NFPA 10 Portable Fire Extinguishers Exam-Prep| Questions with Verified Answers | 100% Correct| Latest 2025/2026 Update- Grade A.

NFPA 10 Portable Fire Extinguishers Exam-Prep|
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Questions with Verified Answers | 100% Correct| i,- i,- i,- i,- i,- i,- i,-




Latest 2025/2026 Update- Grade A. i,- i,- i,- i,-




Which extinguishers are required to have a rating number
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preceding the classification letter? Class A & B extinguishers
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Which extinguishers do not require a number before the
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classification letter? Classes C, D and K i,- i,-i,- i,- i,- i,- i,- i,-




Wheeled fire extinguishers can be considered for hazard
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protection for what reasons? High hazard areas are present
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and limited personnel: requiring:
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High flow rate i,- i,-




Increased stream range i,- i,-




Increased capacity i,-




a High-Pressure Cylinder is held to what pressure?
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than 500 psi i,- i,-




A Low-Pressure cylinder is held to what pressure?
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less at 70℉
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, a Light Hazard is what?
i,- Quantity and combustibility of class A
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& B are low and Quantity of Class b is less that 1 gallon
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Ordinary Hazard is what? Quantity and combustibility of
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Class A & B are moderate. Total quantity of Class B is 1 gallon - 5
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gallon


What is an Extra Hazard
i,- Quantity and combustibility of Class
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A & B are High or were high amounts of Class B are present. Total
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quantity of Class B is over 5 gallons i,- i,- i,- i,- i,- i,- i,-




Class B fires require that the discharge rate be what?
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greater and a discharge rate of 1 lb/sec
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3-Dimensional fires require what discharge rate? i,- i,- i,- i,- i,- i,-i,- i,- 10lb or i,- i,-



greater and a discharge rate of 1 lb/sec
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Aqueous Film Forming Foam and Film Forming Flouride Protein
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Foam shall NOT be used for what?
i,- The protection of water-
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soluble flammable liquids, such a alcohol, acetone, esters,
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ketones, unless specifically referenced on the fire extinguisher
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