Power Systems A thermal protection relay provides protection against what? any of the above Over load Short circuit Temperature any of the above Over load Short circuit Temperature ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power planets is the least reliable Tidal. Geothermal. Solar. Wind. Tidal. Geothermal. Solar. Wind. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The water from a catchment is 60*106 cu m annually and hydro station has head of 40 m. Assuming ideal generator and turbine, the power that can be theoretically generated is 300 kW 250 kW 500 kW 750 kW 300 kW 250 kW 500 kW 750 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ABCD constants of a 3-phase transmission line are A = D = 0.8∠1°, B = 170∠85° Ω , C = 0.002∠90.4° ℧. The sending end voltage is 400 kV. The receiving end voltage under no load condition is 500 kV 350 kV 400 kV 600 kV 500 kV 350 kV 400 kV 600 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems The draft tube is provided to raise the water surface of the stream to create an artificial head. None of these increase the acting head on the water wheel. reduce the effect of water hammer. raise the water surface of the stream to create an artificial head. None of these increase the acting head on the water wheel. reduce the effect of water hammer. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal power plant is being supplied with coal having much more ash content than that for which it was designed. Which of its following units needs major modifications Ash handling unit. Pulversing unit. Cooling tower. Condenser. Ash handling unit. Pulversing unit. Cooling tower. Condenser. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS