NFPA 10 Study Guide Questions and
Answers 100% Pass
Class A Fires are what? - ANSWER-Ordinary Materials such as wood, cloth,
paper, rubber, and many plastics
Class B Fire are what? - ANSWER-Flammable liquids, combustible liquids,
combustible liquids, petroleum greases, tars, oils, oil based paints, solvents, laquers,
alcohols and flammable gases
Class C Fires are what? - ANSWER-Electrical Fires
Class D Fires are what? - ANSWER-Combustible Metals such as Magnesium,
Zirconium, Titanium
Class K Fires are what? - ANSWER-Fires in cooking appliances that involve
combustible cooking media (Vegetable or animal oils and fats)
Fire Extinguishers containing only plain water shall be protected at temperatures as
low as what? - ANSWER--40℉, by the use of Antifreeze
What Shall not be used in stainless steel extinguishers? - ANSWER-Calcium
Chloride
©️COPYRIGHT 2025, ALL RIGHTS RESERVED. 1
, Fire Extinguishers shall be located so that the maximum distance of travel is what?
- ANSWER-less that 75ft
Tag or label, as a minimum shall identify what? - ANSWER-Month and year
maintenance was performed
Person performing work
Name of Agency performing work
Internal Examination of dry chem with brazed brass shells, halogenated agents,
and dry powder stored_pressure with steel shells shall occur when? - ANSWER-6
Years
Which extinguishers are required to have a rating number preceding the
classification letter? - ANSWER-Class A & B extinguishers
Which extinguishers do not require a number before the classification letter? -
ANSWER-Classes C, D and K
Wheeled fire extinguishers can be considered for hazard protection for what
reasons? - ANSWER-High hazard areas are present and limited personnel:
requiring:
High flow rate
Increased stream range
Increased capacity
©️COPYRIGHT 2025, ALL RIGHTS RESERVED. 2
Answers 100% Pass
Class A Fires are what? - ANSWER-Ordinary Materials such as wood, cloth,
paper, rubber, and many plastics
Class B Fire are what? - ANSWER-Flammable liquids, combustible liquids,
combustible liquids, petroleum greases, tars, oils, oil based paints, solvents, laquers,
alcohols and flammable gases
Class C Fires are what? - ANSWER-Electrical Fires
Class D Fires are what? - ANSWER-Combustible Metals such as Magnesium,
Zirconium, Titanium
Class K Fires are what? - ANSWER-Fires in cooking appliances that involve
combustible cooking media (Vegetable or animal oils and fats)
Fire Extinguishers containing only plain water shall be protected at temperatures as
low as what? - ANSWER--40℉, by the use of Antifreeze
What Shall not be used in stainless steel extinguishers? - ANSWER-Calcium
Chloride
©️COPYRIGHT 2025, ALL RIGHTS RESERVED. 1
, Fire Extinguishers shall be located so that the maximum distance of travel is what?
- ANSWER-less that 75ft
Tag or label, as a minimum shall identify what? - ANSWER-Month and year
maintenance was performed
Person performing work
Name of Agency performing work
Internal Examination of dry chem with brazed brass shells, halogenated agents,
and dry powder stored_pressure with steel shells shall occur when? - ANSWER-6
Years
Which extinguishers are required to have a rating number preceding the
classification letter? - ANSWER-Class A & B extinguishers
Which extinguishers do not require a number before the classification letter? -
ANSWER-Classes C, D and K
Wheeled fire extinguishers can be considered for hazard protection for what
reasons? - ANSWER-High hazard areas are present and limited personnel:
requiring:
High flow rate
Increased stream range
Increased capacity
©️COPYRIGHT 2025, ALL RIGHTS RESERVED. 2