Power Systems Skin effect depends on frequency relative permeability All of these conductivity frequency relative permeability All of these conductivity ANSWER DOWNLOAD EXAMIANS APP
Power Systems The characteristic impedance of a transmission on line is Directly proportional to its length. Independent of its length. Directly proportional to square root of its length. Inversely proportional to its length. Directly proportional to its length. Independent of its length. Directly proportional to square root of its length. Inversely proportional to its length. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The annual depreciation of hydro power plant is about 15 - 20 %. 20 - 25 %. 10 - 15 %. 0.5 - 1.5 %. 15 - 20 %. 20 - 25 %. 10 - 15 %. 0.5 - 1.5 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which one of the following relays has the capability of anticipating the possible major fault in a transformer? Buchholz relay Over fluxing relay Differential relay Over current relay Buchholz relay Over fluxing relay Differential relay Over current relay ANSWER DOWNLOAD EXAMIANS APP
Power Systems What are the methods of laying underground cables? Both A and B. Direct laying. None of these. Draw - in - system / duct - pipe laying. Both A and B. Direct laying. None of these. Draw - in - system / duct - pipe laying. ANSWER DOWNLOAD EXAMIANS APP
Power Systems When bundle conductor are used in place of single conductor the effective inductance and capacitance will respectively decrease and increase. increase and decrease. increase and remain unaffected. decrease and remain unaffected. decrease and increase. increase and decrease. increase and remain unaffected. decrease and remain unaffected. ANSWER DOWNLOAD EXAMIANS APP