Power Systems Which of the following statements is/are true? Due to corona, charging current increases power loss increases All of these interference increases charging current increases power loss increases All of these interference increases ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following decides the insulation level of 400 kV, EHV line? skin effect switching over voltage lighting voltage radio interference skin effect switching over voltage lighting voltage radio interference ANSWER DOWNLOAD EXAMIANS APP
Power Systems If L and C are 4 mH and 0.0001 μF respectively a current chop of magnitude 50 Amp would induced a voltage 400 kV. 50 kV. 200 kV. 100 kV. 400 kV. 50 kV. 200 kV. 100 kV. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1- phase transmission line operating at 30 kV has radius of 1 cm and distance between conductors is 0.5 m. Assume m = δ =1, g = 21 kV/cm and frequency f = 50 Hz. Find the critical disruptive voltage? 41.075 kV/phase 17.32 kV/phase 82.15 kV/phase 34.64 kV/phase 41.075 kV/phase 17.32 kV/phase 82.15 kV/phase 34.64 kV/phase ANSWER DOWNLOAD EXAMIANS APP
Power Systems Generation of of one watt needs about ______________ fission per second 3.1 × 107. 3.1 × 1010. 3.1 × 106. 3.1. 3.1 × 107. 3.1 × 1010. 3.1 × 106. 3.1. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power plants can generate power at unpredictable or uncontrollable time Pulverising unit. Wind turbine. Condenser. Cooling tower. Pulverising unit. Wind turbine. Condenser. Cooling tower. ANSWER DOWNLOAD EXAMIANS APP
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