2025 MR COMP

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Across
  1. 2. My TWA is 0.05 ppm.
  2. 5. My specific gravity is 0.55
  3. 7. greenish-yellow gas with a pungent, irritating odour.
  4. 9. ________ is a colourless, odourless, tasteless gas and is the most important constituent of air.
  5. 10. The FPS 7000 can be integrated with various modules offering voice _______ .
  6. 11. High Expansion Foam generators are designed to produce large capacity of high expansion foam.
  7. 12. whenever excess heat is applied to a tire, it can initiate a process within the tire called _______ .
  8. 14. My TWA is 25 ppm and STEL is 35 ppm.
Down
  1. 1. MONOXIDE This gas is always present during or after an underground fire.
  2. 3. My explosive range is 4.1-74%
  3. 4. With sufficient oxygen, only 5.5 per cent, to support _______
  4. 6. _______ with an expired medical examination will not be allowed to don breathing apparatus.
  5. 8. The ___ is a self-contained closed circuit, o2 breathing apparatus.
  6. 13. batteries can off-gas combustable hydrogen and oxygen while charging