Power Systems Transmission lines are transposed to reduce skin effect proximity effect ferranti effect interference with neighbouring communication lines skin effect proximity effect ferranti effect interference with neighbouring communication lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems One fission of U235 releases energy of 435 MeV. 335 MeV. 525 MeV. 200 MeV. 435 MeV. 335 MeV. 525 MeV. 200 MeV. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠90° Ω, C = 0.5*10^-6∠90° ℧. Find the shunt reactor required for compensating ferranti effect? 1500 Ω 2000 Ω 500 Ω 3000 Ω 1500 Ω 2000 Ω 500 Ω 3000 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Length of short transmission line is up to 150 km 40 km 80 km any of the above 150 km 40 km 80 km any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems A cable has inductance of 0.22 mH per km and capacitance of 0.202 µF per km. The surge impedance of the cable is 33 Ω 28 Ω 52 Ω 40 Ω 33 Ω 28 Ω 52 Ω 40 Ω 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 10 0.001 1000 0.1 10 0.001 1000 ANSWER DOWNLOAD EXAMIANS APP