Power Systems A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the incident current? 2500 A 250 A 100 A 200 A 2500 A 250 A 100 A 200 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of higher transmission voltage is/are Power transfer capability of the transmission line is increased Transmission line losses are reduced Area of cross section and volume of the conductor is reduced All of these Power transfer capability of the transmission line is increased Transmission line losses are reduced Area of cross section and volume of the conductor is reduced All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Deflectors are provided in Francis turbine. propeller turbine. Kaplan turbine. Pelton wheel. Francis turbine. propeller turbine. Kaplan turbine. Pelton wheel. 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 10 16 2 6 10 16 2 6 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Nuclear fission means combination of two light nuclei. breaking up of nuclear of heavy atoms into nearly equal parts. graphite. moderator. combination of two light nuclei. breaking up of nuclear of heavy atoms into nearly equal parts. graphite. moderator. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For harnessing low variable water heads, the suitable hydraulic turbine with reaction and adjustable vanes runners is Pelton Francis Impeller Kaplan Pelton Francis Impeller Kaplan ANSWER DOWNLOAD EXAMIANS APP
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