Why do compact fuels burn more slowly than less compact fuels?

Air cannot circulate as freely around the more compact fuels

To determine whether there is any slippage of couplings when testing hose

mark the hose by each coupling using a pencil/marker

The National Fire Protection Association Standard 1981 addresses:

Open-Circuit Self-Contained Breathing for Emergency Services Apparatus.

In a wildland fire, which is an effective way to protect exposures?

Applying compressed-air foam to the vegetation or structure

The usual cause of lightweight steel truss is the:

amount of heat generated by the fire in a structure

Which is an advantage of a horseshoe load?

Hose loaded in this manner has fewer sharp bends than other loads.

The first thing to determine before overhaul operations begin is:

when the area is safe for operations.

Which is the type of attack line and water application device most effective for overhaul?

1-1/2" or 1-3/4" line with a combination nozzle

Which statement is correct regarding fire extinguishers and combustible metals

No single agent will control or extinguish fires in all combustible metals

Where is the rehabilitation/staging center, usually, at a high-rise fire?

Two or three floors below the fire

Which statement about washing synthetic fiber ropes is correct?

May be placed in a mesh bag in a washing machine.

What is one of the questions to consider when inspecting life safety ropes?

Has the rope been used for life safety?

Firefighters must immediately exit dangerous to life and health environment:

before the activation of their low air alarm.

Hidden fires in mattresses and stuffed or cushioned furniture are handled by:

removing the material to the outdoors.

If something suspicious is observed, you should:

Stop operations until investigators can examine what they found.

To prevent thermal damage to hose

roll dry hose in a straight roll for storgage

When applying dry powder to a Class D fire, you will need to:

use thick amounts of dry powder

Where are the main sprinkler system valves usually installed?

On the main riser, above the water supply control valve

The tendency of a substance to evaporate.

Which of the following statement is an advantage of a flat load

it is the best way to load large-diameter hose

To prevent organic damage to hose::

inspect and test hose annually and after damage.

On the emergency scene, traffic cones, flares, and other warning devices should be placed:

to slow approaching traffic and direct it away from the work area.

The cleaning procedure used on a canvas salvage cover is:

rinsing with a hose stream and scrubbing with a broom.

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WFA 37 MIDTERM PREP

101 termsStudBud Administration7 plays

A mix of different questions from each section of tests to help with upcoming midterm

