Power Systems Offset mho relay is used for the protection of equipment when either 1 or 2 loss of excitation of the generator failure of prime mover of the generator None of these either 1 or 2 loss of excitation of the generator failure of prime mover of the generator None of these 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? 9.81 kW 4.45 kW 2.90 kW 19.60 kW 9.81 kW 4.45 kW 2.90 kW 19.60 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Isolator in sub station is open under ------------- condition? any of the above short circuit no load full load any of the above short circuit no load full load ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the approximate efficiency of a normal thermal power station? 45-55% 60-70% 30-40% 20-25% 45-55% 60-70% 30-40% 20-25% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where is the draft tube of a hydroelectric plant that is an airtight pipe located In between the penstock and runner. Near the surge tank. In between the runner exhaust and the tail race. At the beginning of the penstock. In between the penstock and runner. Near the surge tank. In between the runner exhaust and the tail race. At the beginning of the penstock. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Earth fault relay uses the which of the following sequence currents? zero sequence positive sequence negative sequence any of the above zero sequence positive sequence negative sequence any of the above ANSWER DOWNLOAD EXAMIANS APP
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