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 reflected voltage? -81.82 kV 18.18 kV -18.18 kV 81.82 kV -81.82 kV 18.18 kV -18.18 kV 81.82 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a transformer is loaded, the secondary terminal voltage gains. That means power factor is leading. zero. lagging. unity. leading. zero. lagging. unity. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are made up of which material? silver any of the above copper silicon oxide silver any of the above copper silicon oxide ANSWER DOWNLOAD EXAMIANS APP
Power Systems A fuse wire of circular cross-section has a radius of 0.8 mm. The wire blows off at an current of 8 Amp. Calculate the radius of wire that will blow off at an current of 1 amp? 0.4 mm. 2 mm. 0.2 mm. 4 mm. 0.4 mm. 2 mm. 0.2 mm. 4 mm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal power station needs space less than that required by a gas turbine power plant of same output. less than that required by the diesel power station of same output. less than that required by atomic power station of the same output. less than that required by hydro-power station of same capacity. less than that required by a gas turbine power plant of same output. less than that required by the diesel power station of same output. less than that required by atomic power station of the same output. less than that required by hydro-power station of same capacity. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 layer and diameter of each strand is d, then find the total diameter of ACSR conductor? 3d 2d 5d d 3d 2d 5d d ANSWER DOWNLOAD EXAMIANS APP
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