Power Systems A generating station has a maximum demand of 100 MW, a load factor of 60% and a plant capacity factor of 50%. The reserve capacity of the plant is 20 MW 15 MW 80 MW 10 MW 20 MW 15 MW 80 MW 10 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems The surge impedance of a 400 km long overhead transmission line is 420 Ω. For a 200 km length of the same line, the surge impedance will be 400 Ω 840 Ω 420 Ω 210 Ω 400 Ω 840 Ω 420 Ω 210 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems A coal fired steam power station working at a plant factor of 80% has one 500 MW generating unit. If the heat content of coal is 2 kWh/kg, the overall plant efficiency is 40% and a train load of coal is 2000 metric tons, then the number of trains required daily for the plant is 6 10 2 16 6 10 2 16 ANSWER DOWNLOAD EXAMIANS APP
Power Systems For variable heads of near about but less than 30 m, which type of turbines is used hydro power plant Pelton. None of above. Francis. Kaplan. Pelton. None of above. Francis. Kaplan. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In coal fired thermal power stations, what are the electrostatic precipitators used for? To collect the dust particles from the flue gases To keep the air heaters clean To remove dust particles setting on the bus bar conductors in the station switch yard All of these To collect the dust particles from the flue gases To keep the air heaters clean To remove dust particles setting on the bus bar conductors in the station switch yard All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠90° Ω, C = 0.5*10-6∠90° ℧. Find the no load receiving end voltage? 600 kV 320 kv 500 kV 400 kV 600 kV 320 kv 500 kV 400 kV ANSWER DOWNLOAD EXAMIANS APP
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