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Questions 101

Answers

1
Why do compact fuels burn more slowly than less compact fuels?
Air cannot circulate as freely around the more compact fuels
Heat is more effiently radiated in less compact fuels
2
A firefighter without a spanner wrench can usually break a tight coupling if the __________ method is used.
knee-press
stiff-arm
3
The areas of a wall that are usually opened first during overhaul are the:
most heavily damaged areas.
area closest to the baseboard.
4
To determine whether there is any slippage of couplings when testing hose
check to see whether couplings remain tight
mark the hose by each coupling using a pencil/marker
5
The National Fire Protection Association Standard 1981 addresses:
station/work uniforms.
Open-Circuit Self-Contained Breathing for Emergency Services Apparatus.
Wearing saftey vests
6
The standardized term used to signal the immediate need to clear and transmit critical information is
emergency traffic
critical alert
7
In a wildland fire, which is an effective way to protect exposures?
Applying compressed-air foam to the vegetation or structure
Constructing a berm with hand tools
8
The usual cause of lightweight steel truss is the:
weight of water
amount of heat generated by the fire in a structure
9
In a one-firefighter low shoulder carry, place the:
butts pointed at the smallest person at the academy to assert dominance
bottom beam in lowered position.
top beam on their shoulder
10
Which is an advantage of a horseshoe load?
it is easier to load
Hose for shoulder carries can easily be taken from the load
Hose loaded in this manner has fewer sharp bends than other loads.
11
A technique used to prevent mechanical damage to fire hose is: mechanical damage to fire hose is:
Closing the nozzle slowly.
driving vehicles over fire hose slowly.
12
What does the W stand for in WPIV __________ post indicator valve)?
Water
Wall
13
Flashover changes the compartment to:
a tenable condition
an untenable condition.
a condition of reduced combustion due to all fuels consumed.
14
In the fire tetrahedron, what is the reducing agent?
Heat
Oxygen
Chemical chain reaction
Fuel
15
The first thing to determine before overhaul operations begin is:
rehab for firefighters has been done.
when the area is safe for operations.
16
Which is the type of attack line and water application device most effective for overhaul?
1-1/2" or 1-3/4" line with a combination nozzle
2-1/2" line with a solid stream nozzle
17
Extinguishing agents safe for use on fires in or near energized electrical equipment include:
carbon dioxide.
dry chemical and pressurized foam.
18
Which statement is correct regarding fire extinguishers and combustible metals
all chemicals agents need to be applied with a shovel or scoop
No single agent will control or extinguish fires in all combustible metals
19
Where is the rehabilitation/staging center, usually, at a high-rise fire?
Outside the fire building
Two or three floors below the fire
20
Which statement about washing synthetic fiber ropes is correct?
May be placed in a mesh bag in a washing machine.
Use only warm tap water
21
On a dry barrel hydrant the valve that controls water flow to all outlets is located __________ of the hydrant.
at the top/on the side
at the base
22
The type of hose testing conducted by the fire department is
service
pressure
23
A tie rod is a metal rod running from:
a beam to a rung.
my hopes and dreams
one beam to the other.
24
Carbon dioxide extinguishers are generally rated for _ fires
Class A and B
Class C and D
Class B and C
Class A,B, and C
25
What is one of the questions to consider when inspecting life safety ropes?
Has the rope been used for life safety?
Has the rope ever parted under load?
26
Firefighters must immediately exit dangerous to life and health environment:
before the activation of their low air alarm.
When the PASS alarm is activated
when the cylinder reads 30 percent.
27
Hidden fires in mattresses and stuffed or cushioned furniture are handled by:
removing the material to the outdoors.
soaking the material thoroughly before moving from area.
28
First arriving companies broadcast __________ reports to incoming units.
arrival
status
29
If something suspicious is observed, you should:
Make a mental note of the findings and report to the investigators later.
Stop operations until investigators can examine what they found.
30
Aspect is the:
measure of the direction in which the wind moves across a slope.
direction a slope faces.
31
A gas which is a product of incomplete combustion is:
carbon dioxide.
carbon monoxide
Oxygen
nitrogen
32
To prevent thermal damage to hose
use hot air for only short periods of time
roll dry hose in a straight roll for storgage
33
Water-soluble flammable liquids such as alchohols, and acetone are
Volatile fuels
Polar Solvents
34
Tanker tenders combined with _ can efficiently provide large
ladder trucks
portable water tanks
35
When applying dry powder to a Class D fire, you will need to:
apply the powder in small amounts to avoid spreading the fire
use thick amounts of dry powder
36
