NFPA 1001 Exam 2025 Questions and
Answers
What tool combination is referred to as "the irons"? - ANSWER✔✔-Halligan and flat head axe
What is the exhaust hose in Richmond called? - ANSWER✔✔-Nederman
What is it called when you are attaching appliances to a hydrant? - ANSWER✔✔-Dressing a
hydrant
What is the term for setting up a fire hydrant? - ANSWER✔✔-Catching a hydrant
What does BLEVE stand for? - ANSWER✔✔-Boiling Liquid Expanding Vapor Explosion
What is flashpoint? - ANSWER✔✔-Minimum temperature at which a liquid fuel gives off sufficient
vapors to form an ignitable mixture with the air near the surface
What is fire point? - ANSWER✔✔-The temperature at which sustained combustion of the vapor
will occur
What is Lower Explosive Limit (LEL)? - ANSWER✔✔-Lowest concentration of a gas or vapor in
air that is capable of producing a flash of fire in presence of an ignition source
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 1
,What is Upper Explosive Limit (UEL)? - ANSWER✔✔-Maximum level of concentration of the gas
that will burn when mixed with oxygen
What do all threshold limit values (short term exposure limit, time weighted average, ceiling) have in
common? - ANSWER✔✔-The lower the threshold limit value, the more toxic the substance
What does IDLH stand for? - ANSWER✔✔-Immediately Dangerous to Life and Health
What is the Personal Alert Safety System (PASS)? - ANSWER✔✔-A device that continually
monitors for lack of movement of the wearer and automatically activates an alarm signal if no
movement is detected
What are the NFPA's three classes of chemical protective clothing? - ANSWER✔✔-Class 2: liquid-
splash with SCBA
Class 3: liquid-splash with Air-purifying respirator (APR)
Class 4: performance requirements for particles and liquid-borne viral protection
What does CBRN certified mean in reference to SCBA and APR? - ANSWER✔✔-Safe to use
during chemical, biological, radiological, or nuclear incident
What does SAR stand for? - ANSWER✔✔-Supplied-Air Respirator
What is a Closed-Circuit SCBA? - ANSWER✔✔-Exhaled air is scrubbed free of carbon dioxide,
supplemented with a small amount of oxygen, and "rebreathed" by the wearer
What are Air-Purifying Respirators (APR)? - ANSWER✔✔-Filtering devices or particulate
respirators that remove particulates, vapors, and contaminants from the air before being inhaled
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 2
,What is the rank structure of a fire department referred to as? - ANSWER✔✔-Chain of command
What is the role of a safety officer? - ANSWER✔✔-Identify and evaluate hazards and provide
direction with respect to the safety of operations for the incident
What is the role of a liaison officer? - ANSWER✔✔-Coordinating with representatives from
cooperating and assisting agencies
What is the role of the public information officer (PIO)? - ANSWER✔✔-Functions as a point of
contact for the media or any other entity seeking information about the incident
How can a captain be identified? - ANSWER✔✔-Two white stripes
How can a chief be identified? - ANSWER✔✔-Gold stripes or white helmet
What does STEL stand for? - ANSWER✔✔-Short Term Exposure Limit (15 min exposure no
more than four times a day)
What does REL stand for? - ANSWER✔✔-Recommended Exposure Limit (over a 10 hour period)
What are the four levels of chemical protective clothing? - ANSWER✔✔-Level A: fully
encapsulating garment with SCBA
Level B: multi-piece with SCBA used when less skin protection is required
Level C: APR or PAPR with standard work clothing and PPE
Level D: standard work clothing and PPE
What does SAR stand for? - ANSWER✔✔-Supplied Air Respirator
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 3
, What is a forward hose lay? - ANSWER✔✔-Is made from the water source, such as a hydrant, to
the attack pump or fire
What is a reverse hose lay? - ANSWER✔✔-Is made from the attack pump or fire, to a water source
such as a hydrant
What is a split hose lay? - ANSWER✔✔-The attack pump performs a forward hose lay from the
mid point to the fire. The water supply pump performs a reverse hose lay from the mud point to the
water source
Describe a flat hose load - ANSWER✔✔--easiest technique to implement
-can be used for any size hose
-hose should lay out flat with no twists or kinks
Describe a horseshoe hose load - ANSWER✔✔--accomplished by placing the hose on its edge and
positioning it around the perimeter of the hose bed in a u-shape
-cannot be used for LDH
-contains fewer sharp bends than other hose loads
Describe an accordion hose load - ANSWER✔✔--performed with hose placed on its edge
-hose is laid side for side in the hose bed
-not recommended for LDH
What are the three most common hose loads for pre connected attack lines? - ANSWER✔✔-
Minuteman, flat hose, and triple layer
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 4
