To clear an area of scrub, bush, etc by creating a new fire that burns in the opposite direction to the line of advancing fire
What is a back burn
A hydrant that receives water from only one direction
What is a dead-end hydrant
Transfer of heat through direct contact.
What is conduction?
The amount of moisture in the air divided by the amount of moisture the air could hold when saturated at the same air temperature, usually expressed as a percent, is called?
Relative Humidity
The big slow truck that carries water.
What is a water tender?
Created from a salvage cover placed on the floor to hold small amounts of water.
What is a catchall?
Combustible materials that aid the spread of fire from the surface to the upper canopy.
What are ladder fuels?
Hydrants that are designed to have water inside them at all times
What is wet-barrel hydrant
The pathway of responsibility from the highest level of the department to the lowest.
What is the chain of command?
The term for the direction a slope is facing.
What is its aspect?
Referred to as sexless couplings and are connected with one-third of a turn.
What is are Stortz fittings?
A self-sustaining chemical reaction yielding energy or products that cause further reactions of the same kind.
What is combustion?
The part of the fire that spreads most rapidly and does the most damage.
What is the head of the fire?
The visible effect of the process of combustion.
What is Fire?
The most common of the hazardous substances contained in smoke that is a product of combustion.
What is carbon monoxide?