Gas safety and Legislation

12345678910111213141516171819202122232425
Across
  1. 3. means to remove the products of combustion from Property.
  2. 5. for the controlled application of heat to water.
  3. 6. every substance has a weight or mass to compare.
  4. 8. Designed for the use by a customer for the purpose of heating or cooking.
  5. 10. the reaction of flames from different parts of the burner disturb each other.
  6. 12. to work in relation to gas fitting or appliances must be
  7. 13. external container to protect metering equipment
  8. 16. Used for conveyance of natural gas to property
  9. 18. Operated by the customer in the event of a problem
  10. 19. Appliance whose combustion directly from outside the premises
  11. 21. Nearest meter downstream of service pipework
  12. 22. result of incomplete combustion.
  13. 23. additional provision for recording consumption
  14. 24. the chemical reaction in which fuel oxygen and heat interact.
  15. 25. must be left with owner or occupier
Down
  1. 1. first item fitted to meter inlet
  2. 2. either or both methods are used to confirm safe operation in conjunction with flue gas analysis.
  3. 3. All flames burn at particular rates known as
  4. 4. Reduced levels of ______in combustion air supply cause vitiation
  5. 6. Person who provides gas to primary meter.
  6. 7. components used in carcus construction.
  7. 9. number that indicates the heat output from a burner using a particular gas.
  8. 11. person who conveys gas through distribution main
  9. 14. container designed to store LPG either single use or refillable
  10. 15. may occur if a burner is incorrectly positioned in the appliance.
  11. 17. mixtures of gases will only _____ within specific Flammability limits.
  12. 20. contains user information incase of emergency.