Tactical ventilation is performed during fire attack to help ______ the fire.
Control
A fire hose is labeled according to the size of its inside _____
Diameter
A _____ -barrel hydrant only has water in it when the stem nut is operated to open the control valve
Overhaul operations include searching for _____ fires.
Hidden
Tactical ventilation roof crew members should have a minimum of two _____
Escape routes
A _____ occurs when fresh air from ventilation is introduced into a room, causing gases to reignite and rapid fire development to occur.
Flashover
A _____ hose coupling has the thread of the exterior
Lakes, ponds, and rivers are all _____ water sources that may provide water through drafting operations
Static
_____ concrete is an indication of possible loss of structural integrety
Spalling
Hydrants must be opened and closed slowly in order to prevent _____
Water Hammer
______ horizontal ventilation requires no additional personnel or equipment to set up and maintain
Natural
_____ lugs are shallow holes drilled into booster hose couplings that require a special spanner wrench to tighten
Recessed
A _____ appliance has one female inlet and multiple male outlets to divide one supply hoseline into two or more lines
Wye
The purpose of _____ operations is to reduce further damage to the building and its contents from water, smoke, and heat
Salvage
_____ are tools frequently used to open walls and floors during overhaul
Pike Poles
The goal of positive-pressure ventilation is to increase pressure to higher than the ____ of the structure.
According to NFPA 1962, fire hose should be service tested at least once a _____
Year
The _____ line drag methos is used to quickly and easily advance charged hoselines at ground level
Working
The general location where the fire began is known as the area of _____
Origin
Gross decontamination is vital because contaminated PPE can lead to _____ being absorbed through the skin
Carcinogens
The purpose of a _____ cut is to create a defensible line ahead of the fire's spread.
Trench
When _____ fiber hose is stored wet, it is at risk of mold and mildew damage.
Natural
_____ of water pressure occurs when the nozzle is above the elevation of the fire pump, such as on a second story
Loss
Unusual glass or metal fragments at a fire scene may indicate that a/an _____ liquid was used.
Accelerant
When winds are 10mph or faster, firefighters are safest working with the wind at their _____
Backs