Power Systems Which cooling is preferred for large turbine generator None of these. Oxygen cooling. Hydrogen cooling. Nitrogen cooling. None of these. Oxygen cooling. Hydrogen cooling. Nitrogen cooling. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which one of the following relays has the capability of anticipating the possible major fault in a transformer? Over current relay Buchholz relay Over fluxing relay Differential relay Over current relay Buchholz relay Over fluxing relay Differential relay ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pipes carrying steam are generally of aluminium. steel. cast iron. cobalt. aluminium. steel. cast iron. cobalt. 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 50. 25. 15. 10. 50. 25. 15. 10. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the desirable properties of a insulator material? High relative permittivity Both 1 and 2 Low ratio of puncture strength to flash over. High ratio of puncture strength to flash over. High relative permittivity Both 1 and 2 Low ratio of puncture strength to flash over. High ratio of puncture strength to flash over. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The unit protection scheme provides simultaneous protection. remote protection. primary protection. back up protection. simultaneous protection. remote protection. primary protection. back up protection. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS