What is self-sustained rapid oxidation that produces heat and light?
Pyrolysis
Fire
Reduction
Combustion
Question 2
of
50
Which state of matter will burn?
Liquid
Gas
Solid
Gel
Question 3
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50
What is heat transfer through direct contact between objects of different temperature?
Radiation
Convection
Conduction
Electromagnetism
Question 4
of
50
What is heat transfer through infrared rays?
Electromagnetism
Radiation
Convection
Conduction
Question 5
of
50
In the NFDRS fuel models, ______ is one of the four broad fuel groups.
Flashy
Live
Aerial
Brush
Question 6
of
50
A mixed hardwood forest predominates in what region of the country?
East
South
North
West
Question 7
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50
Prairie grasses, cypress, larch, pine, fir and spruce are most common in which region of Canada?
West
East
North
South
Question 8
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50
What is the effect of heat energy from the sun on wildland fuels?
Reduce moisture content
Lower ignition temperature
Reduce flash point
Provide an ignition source
Question 9
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50
The diameter of a 100-hour fuel ranges from ____ to ____ inches.
1 - 3
1 - 4
2 - 4
3 - 8
Question 10
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50
"The rate of increase in the total perimeter of a fire" is the __________.
Aspect ratio
Growth rate
Burn area
Rate of spread
Question 11
of
50
Which item is the best example of a ladder fuel?
A deciduous tree
Grass
Leaves
A low hanging branch
Question 12
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50
What is the term for fuel that is evenly spread out over an area?
Continuous
Uninterrupted
Unbroken
Compact
Question 13
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50
What is the term for a sudden increase in fire intensity and spread?
Head
Blowup
Spot
Finger
Question 14
of
50
What is the term for the top layer of an inversion?
Thermal belt
Lid
Inversion stratum
H-band
Question 15
of
50
Plants retain more moisture in cooler air than in warmer air because cooler air __________.
Is accompanied by less solar radiation
Permits the formation of dew
Holds less moisture than warm air
Holds more moisture than warm air
Question 16
of
50
Fire location data is based upon ________ north.
Relative
True
Magnetic
Isogonic
Question 17
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50
Which is the most influential factor in making high-intensity fires especially difficult to control?
Pre-heating of unburned fuels
Tendency to create multiple spot fires
Susceptibility to changes in wind conditions
Rapid flame front advance
Question 18
of
50
The NFPA Standard for Automotive Fire Apparatus is number ______.
1500
1002
1901
11C
Question 19
of
50
What type of apparatus is especially well suited for attacking roadside fires and for structure protection in the wildland/urban interface?
Municipal structural apparatus
Mini-pumper
Quick attack apparatus
Rapid intervention vehicle
Question 20
of
50
A type _____ engine has a minimum crew of three and a 500 gpm pump.
3
4
2
1
Question 21
of
50
What is a disadvantage of auxiliary engine-driven pumps?
Poorly suited to mobile operations
The pump/drive unit adds weight and occupies space
Susceptible to damage due to reduced ground clearance
Cooling water shared by the auxiliary engine may cause overheating
Question 22
of
50
When lifting water 10 feet during a drafting operation, the pump output will be about _______% of rated capacity.
80
60
100
70
Question 23
of
50
Which statement about wildland apparatus water tanks is correct?
Tanks may be constructed of metal or polycarbonate plastic
No baffles are required if the tank capacity is less than 150 gallons
A vent hole must be provided in addition to the fill opening on the top of the tank
All tank vent openings must be equipped with a pressure relief valve
Question 24
of
50
Which one of these factors has the greatest influence on maneuverability and stability?
Number of drive wheels
Ground clearance
Power-to-weight ratio
Weight
Question 25
of
50
In a compressed-air foam system (CAFS), compressed air is injected into the __________.
Discharge water
Foam concentrate
Supply water
Foam solution
Question 26
of
50
Which statement about steps on wildland apparatus is correct?
The lowest step may be no higher than 24 inches off the ground
Steps may be no farther than 14 inches apart
Steps must be able to support a minimum of 300 lbs.
Access ladder rungs must be at least 6 inches away from the vehicle body
Question 27
of
50
What is the most efficient way to transfer water from a mobile water supply apparatus to a portable tank?
