Power Systems Condition for maximum voltage regulation tanφ = R/X cosφ = R/X cosφ = X/R tanφ = X/R tanφ = R/X cosφ = R/X cosφ = X/R tanφ = X/R ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following insulator is practically used for railway crossings? strain insulator string insulator All of these pin insulator strain insulator string insulator All of these pin insulator ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following produces the radio interference in communication lines? electro static induction both 1 and 2 electro magnetic induction None of these electro static induction both 1 and 2 electro magnetic induction None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a nuclear reaction is operating at constant power the multiplication factor is less than 1. may be any of the above. 1. greater than 1. less than 1. may be any of the above. 1. greater than 1. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the fault current is 2000 A, the relay setting is 50% and CT ratio is 400 : 5, then plug setting multiplier will be 25. 15. 50. 10. 25. 15. 50. 10. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In hydroelectric power plants operating cost is high and initial cost is low. both operating and initial cost are low. both operating and initial cost are high. operating cost is low and initial cost is high. operating cost is high and initial cost is low. both operating and initial cost are low. both operating and initial cost are high. operating cost is low and initial cost is high. ANSWER DOWNLOAD EXAMIANS APP
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