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