Power Systems Maximum power capacity of a transmission line can be increased by decreasing reactance value nether 1 nor 2 increasing voltage level either 1 or 2 decreasing reactance value nether 1 nor 2 increasing voltage level either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In kaplan runner, the number of blades is generally of the order of 1 - 2. 3 - 6. 16 - 24. 12 - 16. 1 - 2. 3 - 6. 16 - 24. 12 - 16. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Keeping in view the cost and overall effectiveness, the following circuit breaker is suited for capacitor bank switching oil. vacuum. SF6. air blast. oil. vacuum. SF6. air blast. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 200 MVA alternator operated at no load at frequency of 50 Hz, it has inertia constant of 5 MWsec/MVA and governing system has a time delay of 0.6 sec. If the load of 50 MW is suddenly applied then find the frequency deviation during this time? -0.85 Hz -0.76 Hz 0.85 Hz 0.76 Hz -0.85 Hz -0.76 Hz 0.85 Hz 0.76 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line is compensated with shunt capacitance Csh. If the uncompensated transmission line surge impedance is Zs, then find the new surge impedance Zn after shunt compensation? Zs/√(1 + Kcsh) Zs*√(1 + Kcsh) √(1 + Kcsh)/Zs All of these Zs/√(1 + Kcsh) Zs*√(1 + Kcsh) √(1 + Kcsh)/Zs All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Alternate formation and breakage of bubbles are called All of these surgfication. water hamming. cavitations. All of these surgfication. water hamming. cavitations. ANSWER DOWNLOAD EXAMIANS APP
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