Answers
What tool combination is referred to as "the irons"? - ANSWER✔✔-Halligan and flat head axe
What is the exhaust hose in Richmond called? - ANSWER✔✔-Nederman
What is it called when you are attaching appliances to a hydrant? - ANSWER✔✔-Dressing a
hydrant
What is the term for setting up a fire hydrant? - ANSWER✔✔-Catching a hydrant
What does BLEVE stand for? - ANSWER✔✔-Boiling Liquid Expanding Vapor Explosion
What is flashpoint? - ANSWER✔✔-Minimum temperature at which a liquid fuel gives off sufficient
vapors to form an ignitable mixture with the air near the surface
What is fire point? - ANSWER✔✔-The temperature at which sustained combustion of the vapor
will occur
What is Lower Explosive Limit (LEL)? - ANSWER✔✔-Lowest concentration of a gas or vapor in
air that is capable of producing a flash of fire in presence of an ignition source
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 1
,What is Upper Explosive Limit (UEL)? - ANSWER✔✔-Maximum level of concentration of the gas
that will burn when mixed with oxygen
What do all threshold limit values (short term exposure limit, time weighted average, ceiling) have in
common? - ANSWER✔✔-The lower the threshold limit value, the more toxic the substance
What does IDLH stand for? - ANSWER✔✔-Immediately Dangerous to Life and Health
What is the Personal Alert Safety System (PASS)? - ANSWER✔✔-A device that continually
monitors for lack of movement of the wearer and automatically activates an alarm signal if no
movement is detected
What are the NFPA's three classes of chemical protective clothing? - ANSWER✔✔-Class 2: liquid-
splash with SCBA
Class 3: liquid-splash with Air-purifying respirator (APR)
Class 4: performance requirements for particles and liquid-borne viral protection
What does CBRN certified mean in reference to SCBA and APR? - ANSWER✔✔-Safe to use
during chemical, biological, radiological, or nuclear incident
What does SAR stand for? - ANSWER✔✔-Supplied-Air Respirator
What is a Closed-Circuit SCBA? - ANSWER✔✔-Exhaled air is scrubbed free of carbon dioxide,
supplemented with a small amount of oxygen, and "rebreathed" by the wearer
What are Air-Purifying Respirators (APR)? - ANSWER✔✔-Filtering devices or particulate
respirators that remove particulates, vapors, and contaminants from the air before being inhaled
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 2
,What is the rank structure of a fire department referred to as? - ANSWER✔✔-Chain of command
What is the role of a safety officer? - ANSWER✔✔-Identify and evaluate hazards and provide
direction with respect to the safety of operations for the incident
What is the role of a liaison officer? - ANSWER✔✔-Coordinating with representatives from
cooperating and assisting agencies
What is the role of the public information officer (PIO)? - ANSWER✔✔-Functions as a point of
contact for the media or any other entity seeking information about the incident
How can a captain be identified? - ANSWER✔✔-Two white stripes
How can a chief be identified? - ANSWER✔✔-Gold stripes or white helmet
What does STEL stand for? - ANSWER✔✔-Short Term Exposure Limit (15 min exposure no
more than four times a day)
What does REL stand for? - ANSWER✔✔-Recommended Exposure Limit (over a 10 hour period)
What are the four levels of chemical protective clothing? - ANSWER✔✔-Level A: fully
encapsulating garment with SCBA
Level B: multi-piece with SCBA used when less skin protection is required
Level C: APR or PAPR with standard work clothing and PPE
Level D: standard work clothing and PPE
What does SAR stand for? - ANSWER✔✔-Supplied Air Respirator
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 3
, What is a forward hose lay? - ANSWER✔✔-Is made from the water source, such as a hydrant, to
the attack pump or fire
What is a reverse hose lay? - ANSWER✔✔-Is made from the attack pump or fire, to a water source
such as a hydrant
What is a split hose lay? - ANSWER✔✔-The attack pump performs a forward hose lay from the
mid point to the fire. The water supply pump performs a reverse hose lay from the mud point to the
water source
Describe a flat hose load - ANSWER✔✔--easiest technique to implement
-can be used for any size hose
-hose should lay out flat with no twists or kinks
Describe a horseshoe hose load - ANSWER✔✔--accomplished by placing the hose on its edge and
positioning it around the perimeter of the hose bed in a u-shape
-cannot be used for LDH
-contains fewer sharp bends than other hose loads
Describe an accordion hose load - ANSWER✔✔--performed with hose placed on its edge
-hose is laid side for side in the hose bed
-not recommended for LDH
What are the three most common hose loads for pre connected attack lines? - ANSWER✔✔-
Minuteman, flat hose, and triple layer
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 4