in what kind of operation is the objective for FF to get close enough to the fire to apply extinguishing agents at close range
there are two hose line sizes that are used most frequenly for interior fire attack. what is one of them
what is the most effective means of fire suppression, in most situations
a direct attack
which of the following is a common hazard of confined spaces
low oxygen level
a spill, pool, or open containerof liquid that is burning only on the top surface is known as a _______ fire
what is one use for a fog stream besides putting water on a fire
venting heat and smoke out a window
what is called when two groups of FF are operating hose lines against each other
opposing hose lines
in a direct fire attack, how is the water actually discharged onto the fuel?
directed onto the base of the fire
how should FF approach a vehicle fire
45 degree angle
which of the following is NOT a hazard found on modern vehicles
what hazards do batteries present to FF
where does a direct fire attack deliver the water
to the base of the fire
smoke coming from cracks in walls and peeling or bubbling paint are indicators of a possible ________
where should additional equipment be staged on a high rise fire
floor below fire floor
all fire suppression operations can be classified as either one type or another. what are the two types
offensive or defensive
what would describe the appearance of a solid stream
a continuous column of water
when directing the flow of water from the nozzle during a combination attack, where should the flow of water first be directed
upper left corner of the fire
what is another term for a deck gun
what is added to propane to give it a distinct odor
how much water cab large handlines flow, in gallons per minute
250 or more
what is the minimum size hose line FF should use to fight a vehicle fire
what si the relevance of water being divided into droplets with a very large surface area in a fog stream
that pattern absorbs heat effeciaently
what can be used to aid in extingusihment of smoldering fires in tightly packed combustible materials, piles, or trash containers
class A foam
portible monitprs, deck guns, and ladder pipes are examples of
master stream devices
under waht circumstances can one FF control a large handline
when it is well anchored
which of the following can be a difficulty when fighting a basement fire
what is installed on a propane cylinders to allow excess pressure to escape
what is one indication during an indirect attack that the ceiling has cooled
water droplets are raining down
how should fire be fought on fully involved alternative fuel vehicles
unmanned master stream
when water is converted to steam it expands to _________ times the volume of an equivalant amount of liquid water
smoke emitting from cracks in the walls of a building on fire is a sign of ______
possible building collaspe
An incident commander should nver risk the lives of FF_________
when there are no lives to save
small handlines are those up to __________ diameter, in inches
which of the follwoing is a hazaqrd of a hybrid vehicle
high voltage cables
a burning liquid that is dripping, spraying or flowing over the edge of a container is known as a _______ fire
what is an elevated master stream device that is mounted at the tip of an aerial ladder called
what type of extinguishing agent should be used on electrical equipment fires
which type of nozzle moves more air and is therefore more likely to disrupt the the thermal balance
what is one advantage to a straight stream over a fog stream
it provides more reach
are master streams used for offensive or defensive operations
when a certain kind of firefighting attack is successful, the fire can be controlled with the least amount of property damage. what kind of attack is this
under what circumstances should master stream devices be directed into buildings where FF are operating inside
under no circumstances
the greatest danger of propane cylinders is
during a definsive firefighting operation what priority does the exposure protection take on
Who can assist firefighters on a fire in transofrmer vault?
What type of fire attack is used to prevent the spread of fire?
In an indirect fire attack, where is the water directed?
From where are defensive firefighting operations conducted?
What cancer-causing material do transformers contain?
When necessary, approach a flammable gas fire with _______.
Two 1 and three fourths house line, from the side.
What are the two different methods of discharging water onto a fire?
Direct and indirect
In what type of operation are large handlines and master streams more often used?
Why is it necessary to limit how low and elevation angle a portable monitor device can be set to?
If set too low, the reactionary force would make the monitor unstable.
If there are no life hazards, how should a fire in a building under construction be fought?
What is the objective of an indirect fire attack?
to quickly remove as much heat as possible from the fire atmosphere
How can the practice of having one team of fire fighters conducting offensive operations and another team of fire fighters conducting defensive operationd on the same building at the same time be characterized?
As extremely dangerous
What is a combination fire attack a combination of?
Direct and indirect
What is one danger with an indirect fire attack?
Hot fire gases and steam can be forced down into fire fighters, which can cause burns.
What is the minimum number of fighter fighters needed to advance and manuever a 2 and a half handline inside a building.
On what types of operations are master stream devices typically used?
What is the greatest danger to fire fighetrs when fighting a fire involving stacked or piled material?
What is one characteristic of a fog steam?
It creates water droplets with a very large surface area.
Before any interior attack is indicated, what should be done to the structure?
What water delivery device flows a minimum of 350 gallons of water per minute?
What is the largest flow in gallons per minute that a master stream device can generate?
2,000 or more
What is a master stream device that is permanently mounted on a vehicle and piped called?
An indirect attack that is indicated when the temperature is increasing and it appears that ____________ is about to happen
the best method to prevent a BLEVE is to driect the heavy stream of water:
at the point of flame impingement
what needs to happen when the gas or electrical service to a structure is turned off for firefighting operations