EXAMINATION 2026 QUESTIONS WITH
ANSWERS GRADED A+
• At what percent oxygen concentration does the occupational safety and
health administration require that supplied air be worn? (3-8).
Answer: 19.5 % or below
• 75 degrees.
Answer: The optimal angle of inclination is approximately __?__ degrees.
When the angles deviate from __?__ degrees, the ladder stability decreases
• A variety of vowels in hose line, at hydrants, and at pumps are used to
control the flow of water. Examples of these valves include the following
three types? (5-9).
Answer: Ball valves Gate valves Clapper valves
• A minimum of 2.
Answer: What are the minimum number of RIC'S on site, in a ready state,
for immediate rescue of disoriented, injured, lost, or trapped rescue
personnel?
• 1.5.
Answer: The Collabs zone should be __?__ times the height of the structure.
• Supervisory alarm.
Answer: As the name would indicate, watch over the entire fire detection
system to ensure that all parts are functioning properly. When any one part
of the system is disabled, the trouble or alarm signal devices activate.
• 1 gallon of water expands at 212°F to make __?__ gallons of steam. (2-5).
Answer: 1700
• What are halogenated agents best known for in fire extinguishers? (4-10).
Answer: Leaving no residue, having good range, and interrupting the chain
, reaction of fire chemically or through cooling.
• The older technology uses 3% foam concentrate for hydrocarbons, while
newer foams for hydrocarbons use a __?__ concentrate.
Answer: 1%
• Frequently Stop.
Answer: Call searching, the RIC should __?__ , remain silent, and listen for
the activated pass device.
• Establishing a water supply.
Answer: There are several things that must be taken into consideration when
__?__ for firefighting operations. Things to consider include: The distance
of Hosley, the volume of water needed, and the ease and speed of
deployment.
• Brain tumors Lung cancer Emphysema Liver problems.
Answer: what are the four potential long-term consequences of exposure to
products of combustion?
• The point-to-point transmission of heat energy, as the heat transfers from
one portion of an object to another or from one object to another object.
(2-6).
Answer: Conduction
• What is the earliest phase of fire and begins with ignition? (2-8).
Answer: Incipient
• Heat transfer that takes place in the form of electromagnetic waves. (2-7).
Answer: Radiation
• Foam contains what percent of water?.
Answer: 94-99 %
• Which NFPA code identifies, defines, and describes the minimum
requirements and essential elements of an Incident Management System
(IMS) used to manage all emergency incidents? (1-13).
Answer: NFPA 1561
,• Reducing agent.
Answer: In Scientific terms, fuel is known as the __?__
• __?__ is the most readily produced toxic gas. It is produced in large
amounts when in complete combustion of organic materials is prevalent and
is present at almost every fire. (3-9).
Answer: Carbon monoxide
• * fire hose * nozzles * appliances.
Answer: In facility fire operations, hose tools and equipment consist
primarily of what three things?
• Daily, weekly, or when fire fighter reports for duty..
Answer: SCBA requires continual inspection and maintenance. Typically,
when are inspections performed?
• Fittings and appliances.
Answer: Adapters, reducers, elbows, caps and plugs, are __?__ designed
primarily for connecting hose of different sizes and thread types
• If personnel cannot see their feet, they should be down low, and they should
be tied off, if they owe more than __?__ feet off the ground. (1-8).
Answer: 6
• Supply hose.
Answer: What type of hose measures 3 inches or larger in diameter and
includes large diameter hoses of 4 inches to 12 inches?
• 1.) Oxygen 2.) Fuel 3.) chemical reaction 4.) Heat.
Answer: What are the four elements of the fire tetrahedron?
• Situation involving a __?__ are very dangerous because they can : stop the
flow of water to fires, and your fire brigade members and bystanders, and
damage property. (5-7).
Answer: Burst fire hose
• In order to reduce __?__ , it is important to try the following: Use larger
diameter hoses or multiple lines. Use short hose lines. Eliminate sharp bends
, in the hose lines. (5-18).
Answer: Pressure loss due to friction
• 1.) cooling 2.) containing the fire 3.) Controlling a certain aspect of the
situation.
Answer: Master streams are usually used to achieve one of what three
things?
• Most common limitations with protective clothing.
Answer: Reduced mobility, reduce dexterity, increase fatigue, and reduced
heat detection, are what?
• 17%.
Answer: At what percent oxygen concentration does impairment occur?
• __?__ refers to the rapid transition from the growth stage or early decay
stage to a ventilation-limited, fully developed stage. (2-10).
Answer: Rapid fire Development
• True or false: when replacing a burst hose, always bring two sections to
replace the one..
Answer: True
• What class fires involve combustible metals such as magnesium, titanium,
sodium, or potassium? (2-4).
Answer: Class D
• What NFPA code limits incipient fire brigades to the use of 1.5 inch or
smaller hoses further limit them by not allowing to use protective clothing
or AirPacks? (5-4).
Answer: NFPA 600
• 500 gpm.
Answer: Water is the best medium to aid in preventing the overpressuring of
the vessel. The application of a minimum of __?__ at each point of flame
impingement generally prevents the overpressuring of a vessel
• What is The mixture obtained when foam concentrate is proportioned with