Power Systems If the inertia constant H = 10 MJ/MVA for a 50 MVA generator, the stored energy is 5 MJ 50 MJ 10 MJ 500 MJ 5 MJ 50 MJ 10 MJ 500 MJ ANSWER DOWNLOAD EXAMIANS APP
Power Systems If we increase the length of the transmission line, the charging current decreases increases remains unaffected None of these decreases increases remains unaffected None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The arc voltage produced in an AC circuit breaker is always lagging the arc current by 90°. in phase with the arc current. in phase opposition with the arc current. leading the arc current by 90°. lagging the arc current by 90°. in phase with the arc current. in phase opposition with the arc current. leading the arc current by 90°. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the approximate efficiency of a normal thermal power station? 20-25% 45-55% 30-40% 60-70% 20-25% 45-55% 30-40% 60-70% ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line has its conductors at the corners of an equilateral triangle with side 3m. The diameter of each conductor is 1.63 cm. The inductance of the line per phase per km is 1.182 mH 1.093 mH 1.043 mH 1.232 mH 1.182 mH 1.093 mH 1.043 mH 1.232 mH ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power generating station has a plant capacity of 200 MW and maximum power demand is 150 MW. If average power generation is 110 MW, then find the load factor and capacity factor respectively? 0.55 and 0.733 0.733 and 0.65 0.733 and 0.55 0.65 and 0.55 0.55 and 0.733 0.733 and 0.65 0.733 and 0.55 0.65 and 0.55 ANSWER DOWNLOAD EXAMIANS APP
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