Power Systems Condition for zero voltage regulation is tanφ = R/X cosφ = R/X cosφ = X/R tanφ = X/R tanφ = R/X cosφ = R/X cosφ = X/R tanφ = X/R ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the effects of corona charging current increases power loss decreases interference decreases All of these charging current increases power loss decreases interference decreases All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relays are used in protection of medium transmission lines? Admittance relays Mho relays Impedance relays any of the above Admittance relays Mho relays Impedance relays any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reflection coefficient of voltage is Rv (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 In hydro power stations what is an enlarged body of water just above the intake and used as a regulating reservoir called Penstock. Reservoir. Spillways. Fore bay. Penstock. Reservoir. Spillways. Fore bay. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following method is used for changing power factor from leading to lagging shunt capacitor shunt reactor series capacitor any of the above shunt capacitor shunt reactor series capacitor any of the above ANSWER DOWNLOAD EXAMIANS APP
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