Power Systems An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 500/5. The plug setting multiplier for a fault current of 5 kA is 5 2 8 6 5 2 8 6 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The draft tube is provided to 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. raise the water surface of the stream to create an artificial head. None of these increase the acting head on the water wheel. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit value of a 2 ohm resistor at 100 MVA and 10 kV base voltage is 4 pu 0.5 pu 2 pu 0.2 pu 4 pu 0.5 pu 2 pu 0.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Half life is defined as the time required for full of atoms in a specimen disintegrate. none of above. the time required for one half of isotope to decay. the time required to spiliting of a heavy nucleus. the time required for full of atoms in a specimen disintegrate. none of above. the time required for one half of isotope to decay. the time required to spiliting of a heavy nucleus. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a steam power plant, the feed water coming to the economizer is heated plant the feed water coming to the economizer is heated using HP steam. flue gas. direct heat in the furnace. LP steam. HP steam. flue gas. direct heat in the furnace. LP steam. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the surge impedance of a line when inductance is 160 mH and capacitance is 1µF? 160 Ω 400 Ω 200 Ω 800 Ω 160 Ω 400 Ω 200 Ω 800 Ω ANSWER DOWNLOAD EXAMIANS APP