Power Systems Reflection coefficient of voltage is Rv (Zl - Zs)/(Zs + Zl) 2Zs/(Zs + Zl) 2Zl/(Zs + Zl) (Zs - Zl)/(Zs + Zl) (Zl - Zs)/(Zs + Zl) 2Zs/(Zs + Zl) 2Zl/(Zs + Zl) (Zs - Zl)/(Zs + Zl) ANSWER DOWNLOAD EXAMIANS APP
Power Systems The draw back of NR method as compare to Gauss-Seidel method is/are? large requirement of computer memory both 1 and 2 None of these large number of iterations large requirement of computer memory both 1 and 2 None of these large number of iterations ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generated station has a maximum demand of 30 MW, a load factor of 60% and a plant capacity factor of 50%. The reserve capacity of the plant is 12 MW 5 MW 10 MW 6 MW 12 MW 5 MW 10 MW 6 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Breaking current is a ------------------ value? maximum average any of the above RMS maximum average any of the above RMS ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where the voltage is high and current to be interrupted is low, Which of following the breaker is preferable? Vacuum CB. Any of these. Air blast CB. Oil CB. Vacuum CB. Any of these. Air blast CB. Oil CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The voltage and current instantaneous values are given as 5 sin (ωt + 30°) pu and 2 sin (ωt - 15°) pu respectively. Find the per unit active power? 7 pu 5 pu 3.535 pu 5.353 pu 7 pu 5 pu 3.535 pu 5.353 pu ANSWER DOWNLOAD EXAMIANS APP