Power Systems The most commonly used material for insulators of overhead lines is porcelain glass mica PVC porcelain glass mica PVC ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is low specific speed turbine? None of these Kaplan Francis Pelton None of these Kaplan Francis Pelton ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power generating station has a maximum demand of 1000 MW. The annual load factor is 75% and plant capacity factor is 60%. Calculate the reserve capacity? 250 MW 1250 MW 500 MW 750 MW 250 MW 1250 MW 500 MW 750 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Four identical alternators each are rated for 20 MVA, 11 KV having a subtransient reactance of 16% are working in parallel. The short circuit level at the busbar is 500 MVA 125 MVA 100 MVA 400 MVA 500 MVA 125 MVA 100 MVA 400 MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ideal plant load cfactor is 1 less than 1 greater than 1 0 1 less than 1 greater than 1 0 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 = 125 MW and PG2 = 125 MW PG1 = 142.5 MW and PG2 = 107.5 MW PG1 = 100 MW and PG2 = 150 MW PG1 = 109.75 MW and PG2 = 140.25 MW PG1 = 125 MW and PG2 = 125 MW PG1 = 142.5 MW and PG2 = 107.5 MW PG1 = 100 MW and PG2 = 150 MW PG1 = 109.75 MW and PG2 = 140.25 MW ANSWER DOWNLOAD EXAMIANS APP
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