Power Systems Which of the following statements is/are true regarding HVDC? HVDC can utilize earth for its return path There is no skin effect in dc line Corona loss is very much reduced in the dc line All of these HVDC can utilize earth for its return path There is no skin effect in dc line Corona loss is very much reduced in the dc line All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Characteristics of arc quenching medium is/are High thermal conductivity Non flammable All of these High dielectric strength High thermal conductivity Non flammable All of these High dielectric strength ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ratio of reset to pick up current for an induction cup relay is approximately 1.0. 0.99. 0.75. 1.35. 1.0. 0.99. 0.75. 1.35. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 layer and diameter of each strand is d, then find the total diameter of ACSR conductor? 2d 3d 5d d 2d 3d 5d d ANSWER DOWNLOAD EXAMIANS APP
Power Systems To reduce the radio interference which line is/are transposed? either 1 or 2 Both power and telecommunication lines None of these Power line either 1 or 2 Both power and telecommunication lines None of these Power line ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string type insulator has three units with self capacitance C and ground capacitance of 0.2 C having a string efficiency of 76% 78% 82% 80% 76% 78% 82% 80% ANSWER DOWNLOAD EXAMIANS APP