Power Systems Condition for maximum voltage regulation cosφ = X/R cosφ = R/X tanφ = R/X tanφ = X/R cosφ = X/R cosφ = R/X tanφ = R/X tanφ = X/R ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 25 MVA, 11 kV alternator is supplying full load at a point of 0.75 lagging. Determine the percentage increase in earning capacity when it is operated at improved power factor of 0.96 lagging. 28 %. 14 %. None of above 56 %. 28 %. 14 %. None of above 56 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For variable heads of near about but less than 30 meters, which type of turbine is used in hydro power station? Kaplan Pelton Francis None of these Kaplan Pelton Francis None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems For complete protection of 3-phase system from the short circuit faults minimum number of relays required are six one two three six one two three ANSWER DOWNLOAD EXAMIANS APP
Power Systems Oxide film arrestor has which of the following properties? Installed at points of transmission line where daily visit is difficult. Does not require daily charging. It is expensive. Both A and B. Installed at points of transmission line where daily visit is difficult. Does not require daily charging. It is expensive. Both A and B. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power generating station has a maximum demand of 1000 MW. The annual load factor is 75% and plant capacity factor is 60%. Calculate the reserve capacity? 500 MW 250 MW 750 MW 1250 MW 500 MW 250 MW 750 MW 1250 MW ANSWER DOWNLOAD EXAMIANS APP
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