Power Systems A string insulator has 4 units. The voltage across bottom most unit is 10 kV and its efficiency is 90%. Find the total operating phase voltage? 45 kV 32 kV 40 kV 36 kV 45 kV 32 kV 40 kV 36 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Nuclear power plant are used as intermediate load plants. base load plants. none of above. peak load plants. intermediate load plants. base load plants. none of above. peak load plants. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive sequence reactance will be equal to negative sequence if the equipment is none of these. transformer and transmission lines. generator. motor. none of these. transformer and transmission lines. generator. motor. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The conductor of a 10 Km long single phase, two wire line are separated by a distance of 1.5 m the diameter of each conductor the inductance of the circuit is 21.2 mH. 23.8 mH. 23.33 mH. 25.8 mH. 21.2 mH. 23.8 mH. 23.33 mH. 25.8 mH. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has self and mutual impedances of 0.8 pu and 0.2 pu. Find the positive, negative and zero sequence impedances respectively? 0.8, 0.6 and 1.2 pu 0.8, 0.8 and 1.2 pu 0.6, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.8, 0.6 and 1.2 pu 0.8, 0.8 and 1.2 pu 0.6, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Stock bridge dampers are used in case hill areas to over come the which problem? unequal ice loading increase power factor All of these increase string efficiency unequal ice loading increase power factor All of these increase string efficiency ANSWER DOWNLOAD EXAMIANS APP