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 1500 MW 1000 MW 750 MW 1250 MW 1500 MW 1000 MW 750 MW 1250 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following power plants normally operage at high speeds Diesel engine. Petrol engine. Thermal. Hydro electric. Diesel engine. Petrol engine. Thermal. Hydro electric. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across bottom most unit is 10 kV and its efficiency is 90%. Find the total operating phase voltage? 32 kV 40 kV 45 kV 36 kV 32 kV 40 kV 45 kV 36 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems The pickup value of relay is 6.5 Amp and fault current in relay coil is 39 Amp. Its plug setting multiplier is 8 A. 10 A. 7 A. 6 A. 8 A. 10 A. 7 A. 6 A. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the time of operation of a relay for unity TMS is 10 sec. the time of operation of 0.5 TMS will be _______________ secs. 7. 20. 5. 3. 7. 20. 5. 3. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the desirable properties of a insulator material? High relative permittivity High ratio of puncture strength to flash over. Both 1 and 2 Low ratio of puncture strength to flash over. High relative permittivity High ratio of puncture strength to flash over. Both 1 and 2 Low ratio of puncture strength to flash over. ANSWER DOWNLOAD EXAMIANS APP
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