Power Systems Which of the following decides the insulation level of 400 kV, EHV line? lighting voltage radio interference skin effect switching over voltage lighting voltage radio interference skin effect switching over voltage 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? 10 0.1 1000 0.001 10 0.1 1000 0.001 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ground capacitance existing between transmission line and ground is 4µF. Find the inductive reactance of the peterson coil for compensation of arcing grounds? 265.25 Ω 0.844 Ω 855.26 Ω 625.35 Ω 265.25 Ω 0.844 Ω 855.26 Ω 625.35 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Characteristics of arc quenching medium is/are All of these Non flammable High dielectric strength High thermal conductivity All of these Non flammable High dielectric strength High thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a pressurized water reactor water is used at high pressure so that it is available is liquid from at about 280° C. both B and C. heavy water is used as both coolant and moderator. the coolant water boils in the reactor core. water is used at high pressure so that it is available is liquid from at about 280° C. both B and C. heavy water is used as both coolant and moderator. the coolant water boils in the reactor core. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the incident current? 200 A 2500 A 250 A 100 A 200 A 2500 A 250 A 100 A ANSWER DOWNLOAD EXAMIANS APP
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