Power Systems The per unit impedance of a circuit element is 0.30. If the base kV and base MVA are halved, then the new value of the per unit impedance of the circuit element will be 0.0060 0.0030 0.60 0.30 0.0060 0.0030 0.60 0.30 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The commercial sources of energy are wood, animal wastes and agricultural wastes. none of above. solar, wind, biomass. fossile fuels and radioactive substances. wood, animal wastes and agricultural wastes. none of above. solar, wind, biomass. fossile fuels and radioactive substances. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following material is not used as fuse element? Carbon. Copper. Aluminium. Silver. Carbon. Copper. Aluminium. Silver. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The pu parameters for a 500 MVA machine on its own base are: Inertia, H = 20 pu; reactance X = 2 pu. The pu values of inertia and reactance on 100 MVA common base, respectively, are 100, 10 4, 0.4 100, 0.4 4, 10 100, 10 4, 0.4 100, 0.4 4, 10 ANSWER DOWNLOAD EXAMIANS APP
Power Systems For transmission line which one of the following relation is true? AD + BC = 0 AD - BC = -1 AD - BC = 0 AD - BC = 1 AD + BC = 0 AD - BC = -1 AD - BC = 0 AD - BC = 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Condition for maximum voltage regulation cosφ = X/R cosφ = R/X tanφ = R/X tanφ = X/R cosφ = X/R cosφ = R/X tanφ = R/X tanφ = X/R ANSWER DOWNLOAD EXAMIANS APP
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