Deck : Safety - 893/2841
|
|---|
| « Previous Question |
| The function of the bypass valve on the self-contained breathing apparatus is to __________. |
| A) allow the wearer to manually give himself oxygen |
| B) allow exhaled gases to pass outside the bottle |
| C) release excess heat which would otherwise cause the bottle to explode |
| D) control the pressure of the oxygen as it enters the body |
loading answer...
| Comments |
|---|
| There are no comments for this question. |