The best method for stabilizing a ladder is to secure:
both the tip and the base.
get is the mental help it needs
the tip.
tell it to get over itself and stop being a little...
37
Rollover occurs when:
the overturning of a vehicle
the energy an object possesses due to its motion
there is spontaneous ignition
pressurized smoke rises to the ceiling and then begins to rapidly bank down
38
The only time the _ call is used is in a situation where there is immediate danger to the lives of firefighters
emergency traffic
mayday
39
What effect do bends or knots in ropes have on their load-bearing capacity?
Increases it
Decreases it
40
Where are the main sprinkler system valves usually installed?
On the main riser, below the water supply control valve
On the main riser, above the water supply control valve
41
What method of fire suppression is most widely used on Class A combustibles?
Inhibition of chain reaction
Suppression
Oxidization
Cooling
42
When a hose is being rolled into twin rolls secured together by a portion of hose itself, it is a __________ roll.
self-locking
donut
43
Which procedure is an unacceptable method for drying ropes?
Suspended in a hose tower
Direct sunlight
44
Vapor pressure is:
The rate of heat energy transfer through a surface per unit area
The tendency of a substance to evaporate.
temperature
45
Which of the following statement is an advantage of a flat load
Hose loaded in this manner has fewer sharp bends than other loads
it is the best way to load large-diameter hose
46
The term used for areas adjacent to a building is:
stages
exposures
47
In the fire tetrahedron, what is the reducing agent?
Chemical chain reaction
Water
Heat
Fuel
48
To prevent organic damage to hose::
inspect and test hose annually and after damage.
inspect & thoroughly sweep clean hose that has been contaminated.
49
On the emergency scene, traffic cones, flares, and other warning devices should be placed:
should be thrown at traffic to establish control of area
within 25 feet of the incident barrier apparatus.
to slow approaching traffic and direct it away from the work area.
50
A direct attack on a wildland fire is initiated:
on either flank.
on its burning edge.
51
The cleaning procedure used on a canvas salvage cover is:
scrubbing with a solution of mild detergent and water.
rinsing with a hose stream and scrubbing with a broom.
52
When an extension ladder is __________ feet or greater in length, it will be equipped with staypoles/tormentor.
40
50
20
Over 9000
53
The process of utilizing a series of radio freq among multiple users rather than assigning a single freq to each user
transceiving.
trunking.
54
When attacking wildland fires, the anchor point may be established:
from the flanks only./inside the black
on highways or roads.
55
Concrete has excellent _ strength when it cures
compressive
tensile
56
Which statement regarding debris removal is true?
Place all small debris in the unburned areas of the building.
Place large objects away from the building.
57
Halyards on extension ladders shall be replaced:
One weekend out of the month, two weeks out of the year
by certified technicians.
when they become frayed.
After doing 100 burpees, 100 pushups, 100 cleans, and 100 squats
58
Noticeable signs of oxygen deficiency are:
Above 19.5%
increased respiratory rate and impaired muscular coordination.
headache and rapid fatigue.
59
When cleaning and caring for Personal Protective Equipment (PPE), the firefighter should:
Turn in used PPE to manufacture
Destroy used PPE
wash PPE in station washer and dryers.
Decontaminate the PPE after interior firefighting and medical calls.
60
When calling a Mayday, you should
transmit your location
stay off the radio and listen for instuctions
61
If the floor is collecting water, __________ can prevent further water absorption or damage.
using a catch-all to hold the water
using blocks to lift the objects off the floor
62
When establishing a collapse zone around a building, the minimum distance from the building must extend:
To whatever distance will not get us smoked by Odorizzi
Whatever the safety officer decides is safe.
1-1/2 times the height of the building.
63
How are flammability limits and explosive limits related?
pressurized smoke rises to the ceiling and then begins to bank down rapidly
They are interchangeable terms meaning the same thing.
They are not related
Flammability limits are used to calculate explosive limits.
64
The hose load finish designed to have the last section of hose loosely laid across the hose bed is the:
Minuteman finish
Straight finish
Skid load finish
65
Which statement regarding the hose bed is correct?
The hose bed should allow as much air circulation as possible.
The hose cover blocks sunlight that causes the rubber to deteriorate
66
The most acceptable method of controlling electricity at an emergency incident is to:
Look it dead in the eye and say "I am the captain now"
trip all breakers at the main panel.
shut the power down at the main panel.
67
There are __________ classes of fire extinguishers.
five
four
six
two
68
The maximum length of time that fire hose should be used without a service test is
