1 year test Flashcards
What are Class C extinguishers used for?
Electrical Equipement
When is a vapor concentration too lean?
When its below the LEL
One of the Phoenix FD’s keys to safe behavior?
Vent early and vent often
What to do at a major incident?
direct media to the PIO
Which is not an indication of susceptible collapse?
Platform Construction
Most significant fuel factor influencing fire behavior in a compartment?
Surface mass
What led to the development of pumping apparatus?
The Industrial Revolution
Concentration of fuel vapor in the air needed for combustion is?
Flammable Range
Hot Zone?
Control Zone with actual emergency incident in it
Fire Point
Minimum Temp at which at which a liquid gives off enough vapors to burn continuosusly
light weight trusses
common construction feature that is a serious threat to FF’s
Method of extinguishment of water
Decrease Temp (cooling)
RIC
Personnel available to assist endangered FF’s
program to assist employees in developing and maintain physical activity required for the job
wellness program
most common application for cast iron in building construction
exterior veneer in old buildings
sign of fire damage to concrete
spalling
true statement about lightweight trusses
can be made of steel or wood
what’s likely to happen if fresh air is introduced to unvented, 02 starved fire
Backdraft
top/bottom horizontal member of a frame wall
plate
true statement about training in a safe manner
all equipment should be inspected before the drill
load bearing wall
supports structural weight
what factor most undermines the effectiveness of a safety program
lack of support
unburned gases in the hot gas layer ignite and spread flames across the ceiling
rollover
Dry Chem and Halon agents extinguish fires by
Disrupting the chemical
chain reaction.
fire in churches/warehouses
In churches/warehouses vertical ventilation is critical for retarding spread of
fire.
Program that addresses ETOH stress at home
Employee Assistance Program.
02% in the air is 21%.
02% in the air is 21%.
. On a pitched roof what supports the roof decking
Rafters
Widest flammable range out of Propane, CO, Gasoline, Methane
CO
Critical Incident defusing
Informal discussion shortly after a critical incident involving all personnel involved
Allowing a fire to burn itself out
fuel removal (extinguishment method).
Roof covering that contributes the most to fire spread
treated wood shakes
National fallen Firefighter Foundation goal is to decrease FF fatalities by…
50% over 10 years.
NFPA standards
Consensus standards
1st successful fire insurance company in N. America was started by
Ben Franklin
Primary purpose of discipline
education
SOP functions as a framework for
decision-‐making
True statement about 2 in/2o out=
mandated by both NFPA and OSHA.
Written Strategy and Program to protect/ensure personnel safety
safety Policy.
One cubic foot of water completely vaporizes into (steam)
1700 cubic feet of steam
Horizontal structural members that support floors/ceilings
Joists
Lightweight steel trusses can be expected to fail at
1000 degrees F.
Disadvantage to heavy timber construction
susceptible to water damage
True statement about safe tool use
intrinsically safe tools can be used
around flammable vapors.
What conducts heat most readily out of wood, concrete, steel, or copper
COPPER
National Fallen Firefighters want to decrease FF fatalities by
25% in 5 years
Protecting exposures
Primary concern of defensive mode
Form of energy that increases temperature
Heat
True statement about heavy fire loading
critical hazard.
Gabled roof has attic vents on
gable walls
What is hypoxia
lack of 02
. Which is correct principle of operating in an IDLH environment?
50%
What is the correct way to clean natural fiber rope?
Brush No Water.
Natural Fiber Ropes, when compared to synthetic are less preferable
Natural Fiber Ropes, when compared to synthetic are less preferable
Which turnout coat pant component is specifically required by NFPA
standards?
OUTER SHELL.
How is the relative effectiveness of class D extinguishing agents expressed
NO NUMERICAL VALUE.
Which one of these knots can be used to hoist a fan?
Follow through or on a
bight.
Which part of rope is used for hoisting?
Running?
Which is knot is used to prevent slipping?
Safety knot.
Which is the best description of a primary search at a building fire?
Rapid but thorough search performed before or during suppression
Which carry requires more than one person?
Extremities
Which knot is preferred for tying together webbing?
Water
Which common factor is cited in San Antonio Study?
Aggressive interior
attack Disorientation.
How many FF’s to recover a downed FF
12 FFs
Application of class D agent
Varies with type of agent and fuel involved.
. AFFF is rated for what fire
a and b
Which statement about closed circuit SCBA is correct?
It is lighter
Where is the knot in a lateral tether
20 ft from the end
Which combination of knots should be used to hoist a pike pole?
Clove Hitch.
A RIC has located a lost FF who is running low on air. Which solution causes
biggest problem?
Buddy Breathing
Which substance is responsible for most fire deaths?
CO
Which statement about the effects of toxic gases is correct?
Unpredictable
. All extinguishers are classified according to
The types of fire for which they are intended.
You have arrived at a structure fire and have been assigned primary search.
Which step listed below should you perform first?
?
Class B fire involves which fuel?
Alcohol
Low pressure 30 minute cylinders are fully charged at
2216
You find an unconscious victim with a possible spinal injury who is in
immediate danger because of fire, what should you do?
Drag clothes keep spine in line.
What is primary extinguishing mechanism of CO2?
O2 Depletion
Which known is best suited for joining to ropes of unequal diameter?
Becket Bend.
Which rope consists of braided outer sheath over load bearing braded core?
Braid on Braid.
Which item should occur when conducing a room to room search?
Systematic
The blank is formed by turning the rope 180 degrees back on itself.
Bight
Which drag works good for children and small adults?
Cradle in arms
Your RIC has located an unconscious ff w/ lo scba cylinder, conduction are deteriorating, which action should be taken first.
Check air or change bottles.
What is the most common cause of SCBA exhalation valve malfunction
? (DUST/FOREIGN MATERIAL?)
What is the difference between dry chemical and Dry powder?
Dry Chem
Combustible Metals, Wet Chem Kitchen oils.
Which combination of knots should be used to hoist an uncharged hose aloft?
Clove hitch w/ a half hitch.
Your life safety rope has been impact loaded.
IT SHOULD BE DESTROYED.
An open circuit SCBA uses
Compressed Air.
Your Ric has located a downed FF what should be done first?
Check air and cylinder.
When performing search inside a burning structure you should
first check
the knob before opening it
Undergarments of COTTON should be worn during
wildland fires
What is the most important objective to be considered when coiling rope?
It is quickly deployed.
. In most cases what is the best way to handle a class C fire?
Unplug it and use
a water can.
NFPA requires engines be equipped with what extinguishers
At least one 80
BC Dry Chem, one 10 B:C CO2, and one 2 ½ gal water can.
While inspecting kernmantel rope you encounter a soft spot in the rope but sheath is undamaged. What do you do,
Inspect it further it is most likely good.
What is the max numerical rating for a class A extinguisher?
40
You are working inside a burning structure when opening an interior door,
what is your primary consideration.
Fire behind it.
tie a rope around a pole.
Figure 8 follow through
