Power Systems A generated station has a maximum demand of 30 MW, a load factor of 60% and a plant capacity factor of 50%. The reserve capacity of the plant is 5 MW 10 MW 6 MW 12 MW 5 MW 10 MW 6 MW 12 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydraulic turbine having rated speed of 250 rpm is connected to a synchronous generator. In order to produce power at 50 Hz, the numbers of pole are required in the generator 24. 16. 12. 6. 24. 16. 12. 6. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Proximity effect is more in case of power cables same in both cases None of these over head lines power cables same in both cases None of these over head lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems In relay coil which is used? Potential transformer. Current transformer. Power transformer. Instrument transformer. Potential transformer. Current transformer. Power transformer. Instrument transformer. ANSWER DOWNLOAD EXAMIANS APP
Power Systems On what factors does the selection of a water turbine depend Speed. All of above. Working head. Nature of load. Speed. All of above. Working head. Nature of load. 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? 36 kV 45 kV 40 kV 32 kV 36 kV 45 kV 40 kV 32 kV ANSWER DOWNLOAD EXAMIANS APP