Power Systems Which of the following represents the transmission or reflection coefficient of voltage Tv? (Zl = Surge impedance of load, Zs = Surge impedance of line) 2Zl/(Zs + Zl) (Zs - Zl)/(Zs + Zl) (Zl - Zs)/(Zs + Zl) 2Zs/(Zs + Zl) 2Zl/(Zs + Zl) (Zs - Zl)/(Zs + Zl) (Zl - Zs)/(Zs + Zl) 2Zs/(Zs + Zl) ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a reactance of 1 Pu is operating at Vs = Vr = 1 Pu. The generator is connected at source end which is delivering 0.5 Pu of active power and the transmission line is compensated with a series capacitance of 0.5 Pu. Find the load angle with series capacitance compensation ? 10.5° 35.5° 14.5° 29° 10.5° 35.5° 14.5° 29° ANSWER DOWNLOAD EXAMIANS APP
Power Systems In coal fired thermal power stations, what are the electrostatic precipitators used for? To keep the air heaters clean To collect the dust particles from the flue gases To remove dust particles setting on the bus bar conductors in the station switch yard All of these To keep the air heaters clean To collect the dust particles from the flue gases To remove dust particles setting on the bus bar conductors in the station switch yard All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A loss less transmission line having surge impedance loading (SIL) of 2280 MW is provided with a uniformly distributed series capacitive compensation of 30 %. Then SIL of compensated transmission line will be 3257 MW. 1835 MW. 2280 MW. 2725 MW. 3257 MW. 1835 MW. 2280 MW. 2725 MW. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a nuclear reator thermal energy is obtained from fission of radioactive material. all of above. fusion of radioactive material. burning of fuel rods in oxygen. fission of radioactive material. all of above. fusion of radioactive material. burning of fuel rods in oxygen. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The only place where slip ring induction motors used in thermal power plants is coal handling plant. none of above. conveyors. lubrication oil pumps. coal handling plant. none of above. conveyors. lubrication oil pumps. ANSWER DOWNLOAD EXAMIANS APP
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