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
Power Systems A CT is connected in ___________________ with the line. series. not connected. across. both A and B. series. not connected. across. both A and B. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Frequencies must be same in which of the following line to exchange the power from one place to other place ? both 1 and 2 No need of same frequency for exchange of power Synchronous line Asynchronous line both 1 and 2 No need of same frequency for exchange of power Synchronous line Asynchronous line ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relays is/are unit protection relays? Differential relays over current relays Buccholz relays both 1 and 2 Differential relays over current relays Buccholz relays both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems For variable heads of near about but less than 30 meters, which type of turbine is used in hydro power station? None of these Francis Kaplan Pelton None of these Francis Kaplan Pelton ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ground capacitance existing between transmission line and ground is 4µF. Find the inductive reactance of the peterson coil for compensation of arcing grounds? 0.844 Ω 265.25 Ω 855.26 Ω 625.35 Ω 0.844 Ω 265.25 Ω 855.26 Ω 625.35 Ω ANSWER DOWNLOAD EXAMIANS APP
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