1. While donning the face piece, you tighten the temple straps first, then the chin straps, and, finally, the top of the head strap.

2. During the alternate relief valve test, the relief valve should open between ______________ .

3. The low pressure warning should activate between 1.25 and 1.4 mbar.

4. The first step in the BG-4 Testing Procedure is to insert a fully charged O₂ cylinder into the unit.

5. During the leak test, after you reduce the pressure to 7 mbar, the pressure should not change by more than 1 mbar in ___________ .

6. By-pass output is 50 PSI.

7. Volume of the breathing bag is 5.5 liter.

8. The minimum valve provides approximately 80 l/sec of flow.

9. The Panarama Nova Mask has 95% peripheral vision.

10. The BG4 has 4 major component groups.