Power Systems The insulation of the modern EHV lines is designed based on R × I. the lighting voltage. the switch voltage. corona. R × I. the lighting voltage. the switch voltage. corona. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following generating plants has the minimum operating cost Hydroelectric plant. Diesel plant. Nuclear plant. Steam plant. Hydroelectric plant. Diesel plant. Nuclear plant. Steam plant. 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? 100 A 250 A 2500 A 200 A 100 A 250 A 2500 A 200 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems What are the tests performed for oil-filled and gas-filled cables ? Impulse tests. Thermal stability test. Load cycle tests. All of these. Impulse tests. Thermal stability test. Load cycle tests. All of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power station has a maximum demand of 15000 kW. The annual load factor is 50% and plant capacity factor is 40%. What is the reserve capacity of the plant? 3750 kW 3000 kW 7500 kW 6000 kW 3750 kW 3000 kW 7500 kW 6000 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems The skin effect shows that the distribution of AC current is uniform through the cross section of the conductor current density is more at the centre of the condutor current density is more at the surface of the condutor current density is lower at the surface of the condutor the distribution of AC current is uniform through the cross section of the conductor current density is more at the centre of the condutor current density is more at the surface of the condutor current density is lower at the surface of the condutor ANSWER DOWNLOAD EXAMIANS APP
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