G033-4
Across
- 2. When the temperature of the air (including the combustible gases in the air)in a room reach the point of flammability, a __________ can suddenly occur.
- 3. Although heat from fire in buildings can cause harm to humans, the most harmful hazard is _________.
- 8. During the _________ stage of a fire, convection currents move combustion by-products and hot gases towards the ceiling.
- 9. The type of heat detection system that can consist of a cable wherein the insulation between the cores melts triggering the alarm is the ________ Heat Detector.
- 13. The difference between maintained and sustained emergency lights is that the the sustained type has ____ lamps.
- 14. Because of the damage and threat to life of buildings burning, _____________ companies were the reason why minimum building standards were created.
- 16. The National Building Code (including the BCA) has two volumes. Volume ____ refers to fire safety (smoke detection and early warning) of domestic premises (class 1 buildings).
- 19. Ionisation type smoke detectors has a ________ source inside the device (and should be sent back to manufacturer for safe disposal).
- 20. The first of the five fire development stages is the ________ phase, where smoke and hot gases accumulate near the ceiling.
- 21. The smoke generated by a fire depends on what type of _______ is feeding the fire.
- 22. Smoke from fires is to be limited from spilling into exit passageways and the like by means such as maintaining a different __________ between compartments of the building.
Down
- 1. The __________ type smoke detector are not to be fitted to domestic residences.
- 4. Smoke detectors outside of bedrooms in the hallway should be fitted within 900mm of the _________.
- 5. FIP stands for Fire _______ Panel and are located at the entrance to a building for easy access by the Fire Brigade.
- 6. The aspirating type smoke detector is highly ____________ to smoke.
- 7. Essentially, in relation to ________ Services (lifts, evacuation equipment, fire and smoke detection etc) AS/NZS 3000 is primarily concerned with the integrity of supply to these systems.
- 9. Each Safety Service main switch shall be identified from other main switches by being clearly ___________.
- 10. Every _______ of a home shall have smoke alarms fitted.
- 11. The maximum number of smoke alarms on a lighting circuit should not exceed ________.
- 12. The NCC (National Construction Code) contains the BCA which has important info for electricians concerning fire warning and detection, means of egress from a building (emergency lighting) and controlling the spread of fire. BCA stands for ________ Code of Australia.
- 15. Pulses of light are used inside a ________ smoke detector.
- 17. To avoid nuisance alarms, thermal type smoke alarms can be fitted near __________ due to the by-products produced from food cooking processes.
- 18. To protect sleeping people from hazards due to fire, smoke detection and _________ warning (audible alarm) is needed.
- 23. The Flame Detector system operates when the light source reaching the sensor is obscured by the _______ created by a fire.