Power Systems Transmission lines are transposed to reduce proximity effect interference with neighbouring communication lines ferranti effect skin effect proximity effect interference with neighbouring communication lines ferranti effect skin effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems Keeping in view the cost and overall effectiveness, the following circuit breaker is suited for capacitor bank switching oil. SF6. vacuum. air blast. oil. SF6. vacuum. air blast. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is 55 kA. 35 kA. 50 kA. 45 kA. 55 kA. 35 kA. 50 kA. 45 kA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase, 110 kV coaxial XLPE insulated power cable delivering power at 50 Hz, has a capacitance of 125 nF/km. If the dielectric loss tangent of XLPE is 2*10^-4, then dielcetric power loss in this cable in W/km/phase is 31.7 23.9 38.6 35.45 31.7 23.9 38.6 35.45 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Storage requirement can be determined from both B and C. hydro-graph. flow duration curve. mass Curve. both B and C. hydro-graph. flow duration curve. mass Curve. 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