Power Systems Skin effective is more in case of same in both cases power lines communication lines None of these same in both cases power lines communication lines None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero sequence currents can flow from a line into a transformer bank if the windings are in star / grounded star. ground star / delta. delta / star. delta / delta. star / grounded star. ground star / delta. delta / star. delta / delta. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has surge impedance of 400 Ω, operating at Vs = Vr = 400 kV line is compensated with a shunt capacitance of 30%. The line is connected to a generator delivering 200 MW. Find the load angle with out and with compensation respectively? 45° and 26° 26° and 30° 30° and 26° 30° and 45° 45° and 26° 26° and 30° 30° and 26° 30° and 45° 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 35.45 38.6 23.9 31.7 35.45 38.6 23.9 31.7 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The total number of strands(N) is concentrically stranded cable with total annular space filled with strands of uniform diameter is given by (if x is number of layers) N = 3x²-6x+1 N = 3x²-3x+1 N = 3x²-2x+1 N = 3x²+3x+1 N = 3x²-6x+1 N = 3x²-3x+1 N = 3x²-2x+1 N = 3x²+3x+1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Making current is a------------ value? average RMS any of the above peak value average RMS any of the above peak value ANSWER DOWNLOAD EXAMIANS APP