Power Systems For 66 kV lines the number of insulator discs of each 11 kV used are 12 3 5 6 12 3 5 6 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The surge impedance of a 400 km long overhead transmission line is 420 Ω. For a 200 km length of the same line, the surge impedance will be 840 Ω 210 Ω 400 Ω 420 Ω 840 Ω 210 Ω 400 Ω 420 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the characteristic impedance of a transmission line, if impedance is 16 Ω and admittance is 0.1 m℧? 400 Ω 320 Ω 200 Ω 160 Ω 400 Ω 320 Ω 200 Ω 160 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Oxide film arrestor has which of the following properties? Both A and B. Does not require daily charging. Installed at points of transmission line where daily visit is difficult. It is expensive. Both A and B. Does not require daily charging. Installed at points of transmission line where daily visit is difficult. It is expensive. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power plants can generate power at unpredictable or uncontrollable time Wind turbine. Condenser. Cooling tower. Pulverising unit. Wind turbine. Condenser. Cooling tower. Pulverising unit. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the inertia constant H = 8 MJ/MVA for a 50 MVA generator, the stored energy is 8 MJ 400 MJ 50 MJ 200 MJ 8 MJ 400 MJ 50 MJ 200 MJ ANSWER DOWNLOAD EXAMIANS APP
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