Engine : Engineering Safety - 978/968
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| What should you do when the alarm bell on a self-contained breathing apparatus sounds? |
| A) Immediately evacuate the contaminated area. |
| B) Open the bypass valve on the regulator and immediately evacuate the contaminated area. |
| C) Move the tank selector lever to the full tank position and reset the alarm so you can evacuate the area when it sounds again. |
| D) Move the reserve lever to the 'reserve' position on the regulator and reset the alarm so you can evacuate the area when it sounds again. |
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