Power Systems The zero sequence current of a generator for line to ground fault is j3 pu. Then the current through the neutral during the fault is j3 pu j6 pu j1 pu j9 pu j3 pu j6 pu j1 pu j9 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The only place where slip ring induction motors used in thermal power plants is conveyors. coal handling plant. none of above. lubrication oil pumps. conveyors. coal handling plant. none of above. lubrication oil pumps. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a thermal power plant, which of its following components needs maximum maintenance attention Condenser. Boiler. Super heater. Steam turbine. Condenser. Boiler. Super heater. Steam turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A steam power generation has an overall efficiency of 20 %. 0.6 Kg of coal is burnt per kWh of electrical energy generated. Calculated the calorific value of fuel 7000 KCal / Kg. 7166.67 KCal / Kg. 7562 KCal / Kg. 7268.45 KCal / Kg. 7000 KCal / Kg. 7166.67 KCal / Kg. 7562 KCal / Kg. 7268.45 KCal / Kg. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speeds of Kaplan, Francis and Pelton turbines are in the decreasing order. the increasing order. None of these neither increasing nor decreasing order. the decreasing order. the increasing order. None of these neither increasing nor decreasing order. ANSWER DOWNLOAD EXAMIANS APP
Power Systems To protect the power transformer ( Y-Y with neutral grounded) against fault, which type of connection do the current transformers have? Y-Y connection Δ-Δ connection Y-Δ connection Δ-Y connection Y-Y connection Δ-Δ connection Y-Δ connection Δ-Y connection ANSWER DOWNLOAD EXAMIANS APP
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