Power Systems For harnessing low variable water heads, the suitable hydraulic turbine with reaction and adjustable vanes runners is Impeller Francis Kaplan Pelton Impeller Francis Kaplan Pelton ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has surge impedance of 400 Ω, operating at Vs = Vr = 400 kV line is compensated with a shunt capacitance of 30%. Find the surge impedance loading with compensation? 456 MW 478 MW 400 MW 386 MW 456 MW 478 MW 400 MW 386 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems In coal fired thermal power stations, what are the electrostatic precipitators used for? To remove dust particles setting on the bus bar conductors in the station switch yard To collect the dust particles from the flue gases All of these To keep the air heaters clean To remove dust particles setting on the bus bar conductors in the station switch yard To collect the dust particles from the flue gases All of these To keep the air heaters clean ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line has its conductors at the corners of an equilateral triangle with side 3m. The diameter of each conductor is 1.63 cm. The inductance of the line per phase per km is 1.182 mH 1.093 mH 1.043 mH 1.232 mH 1.182 mH 1.093 mH 1.043 mH 1.232 mH ANSWER DOWNLOAD EXAMIANS APP
Power Systems An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 400/5. The pick up value is 10 A 12.5 A 6.25 A 15 A 10 A 12.5 A 6.25 A 15 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following frequency control method tie line may be overloaded? flat tie line control flat frequency control All of these parallel frequency flat tie line control flat frequency control All of these parallel frequency ANSWER DOWNLOAD EXAMIANS APP
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