Power Systems When a transformer is loaded, the secondary terminal voltage gains. That means power factor is lagging. zero. unity. leading. lagging. zero. unity. leading. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal protection relay provides protection against what? Short circuit Temperature Over load any of the above Short circuit Temperature Over load any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a regenerative cycle, feed water is heated by drained steam from turbine. heaters. all of above. exhaust gas. drained steam from turbine. heaters. all of above. exhaust gas. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following transmission line is most practically used in load flow analysis? Nominal ∏ either 1 or 2 Nominal T nether 1 nor 2 Nominal ∏ either 1 or 2 Nominal T nether 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Proximity effect is more in case of power cables same in both cases None of these over head lines power cables same in both cases None of these over head lines 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 400/5. The pick up value is 6.25 A 10 A 12.5 A 15 A 6.25 A 10 A 12.5 A 15 A ANSWER DOWNLOAD EXAMIANS APP
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