Power Systems Buchholz relay is used for protection of alternator. transformer. none of these. bus bar. alternator. transformer. none of these. bus bar. ANSWER DOWNLOAD EXAMIANS APP
Power Systems On which one of the following cycles does a modern steam power plant work? Rankine cycle Otto cycle Bell-Coleman cycle Carnot cycle Rankine cycle Otto cycle Bell-Coleman cycle Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Power Systems The main objectives of electrical power transmission is/are nether 1 nor 2 Transmission system must be more efficient with minimum line losses Voltage regulation of the transmission line must be zero or minimum both 1 and 2 nether 1 nor 2 Transmission system must be more efficient with minimum line losses Voltage regulation of the transmission line must be zero or minimum both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
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 10 MW 80 MW 15 MW 20 MW 10 MW 80 MW 15 MW ANSWER DOWNLOAD EXAMIANS APP
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 reflected voltage? -18.18 kV 81.82 kV 18.18 kV -81.82 kV -18.18 kV 81.82 kV 18.18 kV -81.82 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems In nuclear power plants which material is/are used as coolant? liquid sodium beryllium All of these graphite liquid sodium beryllium All of these graphite ANSWER DOWNLOAD EXAMIANS APP
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