Power Systems In a 400 kV power network, 360 kV is recorded at 400 kV bus. The reactive power absorbed by a shunt reactor for 50 MVAr, 400 kV connected at the bus is 55.56 MVAr. 45.0 MVAr. 40.5 MVAr. 61.73 MVAr. 55.56 MVAr. 45.0 MVAr. 40.5 MVAr. 61.73 MVAr. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following transformer is used in sub station for operating a protective relay? capacitor voltage transformer auto transformer All of these distribution transformer capacitor voltage transformer auto transformer All of these distribution transformer ANSWER DOWNLOAD EXAMIANS APP
Power Systems Radio interference occur in telecommunication line due to electro magnetic induction electro static induction nether 1 nor 2 both 1 and 2 electro magnetic induction electro static induction nether 1 nor 2 both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A pin type insulator has 100 kV puncture voltage. If 10 kV flash over voltage occurred in a transmission line, then find the safety factor of insulator? 0.1 1000 0.001 10 0.1 1000 0.001 10 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Characteristics of arc quenching medium is/are High thermal conductivity Non flammable High dielectric strength All of these High thermal conductivity Non flammable High dielectric strength All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ferranti effect occurs under no load any of the above half load full load no load any of the above half load full load ANSWER DOWNLOAD EXAMIANS APP
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