Across
- 4. any condition or act which increases or may cause an increase in the probability of the occurrence of fire or which may obstruct, delay, hinder or interfere with firefighting operations and the safeguarding of life and property.
- 6. a return to flaming combustion after incomplete extinguishment of a fire reigning at some time after being put out.
- 7. a enclosed vertical space of passage that extends from floor to floor as well as from the base to the top of the building.
- 10. the person who holds the legal right of possession or title to a building or real property.
- 12. the temperature at which a fuel will ignite on its own with out any additional source of ignition.
- 13. materials involving vegetable fibers, wood, paper straw, grain, and grass; combustible minerals such as coal and coke
- 16. descriptive of any substance that ignites spontaneously when exposed to air.
- 17. degrees of thermal agitation of molecules
- 18. a finely powdered substance which when mixed with air in the proper proportion and ignited will cause an explosion.
- 20. the rate of at which the fuel and oxidizer are brought together to determine the character of diffusion flame.
- 22. Oxygen reacts and oxidizes.
- 23. descriptive of any material which by its nature or as a result of its reaction with other elements produces a rapid drop in temperature of the immediate surroundings.
- 26. the density of the vapor relative to the density of air and is calculated by dividing the molecular weight of the gas by that of air.
- 27. a box or cabinet where fire hoses, valves and other equipment are stored and arranged for firefighting.
- 28. a form of energy generated by the transmission of some other form of energy, as in combustion or burning
- 31. Incomplete combustion of fuels that causes a soot and orange to reddish color.
- 33. a hot piece or lump that remains after a material has partially burned and is still oxidizing without the manifestation of flames.
- 36. a building unsafe in case of fire because it will burn easily or because it lacks adequate exits or fire escapes.
- 38. the sequence of exothermic chemical reaction between fuel and an oxidant accompanied by the production of heat and conversion of chemical species.
- 42. is added before the reaction takes place.
- 44. a material that readily yields oxygen in quantities sufficient to stimulate or support combustion.
- 45. – these are liquids with a flashpoint below 100 degrees F and a vapor pressure not over 40 psia at 100 F.
- 46. a continuous passageway for the transmission of air.
- 47. willful and malicious burning of the house or house of another man.
- 49. fire fire causes where human action is involved directly or indirectly. i.e a) careless disposal of smoking materials, b) workers using welding-cutting equipment
Down
- 1. lowest temperature of liquid in an open container of which vapor evolve fats enough to support continuousVapor Density - the density of the vapor relative to the density of air and is calculated by dividing the molecular weight of the gas by that of air.
- 2. a colorless flammable poisonous gas with a characteristics smell of rotten eggs.
- 3. the mechanism in which fire can spread from its origin to other sources of fuel.
- 5. the purpose for which a building or portion thereof is used or intended to be used
- 8. amount of heat released and where oxidation is complete.
- 9. an integrated network of hydraulically designed piping installed in a building, structure or area with outlets arranged in a systematic pattern which automatically discharges water when activated by heat or combustion products from a fire.
- 11. Another explanation of the requirement of combustion which uses four-sided figure.
- 14. melting or fusing of metallic ores or compounds so as to separate impurities from pure metals.
- 15. any liquid having a flash point at or above 37.8 degrees Celsius or 100 degrees Fahrenheit.
- 19. the final phase of burning wherein flame ceases but dense smoke and heat completely fill the confined room.
- 21. this degree of heat given off by a fire and the color of its flame oftentimes indicates some accelerant added to the materials presently at the building and the investigator must further have proof evidence nor can pinpoint accelerant.
- 24. a colorless, odorless gas and one of the compositions of air which is approximately 21 %
- 25. heat transferred by direct contact from one body to another.
- 29. it is the initial stage of fire.
- 30. any gas that which burn in normal concentrations of oxygen in the air. These gases are subjected to the same conditions as flammable vapors.
- 32. liquids that have a flashpoint at or above 100 F
- 34. any visual or audible signal produced by a device or system to warn the occupants of the building or the fighting element of the presence or danger of fire to enable them to undertake immediate action to save life and property and to suppress the fire.
- 35. the process of determining the origin, cause and responsibility as well as the failure analysis of fire or explosion.
- 36. The evolving of heat and light by combustion. The combustion thus manifested especially the flame of the fuel as burning.
- 37. the chemical decomposition of matter through the action of heat
- 39. fire caused naturally without human intervention or aid such as lightning, spontaneous ignition and mechanical malfunction of equipment.
- 40. a cylindrical device turning on an axis around which a fire hose is connected
- 41. the constant temperature at which the vapor pressure of the liquid is equal to the atmospheric pressure.
- 43. incandescent gases that accompany rapid oxidation of combustible materials.
- 48. It is the visible product of incomplete combustion, usually a mixture of oxygen, nitrogen, carbon dioxide, carbon monoxide, finely divided particles of soot and carbon, and miscellaneous assortment of product released from the burning material.