Power Systems The Y bus matrix of 100 bus interconnected system is 90% sparse. Hence the number of transmission lines in the system must be 250 450 500 900 250 450 500 900 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The use of high speed circuit breakers decrease system stability. improves system stability. increased the short circuit current. reduces the short circuit current. decrease system stability. improves system stability. increased the short circuit current. reduces the short circuit current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The overall efficiency of a steam power plant equal to product of boiler efficiency, turbine efficiency and generator efficiency. the Rankine cycle. binary vapor cycle. regenerative cycle. product of boiler efficiency, turbine efficiency and generator efficiency. the Rankine cycle. binary vapor cycle. regenerative cycle. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line is compensated with shunt capacitance Csh. If the uncompensated transmission line surge impedance is Zs, then find the new surge impedance Zn after shunt compensation? All of these √(1 + Kcsh)/Zs Zs*√(1 + Kcsh) Zs/√(1 + Kcsh) All of these √(1 + Kcsh)/Zs Zs*√(1 + Kcsh) Zs/√(1 + Kcsh) ANSWER DOWNLOAD EXAMIANS APP
Power Systems Power transmission lines are transposed to reduce skin effect ferranti effect radio interference proximity effect skin effect ferranti effect radio interference proximity effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems Rankine cycle efficiency of a steam power plant is of 20 - 30 %. 30 - 45 %. 60 - 80 %. 45 - 80 %. 20 - 30 %. 30 - 45 %. 60 - 80 %. 45 - 80 %. ANSWER DOWNLOAD EXAMIANS APP