Power Systems The surge impedance of a 400 km long overhead transmission line is 420 Ω. For a 200 km length of the same line, the surge impedance will be 400 Ω 210 Ω 840 Ω 420 Ω 400 Ω 210 Ω 840 Ω 420 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems A moderator material should have may be any of the above. large atomic mass. small atomic mass. None of these may be any of the above. large atomic mass. small atomic mass. None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following method is used for changing power factor from leading to lagging shunt reactor shunt capacitor series capacitor any of the above shunt reactor shunt capacitor series capacitor any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following will take least time in starting from cold condition to full load operation Gas turbine plant. Thermal power plant. Hydro electric power plant. Nuclear power plant. Gas turbine plant. Thermal power plant. Hydro electric power plant. Nuclear power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive (Z1), negative (Z2) and zero sequence (Z0) impedances of a transmission line follows the relation (Z1 = Z2) > Z0 any of the above (Z1 = Z2) < Z0 Z1 = Z2 = Z0 (Z1 = Z2) > Z0 any of the above (Z1 = Z2) < Z0 Z1 = Z2 = Z0 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the number of strands of ACSR conductor for 3 layer transmission line? 1 19 29 7 1 19 29 7 ANSWER DOWNLOAD EXAMIANS APP
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