Power Systems Maximum power transfer in a transmission line can be obtained by None of these increasing voltage level reducing reactance either 1 or 2 None of these increasing voltage level reducing reactance either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following represents the sag(S) of a transmission line? S = wl²/8T S = wl²/2T S = wl²/16T S = wl²/4T S = wl²/8T S = wl²/2T S = wl²/16T S = wl²/4T ANSWER DOWNLOAD EXAMIANS APP
Power Systems Oxide film arrestor has which of the following properties? It is expensive. Installed at points of transmission line where daily visit is difficult. Does not require daily charging. Both A and B. It is expensive. Installed at points of transmission line where daily visit is difficult. Does not require daily charging. Both A and B. ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a transformer is loaded, the secondary terminal voltage gains. That means power factor is unity. lagging. zero. leading. unity. lagging. zero. leading. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Condition for zero voltage regulation is cosφ = X/R tanφ = R/X tanφ = X/R cosφ = R/X cosφ = X/R tanφ = R/X tanφ = X/R cosφ = R/X ANSWER DOWNLOAD EXAMIANS APP
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 0.0030 0.0060 0.60 0.30 0.0030 0.0060 0.60 0.30 ANSWER DOWNLOAD EXAMIANS APP
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