Property Changes
What are the states of matter?
Solid, Liquid, Gas
Ability of a substance to transform at the molecular level. BLEVE, liquid gas to fumes
Chemical Reactivity
Minimum temperature at which a liquid or solid gives off enough vapors so it will ignite when there is an ignition source
Flash Point
When temperature increases, ________ also increases. Temperature has a direct influence.
Vapor Pressure
Water boils at what temperature?
212 F
Alteration of form or appearance of a substance, melting ice or cutting paper
Physical Changes
What are influenced by mixing with other substances or applying heat?
Chemical Changes
The upper and lower limits of air and fuel mixtures for proper burning
Flammable Range
Liquid with high vapor pressures will ________when spilled out of their containers
Evaporate
Gases that are heavier than air will?
Sink
Reactions that create new substances, Rusting iron or burning
Chemical Changes
What is a substance with a flash point at or below 93 C (199.4 F)?
Flammable Liquids
The minimum temperature at which a substance will ignite without an ignition source
Ignition Temperature
High flash points equal?
Low vapor pressures and ignition temperatures
Gases lighter than air will?
Float
Characteristics of a substance that are measurable
Vapor density, Flammability, Corrosivity, Water reactivity
Insufficient fuel present to support combustion is?
Too Lean
What will occur is a gasoline mixture falls between its UEL and LEL and has an ignition source
Flash Fire
Low flash points equal?
High vapor pressures and ignition temperatures
Thermal, chemical and mechanical are types of?
Stresses
The transformation from one state of matter to the next is? liquid to solid or liquid to gas
Physical changes
Too much fuel for the mixture to burn or explode is?
Too Rich
What has a direct relationship between temperature and vapor production?
Fuel Flash Points
The temperature at which the vapor pressure of a liquid equals the surrounding atmospheric pressure
Boiling Point
Disintegration, Cracking, punctures, splits, tears, stress, valve fails, forklifts can cause?
Containment vessel failures