Deck : Safety - 899/2841
|
|---|
| « Previous Question |
| When the bypass valve of a self-contained breathing device is opened, the air flows __________. |
| A) through the regulator |
| B) from the bottle into the atmosphere |
| C) directly to the facepiece |
| D) directly to the air supply bottle |
loading answer...
| Comments |
|---|
| There are no comments for this question. |