Power Systems In a long transmission line, if we increase the length of the line, the parameters A and B respectively increases and increases increases and decreases decreases and increases decreases and decreases increases and increases increases and decreases decreases and increases decreases and decreases ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which one of the following relays has the capability of anticipating the possible major fault in a transformer? Differential relay Buchholz relay Over current relay Over fluxing relay Differential relay Buchholz relay Over current relay Over fluxing relay ANSWER DOWNLOAD EXAMIANS APP
Power Systems In case of failure of prime mover of the generator, which type of relay is used? offset mho relay impedance relay distance relays reverse power relay offset mho relay impedance relay distance relays reverse power relay ANSWER DOWNLOAD EXAMIANS APP
Power Systems A sort line with R/X ratio 1, the zero regulation is obtained when the power factor of the load is 0 leading unity 0.5 0.707 leading 0 leading unity 0.5 0.707 leading ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generating station which has a high investment cost and low operating cost is usually operated as a None of above. Minimum load station. Base load station. Peak load station. None of above. Minimum load station. Base load station. Peak load station. ANSWER DOWNLOAD EXAMIANS APP
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) (Zl - Zs)/(Zs + Zl) (Zs - Zl)/(Zs + Zl) 2Zs/(Zs + Zl) 2Zl/(Zs + Zl) (Zl - Zs)/(Zs + Zl) (Zs - Zl)/(Zs + Zl) 2Zs/(Zs + Zl) 2Zl/(Zs + Zl) ANSWER DOWNLOAD EXAMIANS APP