. 45 MVAr. 55.56 MVAr. 40.5 MVAr. 61.73 MVAr. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The incremental fuel costs for two generating units G1 and G2 are given by Ic1 = 25 + 0.2 PG1 and Ic2 = 32 + 0.2 PG2, where PG1 and PG2 are real powers generated by the units. The economic allocation for a total load of 250 MW, neglecting transmission loss, is given by PG1 = 100 MW and PG2 = 150 MW PG1 = 142.5 MW and PG2 = 107.5 MW PG1 = 125 MW and PG2 = 125 MW PG1 = 109.75 MW and PG2 = 140.25 MW PG1 = 100 MW and PG2 = 150 MW PG1 = 142.5 MW and PG2 = 107.5 MW PG1 = 125 MW and PG2 = 125 MW PG1 = 109.75 MW and PG2 = 140.25 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the percentage reactance of an element is 20 % and the full load current is 50 Amp, the short circuit current will be 250 Amp. 350 Amp. 200 Amp. 300 Amp. 250 Amp. 350 Amp. 200 Amp. 300 Amp. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If a fault occurs on any feeder, the fault current is much lower than with unsectional bus bar. none of these. equal to unsectional bus bar. much higher than with unsectional bus bar. much lower than with unsectional bus bar. none of these. equal to unsectional bus bar. much higher than with unsectional bus bar. ANSWER DOWNLOAD EXAMIANS APP
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