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 31.7 23.9 38.6 35.45 31.7 23.9 38.6 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The arc voltage produced in an AC circuit breaker is always in phase opposition with the arc current. in phase with the arc current. leading the arc current by 90°. lagging the arc current by 90°. in phase opposition with the arc current. in phase with the arc current. leading the arc current by 90°. lagging the arc current by 90°. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In nuclear chain fission reaction each neutron causing fission produces no new neutron. less than one new neutron. at least one new neutron. one new neutron. no new neutron. less than one new neutron. at least one new neutron. one new neutron. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 400 kV power network, 360 kV is recorded at 400 kV bus. The reactive power absorbed by a shunt reactor for 50 MVAr, 400 kV connected at the bus is 45.0 MVAr. 55.56 MVAr. 40.5 MVAr. 61.73 MVAr. 45.0 MVAr. 55.56 MVAr. 40.5 MVAr. 61.73 MVAr. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For 66 kV lines the number of insulator discs of each 11 kV used are 5 6 12 3 5 6 12 3 ANSWER DOWNLOAD EXAMIANS APP
Power Systems If, for a given alternator in economic operation mode, the incremental cost is given by (0.012 P + 8) Rs/MWh, dPL/dP = 0.2 and plant λ = 25, then power generation is 750 MW 1250 MW 1000 MW 1500 MW 750 MW 1250 MW 1000 MW 1500 MW ANSWER DOWNLOAD EXAMIANS APP
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