Power Systems When bundle conductor are used in place of single conductor the effective inductance and capacitance will respectively increase and decrease. decrease and remain unaffected. decrease and increase. increase and remain unaffected. increase and decrease. decrease and remain unaffected. decrease and increase. increase and remain unaffected. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If sag in an overhead line increase, tension in the line None of these remains same increase decrease None of these remains same increase decrease ANSWER DOWNLOAD EXAMIANS APP
Power Systems Capacitance voltage transformer ( CVT ) is used to reduce losses in a transmission line. none of these. connect instruments on the LT side. improve the power factor of the transmission. reduce losses in a transmission line. none of these. connect instruments on the LT side. improve the power factor of the transmission. 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 38.6 31.7 35.45 23.9 38.6 31.7 35.45 23.9 ANSWER DOWNLOAD EXAMIANS APP
Power Systems On a power system network the load is increasing represents the value of impedance remains constant. increase. decrease. none of above. remains constant. increase. decrease. none of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive (Z1), negative (Z2) and zero sequence (Z0) impedances of a transmission line follows the relation any of the above (Z1 = Z2) < Z0 (Z1 = Z2) > Z0 Z1 = Z2 = Z0 any of the above (Z1 = Z2) < Z0 (Z1 = Z2) > Z0 Z1 = Z2 = Z0 ANSWER DOWNLOAD EXAMIANS APP