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 0.05 pu 0.45 pu 0.15 pu 0.25 pu 0.05 pu 0.45 pu 0.15 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following produces the radio interference in communication lines? electro magnetic induction None of these both 1 and 2 electro static induction electro magnetic induction None of these both 1 and 2 electro static induction ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following power plants will take long period in erection and installation Thermal. Gas turbine. Hydro Power Plant Nuclear. Thermal. Gas turbine. Hydro Power Plant Nuclear. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power station plant load factor is defined as the ratio of minimum load to average load the energy generated to that of maximum energy that could have been generated minimum load to peak load average load to the peak load minimum load to average load the energy generated to that of maximum energy that could have been generated minimum load to peak load average load to the peak load ANSWER DOWNLOAD EXAMIANS APP
Power Systems The radiation shield for a nuclear power reactor for biological safety is provided by having the reactor encased by thick concrete wall. encased thick metal wall. immersed in water pool. isolated from outside word with strong magnetic field. encased by thick concrete wall. encased thick metal wall. immersed in water pool. isolated from outside word with strong magnetic field. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 500/5. The plug setting multiplier for a fault current of 5 kA is 6 2 5 8 6 2 5 8 ANSWER DOWNLOAD EXAMIANS APP