Power Systems Which of the following represents the transmission or reflection coefficient of voltage Tv? (Zl = Surge impedance of load, Zs = Surge impedance of line) (Zs - Zl)/(Zs + Zl) 2Zs/(Zs + Zl) 2Zl/(Zs + Zl) (Zl - Zs)/(Zs + Zl) (Zs - Zl)/(Zs + Zl) 2Zs/(Zs + Zl) 2Zl/(Zs + Zl) (Zl - Zs)/(Zs + Zl) ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are used for All of these protection of equipment from open circuits protection of equipment from external lightning protection of equipment from short circuits All of these protection of equipment from open circuits protection of equipment from external lightning protection of equipment from short circuits ANSWER DOWNLOAD EXAMIANS APP
Power Systems The term self GMD is used to calculate capacitance both 1 and 2 resistance inductance capacitance both 1 and 2 resistance inductance ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relationships are not valid for short transmission lines A = D = 1 Is = Ir B = C = Z All of these A = D = 1 Is = Ir B = C = Z All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Buchholz relay is used for protection of alternator. transformer. bus bar. none of these. alternator. transformer. bus bar. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Breaking current is a ------------------ value? maximum any of the above average RMS maximum any of the above average RMS ANSWER DOWNLOAD EXAMIANS APP