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 1000 MW 1500 MW 1250 MW 750 MW 1000 MW 1500 MW 1250 MW 750 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string type insulator has three units with self capacitance C and ground capacitance of 0.2 C having a string efficiency of 76% 80% 78% 82% 76% 80% 78% 82% ANSWER DOWNLOAD EXAMIANS APP
Power Systems For complete protection of 3-phase system from the short circuit faults minimum number of relays required are two three six one two three six one ANSWER DOWNLOAD EXAMIANS APP
Power Systems A Pelton wheel turbine having a rated speed of 300 rpm is connected to an alternator to produce power at 50 Hz. The number of poles required in the alternator is 4 20 10 8 4 20 10 8 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Cheapest plant in operation and maintenance is nuclear. steam power. hydroelectric. diesel power. nuclear. steam power. hydroelectric. diesel power. ANSWER DOWNLOAD EXAMIANS APP
Power Systems To improve the efficiency of thermal power plant ________________ is placed between boiler and turbine. superheater. air preheater. economizer. ash handling point. superheater. air preheater. economizer. ash handling point. ANSWER DOWNLOAD EXAMIANS APP
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