SUBSTATION AND EQUIPMENT - Quiz

1) Which is a part of oil circuit breaker?

Insulating vessel Arc shield Arc splitters Moving Contact

2) What is the main purpose of oil in oil circuit breaker?

Provide insulation Quenching arc Providing cooling for contacts Act as lubrication

3) What is the full name of SF6 circuit breaker?

Soda flouride circuit breaker Sulphur hexaflouride circuit breaker Sodium flouride circuit breaker Sodium bicarbonate circuit breaker

4) What is the medium of arc quenching in an oil circuit breaker ?

Oil Water Nitrogen Air

5) Why aluminium is used as busbar material?

Low density Low cost Easy to fabrication Low resistance