Deck_2014 : Safety - 3734/5254
|
|---|
| « Previous Question |
| What is the purpose of a check valve? |
| A) Passes air but not liquid |
| B) Regulates liquid flow |
| C) Permits flow in one direction only |
| D) Passes liquid but not air |
loading answer...
| Comments |
|---|
| There are no comments for this question. |