Power Systems Which of the following is/are the methods of improving transient stability? Fast acting excitation control Dynamic breaking Fast acting governing system All of these Fast acting excitation control Dynamic breaking Fast acting governing system All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems In hydroelectric power plants both operating and initial cost are high. both operating and initial cost are low. operating cost is low and initial cost is high. operating cost is high and initial cost is low. both operating and initial cost are high. both operating and initial cost are low. operating cost is low and initial cost is high. operating cost is high and initial cost is low. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relationships are not valid for short transmission lines All of these B = C = Z Is = Ir A = D = 1 All of these B = C = Z Is = Ir A = D = 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Location of a surge tank, in an hydro electric power station is near reservoir. turbine. tail race. dam. reservoir. turbine. tail race. dam. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Counter poise is used for proper discharging of lighting surges less surge impedance more surge impedance reduce losses proper discharging of lighting surges less surge impedance more surge impedance reduce losses ANSWER DOWNLOAD EXAMIANS APP
Power Systems The corona loss on a particular system at 60 Hz is 1 kW/km per phase. What is the corona loss at 50 Hz in kW/km per phase? 1.13 0.882 1 0.93 1.13 0.882 1 0.93 ANSWER DOWNLOAD EXAMIANS APP
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