By gravity through a gated discharge valve
Drafting from the tank
Pumping water through the tender's pump
Using the quick-dump discharge
Question 28
of
50
The ICS designation for a light dozer is a Type-_____.
3
2
1
There is no ICS designation for light dozers
Question 29
of
50
In wildland operations, what are fixed wing aircraft most frequently used for?
Transport of personnel
Conducting aerial ignition
Transport of equipment
Suppression or retardant agent drops
Question 30
of
50
What is the preferred method of communication for wildland operations?
Clear text
Face-to-face
Cellular phone
Two-way radio
Question 31
of
50
When carrying and using hand tools, how far apart should firefighters be?
5 ft
15 ft
10 ft
3 ft
Question 32
of
50
Which tool has a wide hoe blade on one side of the head, and a rake with large tines on the other?
Combination
Halligan
Pulaski
McLeod
Question 33
of
50
Which statement about two-stroke engines is correct?
It takes two non-power strokes to produce one power stroke
They are no longer being manufactured due to environmental concerns
They require a specific gas-oil fuel mixture to prevent damage to the engine
They are less prone to spark plug fouling than four-stroke engines
Question 34
of
50
NFPA standards require that a pump intended to be carried by firefighters to a water source weigh a maximum of ______ lbs.
125
100
150
175
Question 35
of
50
Which pump type requires priming?
Gear
Piston
Diaphragm
Centrifugal
Question 36
of
50
All of the following are types of fire hose used in wildland firefighting operations EXCEPT ONE. CHOOSE THE EXCEPTION.
Noncollapsible rubber hose
Hard suction hose
Noncollapsible woven hose
Unlined fire hose
Question 37
of
50
Which appliance divides a single hoseline into two or more smaller lines?
Wye
Siamese
Water thief
Increaser
Question 38
of
50
Which one of these statements about wildland helmets is correct?
A polystyrene half-shell liner may be used in place of a suspension system
A chin strap is required
The shell should be cleaned with a mild abrasive cleanser
No helmets satisfy NFPA requirements for both structural and wildland use
Question 39
of
50
A water system that distributes water through mains from the source to consumers is referred to as a __________ system.
Public
Municipal
Underground
Piped
Question 40
of
50
When drafting from a static water source, as elevation above sea level increases, maximum lift __________.
Increases
Not enough information to answer this question
Stays the same
Decreases
Question 41
of
50
How long should it take to prime a centrifugal pump drafting a 10 foot lift?
Less than 30 seconds
30 to 45 seconds
One to two minutes
60 to 90 seconds
Question 42
of
50
Which type of foam is used most often in wildland applications?
Low expansion
Aspirated
Protein
Fluorocarbon
Question 43
of
50
The most commonly used foam for wildland applications is _______ expansion.
Medium
Very high
High
Low
Question 44
of
50
What is an advantage of durable agents over class A foam?
They have a longer shelf life
They are also effective on class B fires
They retain hydration much longer
They have superior penetrating ability
Question 45
of
50
For most applications, durable agents should be mixed in water at a concentration of _____ to _____ percent.
2.5 to 5.0
0.1 to 1.0
1.0 to 3.0
1.0 to 5.0
Question 46
of
50
Which document identifies the possibilities, priorities, resources and strategies for dealing with various possible emergencies before they actually occur?
Incident command system
Incident action plan
Pre-incident plan
Standard operating procedures
Question 47
of
50
Which map shows natural terrain features?
Planometric
Regional
Topographic
Orthophoto
Question 48
of
50
Which one of these standard ICS forms is of the greatest importance to firefighters?
Division assignment list
Deployment list
Incident briefing
Organizational assignment list
Question 49
of
50
According to the NIIMS ICS, effective span of control is ______ subordinates per supervisor.
5 to 10
7
3 to 7
2 to 5
Question 50
of
50
Which one of these statements about initial response for a wildland incident is the most correct?
The majority of wildland fires require more than the initial response to achieve control
The IC and Safety Officer roles should be filled by two different individuals
Initial response for a wildland fire should consist of all available resources
The first-in unit supervisor maintains command until the incident exceeds the supervisor's span of control