Power Systems At slack bus, which one of the following combinations of variables is not specified? P and Q P and V V and δ Q and V P and Q P and V V and δ Q and V 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 10. 15. 25. 50. 10. 15. 25. 50. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relays is/are unit protection relays? over current relays Differential relays Buccholz relays both 1 and 2 over current relays Differential relays Buccholz relays both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems As the frequency of the system is increased, the charging MVAR decreases remains unaffected increases None of these decreases remains unaffected increases None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is used for protection of short lines. long lines. medium lines. none of these. short lines. long lines. medium lines. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydroelectric power station is commonly found in hilly areas. swamps. desert areas. grasslands. hilly areas. swamps. desert areas. grasslands. ANSWER DOWNLOAD EXAMIANS APP