G-22 FDNY/ Certification of Fitness G-22 Use of Liquefied Petroleum Gas or Compressed Natural Gas Exam (6pages)

Amounts of LPG & CNG where permit is required 16.4 oz and 8.7 SCF 2. Portable LPG AND CNG containers with a capacity greater than 16.4 oz 8.7 SCF CANNOT be stored where? Indoors 3. What temperature can cause pressure inside a container to increase to an unsafe level? 125°F 4. What must be used to shield containers that are exposed to hot air blown by a heating appliance? A protective partition 5. Control Valve On top of each container. Controls the discharge of the contents of the container. Must be opened by hand 6. Hoses Should be as short as possible Cannot exceed 30 feet When used inside the hose cannot pass through any partitions/floors/walls/ceilings 7. The use of nonmetallic pipe tubing or hose for permanently interconnecting containers is prohibited 8. If containers need to be moved between floors Use an elevator if possible 1 / 6 G-22 FDNY Study online at https://quizlet.com/_668kyb 9. When can containers be transported in vehicles? When they are approved vehicles When the quantity of gas is less than 400 SCF 10. Containers should be kept away from Sources of ignition Extreme temps Corrosives Falling objects Public tampering Places where it may fall 11. Which liquids are considered LPG Propane (most common) Propylene Butane (most common) Butylene 12. LPG is naturally Colorless and Odorless 13. What odor allows you to detect an LPG leak? Rotten eggs 14. When is the use of LPG in liquid form not prohibited? Hot air balloon operations 15. LPG is usually stored as what and why? A liquid. Because when the liquid turns to a gas it expands to 269 times its original volume 16. What does the expansion rate of LPG cause? To be a much greater fire hazard than a vapor leak 17. LPG containers are allowedd to charge to a max of how many pounds? 100 pounds 18. Universal Type container may be used Either upright or horizontal 19. When are universal containers used When its difficult to maintain an upright position on a standard container