Power Systems A moderator material should have small atomic mass. may be any of the above. large atomic mass. None of these small atomic mass. may be any of the above. large atomic mass. None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems To protect the power transformer ( Y-Y with neutral grounded) against fault, which type of connection do the current transformers have? Δ-Δ connection Y-Δ connection Δ-Y connection Y-Y connection Δ-Δ connection Y-Δ connection Δ-Y connection Y-Y connection ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 core cable gives on test a capacitance of 3.7 µF between two cores. Find the line charging current of the cable when it is connected to 11 kV, 50 Hz system? 14.7 mA. 14.76 A. 1.476 A. 1 A. 14.7 mA. 14.76 A. 1.476 A. 1 A. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In Rankine cycle, the work output from a turbine is given by change of entropy between inlet and outlet. change in internal energy between inlet and outlet. change of enthalpy between inlet and outlet. change in temperature between inlet and outlet. change of entropy between inlet and outlet. change in internal energy between inlet and outlet. change of enthalpy between inlet and outlet. change in temperature between inlet and outlet. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Galvanised steel is generally used as All of these stray wire. earth wire. structural components. All of these stray wire. earth wire. structural components. 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) (Zs - Zl)/(Zs + Zl) 2Zl/(Zs + Zl) (Zl - Zs)/(Zs + Zl) 2Zs/(Zs + Zl) (Zs - Zl)/(Zs + Zl) 2Zl/(Zs + Zl) (Zl - Zs)/(Zs + Zl) 2Zs/(Zs + Zl) ANSWER DOWNLOAD EXAMIANS APP