Power Systems A 10 MVA generator has reactance of 0.2 pu. Find the new reactance value for 50 MVA base? 1 pu 5 pu 0.2 pu 0.25 pu 1 pu 5 pu 0.2 pu 0.25 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Sum of the elements of row i equal to shunt admittances connected to bus i. If this summation is zero, indicates there is no mutual coupling None of these both 1 and 2 shunt admittance mutual coupling None of these both 1 and 2 shunt admittance ANSWER DOWNLOAD EXAMIANS APP
Power Systems At slack bus, which one of the following combinations of variables is not specified? P and V V and δ Q and V P and Q P and V V and δ Q and V P and Q ANSWER DOWNLOAD EXAMIANS APP
Power Systems When reactance grounding is used in network, the voltage between neutral and ground is 3×IR0 × Xn both 1 and 3 IR0 × Xn IN × Xn 3×IR0 × Xn both 1 and 3 IR0 × Xn IN × Xn ANSWER DOWNLOAD EXAMIANS APP
Power Systems Offset mho relay is used for the protection of equipment when either 1 or 2 failure of prime mover of the generator None of these loss of excitation of the generator either 1 or 2 failure of prime mover of the generator None of these loss of excitation of the generator ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power plants can generate power at unpredictable or uncontrollable time Pulverising unit. Cooling tower. Condenser. Wind turbine. Pulverising unit. Cooling tower. Condenser. Wind turbine. ANSWER DOWNLOAD EXAMIANS APP
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