Power Systems In thermal power stations, economiser will both 2 and 3 reduce the thermal efficiency increase the thermal efficiency reduce the heat both 2 and 3 reduce the thermal efficiency increase the thermal efficiency reduce the heat ANSWER DOWNLOAD EXAMIANS APP
Power Systems Corona loss is ----------------- on hilly areas than as plain areas. remain same less more None of these remain same less more None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems For a 500 Hz frequency excitation, a 100 km long power line will be modelled as medium transmission line long transmission line shunt capacitor any of the above medium transmission line long transmission line shunt capacitor any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems The area under a flow duration curve represents total of units of energy available. total power available. maximum rate of run-off during the period. total quantity of run-off during that period. total of units of energy available. total power available. maximum rate of run-off during the period. total quantity of run-off during that period. ANSWER DOWNLOAD EXAMIANS APP
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? 9 MW 10 MW 5 MW 18 MW 9 MW 10 MW 5 MW 18 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the surge impedance of a line when inductance is 160 mH and capacitance is 1µF? 400 Ω 160 Ω 800 Ω 200 Ω 400 Ω 160 Ω 800 Ω 200 Ω ANSWER DOWNLOAD EXAMIANS APP