Power Systems A thermal generating station has an installed capacity of 15 MW and supplies a daily load of 10 MW for 12 hours and 5 MW for remaining 12 hours. If the load factor is 0.8. Find the reserve capacity of the station? 10 MW 5 MW 18 MW 9 MW 10 MW 5 MW 18 MW 9 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1-phase transmission line has an impedance (4 + 3j ) Ω. Find the power factor of the load for zero voltage regulation? 0.6 lead 0.6 lag 0.8 lag 0.8 lead 0.6 lead 0.6 lag 0.8 lag 0.8 lead ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pumped storage plant is a peak load plant base load plant both 1 and 2 None of these peak load plant base load plant both 1 and 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The maximum efficiency of modern coal fired steam steam raising thermal power plants is restricted to about 0.35( a low value), mainly because of low alternator efficiency high energy loss in condenser high energy loss in boilers low steam turbine mechanical efficiency low alternator efficiency high energy loss in condenser high energy loss in boilers low steam turbine mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
Power Systems Taking the density of water to be 1000 kg/m³, how much power would be developed by a hydro electric generator unit, assume 100% efficiency, with 1 m head and 1 m³/s discharge? 19.60 kW 4.45 kW 9.81 kW 2.90 kW 19.60 kW 4.45 kW 9.81 kW 2.90 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems What will be the ratio of the C.T. on the H.V side of a 3 - φ star / delta 33 / 11 kV transformer if the protecting CT on the LV side has a ratio of 300 : 5 ? 120 : 6 / √3. 200 : 5 / √3. 150 : 4 / √3. 100 : 5 / √3. 120 : 6 / √3. 200 : 5 / √3. 150 : 4 / √3. 100 : 5 / √3. ANSWER DOWNLOAD EXAMIANS APP
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