Power Systems Mho relay is used for protection of medium lines. long lines. none of these. short lines. medium lines. long lines. none of these. short lines. ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a nuclear reaction is operating at constant power the multiplication factor is less than 1. greater than 1. 1. may be any of the above. less than 1. greater than 1. 1. may be any of the above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Alternate formation and breakage of bubbles are called water hamming. cavitations. surgfication. All of these water hamming. cavitations. surgfication. All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Two insulator discs of identical capacitance value C make up a string for a 22 kV, 50 Hz, single phase overhead line insulation system. If pin to earth capacitance is also C, then find the string efficiency? 86%% 75% 50% 90% 86%% 75% 50% 90% ANSWER DOWNLOAD EXAMIANS APP
Power Systems The arc voltage produced in an AC circuit breaker is always in phase opposition with the arc current. in phase with the arc current. leading the arc current by 90°. lagging the arc current by 90°. in phase opposition with the arc current. in phase with the arc current. leading the arc current by 90°. lagging the arc current by 90°. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal generating station has an installed capacity of 15 MW and supplies a daily load of 10 MW for 12 hours and 5 MW for remaining 12 hours. The plant capacity factor for the station is 1 0.5 0.6 0.75 1 0.5 0.6 0.75 ANSWER DOWNLOAD EXAMIANS APP
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