Power Systems A 100 Km long transmission line is loaded at 110 kV. If the loss of line is 5 MW and the load is 150 VA the resistance of the line is 8.06 Ω / phase. 6.06 Ω / phase. 2.26 Ω / phase. 4.65 Ω / phase. 8.06 Ω / phase. 6.06 Ω / phase. 2.26 Ω / phase. 4.65 Ω / phase. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Skin effective is more in case of same in both cases power lines None of these communication lines same in both cases power lines None of these communication lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems Keeping in view the cost and overall effectiveness, the following circuit breaker is best suited for capacitor bank switching? Oil CB. Air blast CB. SF6 CB. Vacuum CB. Oil CB. Air blast CB. SF6 CB. Vacuum CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power generating station has a maximum demand of 1000 MW. The annual load factor is 75% and plant capacity factor is 60%. Calculate the reserve capacity? 1250 MW 750 MW 250 MW 500 MW 1250 MW 750 MW 250 MW 500 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Power transmission lines are transposed to reduce ferranti effect proximity effect skin effect radio interference ferranti effect proximity effect skin effect radio interference ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where air circuit breakers are used? Up to 33 kV. Up to 66 kV. Up to 12 kV. Up to 11 kV. Up to 33 kV. Up to 66 kV. Up to 12 kV. Up to 11 kV. ANSWER DOWNLOAD EXAMIANS APP