Power Systems A thermal power station needs space less than that required by hydro-power station of same capacity. less than that required by atomic power station of the same output. less than that required by the diesel power station of same output. less than that required by a gas turbine power plant of same output. less than that required by hydro-power station of same capacity. less than that required by atomic power station of the same output. less than that required by the diesel power station of same output. less than that required by a gas turbine power plant of same output. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The presence of earth in case of overhead lines decrease capacitance decrease inducatance increase capacitance increase inductance decrease capacitance decrease inducatance increase capacitance increase inductance ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power system network has n nodes, Z33 of its bus impedance matrix is j0.5 pu. The voltage at node 3 is 1.3∠ -10°. If capacitor is having reactance of -j3.5 pu is now added to the network between node 3 and reference node, the current drawn by the capacitor in pu is 0.725∠ 80° 0.433∠ 80° 0.371∠ -100° 0.325∠ -100° 0.725∠ 80° 0.433∠ 80° 0.371∠ -100° 0.325∠ -100° ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a line is increased by which of the following compensation methods? series capacitor shunt reactor shunt capacitor both 1 and 2 series capacitor shunt reactor shunt capacitor both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal power plant is being supplied with coal having much more ash content than that for which it was designed. Which of its following units needs major modifications Ash handling unit. Pulversing unit. Condenser. Cooling tower. Ash handling unit. Pulversing unit. Condenser. Cooling tower. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following matrix is used for load flow studies? null matrix Y bus matrix Z bus matrix Unit matrix null matrix Y bus matrix Z bus matrix Unit matrix ANSWER DOWNLOAD EXAMIANS APP
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