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 35.45 38.6 31.7 23.9 35.45 38.6 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Uses of diesel power stations All of these peak load plant. emergency plants. standby plants. All of these peak load plant. emergency plants. standby plants. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The method of neutral grounding affects the zero sequence network negative sequence network All of these positive sequence network zero sequence network negative sequence network All of these positive sequence network ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where the voltage is high and current to be interrupted is low, Which of following the breaker is preferable? Any of these. Vacuum CB. Air blast CB. Oil CB. Any of these. Vacuum CB. Air blast CB. Oil CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ratio of reset to pick up current for an induction cup relay is approximately 0.99. 1.0. 0.75. 1.35. 0.99. 1.0. 0.75. 1.35. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The fact that current density is higher at the surface when compared to centre is known as skin effect carona proximity effect All of these skin effect carona proximity effect All of these ANSWER DOWNLOAD EXAMIANS APP