Question

It is safe to interchange oxygen and fuel gas hoses. A. False B. True

Answer 1

False.
If you were to interchange one another it would be VERY life threatening.

Answer 2

Answer:

A. False

Explanation:

For starters Oxyen and fuel gas hoses are meant to do very different things, so just thinking on interchanging them is dangerous, doesn´t matter what are working with, this is most probably refering to the hoses that are used in wielding, if you interchange the oxygen and fuel gas in an oxyfuel welding machine you could end up with a non working torch and a very serious burn from having too much oxygen flowing.