twelve months
six months
69
When drying synthetic rope, keep it:
in a warm, dry, sunlit place.
out of sunlight.
70
When filling a hoseline with water for testing, a pump pressure of approximately __________ psi is maintained.
50
250
100
200
71
The knot used to tie two ropes of unqual diameter together is
bowline
sqaure knot
becket/sheet bend
72
Where are the main sprinkler system valves usually installed?
On the main riser, above the water supply control valve
On the main riser, below the water supply control valve
73
A modern building construction feature that can present a serious hazard to firefighters when exposed to fire is:
curtain walls
trusses
74
Which is true regarding structural fire helmets?
They look cool
Face shields should be tinted to reduce glare.
They must have earflaps.
75
The preferred method of applying dry chemical agents to flammable liquid spill fires is to
direct the stream up-wind and allow it to be blown onto the fire
direct the stream at the base of the fire using a sweeping motion
76
Is it appropriate to have two different types of fire extinguisher in the same area?
No, this sets up the possibility of opposing streams.
No, this may risk lay people selecting the wrong ones
Yes, there may be more than one type of combustible.
77
Which method of gaining entry into a structure is the least destructive?
Forcing an outward-opening door with a Halligan tool
Try before you pry
78
When parking the apparatus at the emergency scene, you should:
turn off lights that face opposing traffic to avoid blinding drivers.
close at least two lanes of traffic to operate more safely.
Make sure it has gas
79
The three-fire fighter carry is usually used with extension ladders up to:
75 feet.
100 feet.
50 feet.
35 feet.
80
Which statement regarding a shuttle operation is correct?
the fill site is set up first
the fill sire is the location of the water source
81
If dust and dirt on a woven-jacket fire hose cannot be removed by brushing, it should be washed with:
a stuff brush and clean water..
hot, soapy water.
82
An emergency evacuation warning should be announced at least:
one times.
four times.
two times.
three times.
83
Removing fuel with hand tools ahead of an advancing fire is:
constructing a fire line
protecting exposures.
84
A hose _ is used to seal small cuts or breaks that occur in a fire hose
jacket
clamp
85
Which of these procedures can cause serious injury or death when controlling electricity at an emergency incident?
Jumping the meter
Pulling the meter from the socket
Telling the electric company to do their job
86
The _ method is performed with two firefighters and used for breaking ttight couplings
stiff-arm
knee press
87
The tip of a ladder should be secured:
to keep it from pulling away.
when the angle is between 70-75 degrees.
when the angle is between 20-30 degrees.
88
An electric motor fire is best extinguished by using CO2 because it:
leaves no residue
provides a smothering blanket of soft foam.
89
Which is an advantage of the accordion load?
Hose loaded in this manner is less subject to wear from apparatus vibration
Hose for shoulder carries can easily be taken from the load.
90
If a nozzle must be left partly open in a structure, what technique can help reduce water damage to the structure?
Direct the flow along a baseboard.
Direct the flow out a window.
91
What is the term for locations from which an apparatus can draft?
Source locations
point of origin
Static water sources
92
The procedure for doffing personal protective clothing is:
simply a reversal of the donning procedure.
mandated by the National Fire Protection Association.
93
The organization charged with independently testing and certifying fire extinguishers is
IFSTA
National Fire Protection Association (NFPA)
Occupational Safety and Health Administration (OSHA)
Underwriters Laboratories (UL)
94
If large amounts of water need to be removed from areas lacking floor drains, you may _ to remove the water quickly.
Open exterior walls to allow for sufficient drainage
remove toilets and use the sewer system as a drain
95
A firefighter should make a conscious decision to stay or leave when air is down to ______
300
792
580
420
96
Which is a warning signal of possible backdraft conditions?
Smoke-stained windows
Inhibition of chain reaction
Smoke observed pouring out of a burned-through opening in the roof
Auto ignition
97
A multipurpose dry chemical is rated for Class _ fires
C and D
A and C
A,B, and C
B and C
98
Clean agents are
agents that have been banned
gases that do not conduct electricity
99
What is a good practice when wearing self-contained breathing apparatus?
Start to skip breathe while working at live fire training
Working in pairs as a minimum
Work alone
Leaving a dangerous area before alarm sounds
100
A bangor ladder has attachments for added leverage that are:
truss poles.
stay/support/tormentor poles.
stripper poles
101
Prior to overhaul operations, a safety officer must:
determine the cause and origin of the fire.
ensure the building is in a safe condition.

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