Power Systems Three generators rated 100 MVA, 11 kV have an impedance of 0.15 pu each. If in the same plant, these generators are being replaced by a single equivalent generator, the effective impedance of equivalent generator will be 0.25 pu 0.45 pu 0.15 pu 0.05 pu 0.25 pu 0.45 pu 0.15 pu 0.05 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems When is the ferranti effect on long overhead lines experienced? The line is heavily loaded The line is fully loaded The power factor is unity The line is lightly loaded The line is heavily loaded The line is fully loaded The power factor is unity The line is lightly loaded ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum efficiency of modern coal fired steam raising thermal power plants is restricted to about 035 (a low value), mainly because of low alternative efficiency. high energy loss from turbine exhaust to condenser. low steam turbine mechanical efficiency. high energy loss in boiler. low alternative efficiency. high energy loss from turbine exhaust to condenser. low steam turbine mechanical efficiency. high energy loss in boiler. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Rankine cycle efficiency of a steam power plant is of 60 - 80 %. 45 - 80 %. 20 - 30 %. 30 - 45 %. 60 - 80 %. 45 - 80 %. 20 - 30 %. 30 - 45 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a nuclear reactor, chain reactor is controlled by introducing iron rods. brass rods. cadmium rods. graphite rods. iron rods. brass rods. cadmium rods. graphite rods. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Steady state stability of a power system is improved by All of these using double circuit line instead of single circuit line single pole switching decreasing generator inertia All of these using double circuit line instead of single circuit line single pole switching decreasing generator inertia ANSWER DOWNLOAD EXAMIANS APP
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