Portable Fire Extinguishers Practice Test

These questions are part of the practice quiz. Start practicing

• Which fire class is typically addressed by specialty extinguishers rather than standard ABC models?
• A water extinguisher is contraindicated for a fire involving _____.
• Which dry-chemical extinguishing agent is rated as suitable for Class A fires?
• Which extinguishers are suitable for Class D fires?
• If an extinguisher has been discharged, even partially, what should be done before reuse?
• Combustible metals are categorized as _____ fires.
• Which mounting practice helps protect extinguishers from damage?
• What is the main purpose of NFPA 10?
• Which fire classes are typically addressed by portable extinguishers in the United States?
• When quickly selecting a fire extinguisher for use on a sofa fire, the _____ would be the appropriate shape and color combination.
• The colored background for a _____ extinguisher is a blue circle.
• A trained individual with a suitable fire extinguisher can usually control a(n) _____ stage fire.
• How would you interpret a fire extinguisher labeled 3-A:40-B:C?
• A Class K portable extinguisher is typically used in which setting?
• Which standard is commonly referenced for extinguisher maintenance intervals?
• ______ is more corrosive than the other dry-chemical extinguishing agents.
• If an extinguisher's label is missing or damaged, what is the recommended course of action?
• A(n) _____ is a material used to stop the combustion process.
• _____, the original dry-chemical agent, is often used in small household fire extinguishers.
• Which factors influence the placement of portable extinguishers in a building?
• The device used to secure the pin on a portable extinguisher is called a:
• How far away should you stand from a small fire when beginning to discharge?
• Water-based extinguishers should not be used on electrical fires because water conducts electricity.
• Which action is correct if you are unsure about the fire class?
• How should you sweep the extinguisher during discharge?
• Water mist extinguishers are constructed similarly to stored-pressure water-type extinguishers and are typically white in color. What color are water mist extinguishers?
• What is the best practice for training employees on extinguisher use?
• What term describes an area with low hazard where fires are unlikely to spread?
• Which extinguisher is primarily used outdoors for brush and grass fires?
• The pictograph of a flame and a gasoline can represent a _____ extinguisher.
• What is the correct technique for aiming when using a portable extinguisher?
• Hydrostatic testing checks what condition in the cylinder?
• The _____ sits upright on the ground during use and is steadied by the foot of the operator.
• A _____ fire extinguisher delivers a stream of dry chemicals onto a fire.
• Which color circle background indicates a Class C extinguisher?
• The colored background for a _____ extinguisher is a yellow star.
• An advantage of water mist fire extinguishers is that they _____.
• For Class A fires, which extinguishers are generally suitable?
• A special plastic tie used to secure the pin on a portable fire extinguisher is called:
• _____ is a chemical compound stored in fine granular or powdered form and used to extinguish Class D fires.
• What is the purpose of a fire extinguisher's discharge horn or nozzle?
• Energized electrical equipment is categorized as a _____ fire.
• If a fire starts but is too large to fight with a portable extinguisher, what should you do?
• NFPA standards for firefighting apparatus include Aircraft Rescue and Firefighting Vehicles, Automotive Fire Apparatus, Wildland Fire Apparatus, and Automotive Ambulances.
• What is the correct response if you accidentally discharge an extinguisher in a computer server room?
• Which extinguisher is designed for cooking oil fires and uses a wet-chemical agent?
• Why are there different colors or pictograms on extinguisher labels?
• Which statement best describes a stored-pressure fire extinguisher?
• When should you break the tamper seal on an extinguisher?
• What is a common sign that an extinguisher is past its service life?
• Which document outlines the placement of extinguishers within facilities?
• Which extinguishing agent contains potassium bicarbonate, sodium bicarbonate, mica, Fuller's earth and amorphous silica?
• Water mist extinguishers are described as being white and similar in construction to stored-pressure water extinguishers. Which statement is true?
• The term fire load is described as the total ______.
• Which extinguisher is most suitable for small electrical equipment fires where water would damage equipment?
• Which factor best describes how the fire class relates to extinguisher use?
• If you detect a gas leak near an extinguisher, what action should you take?
• Which class of extinguisher is indicated by a pictograph of a flame and a gasoline can?
• In a rating of 1-A:5-B:C, what does the "B" rating indicate?
• Which standard provides the mounting-height requirements for portable extinguishers?
• What does the C rating denote on an extinguisher?
• An _____ area contains more Class A and Class B materials than light hazard locations, and the combustibility and heat release rate of the materials are moderate.
• Which statement describes the typical disadvantage of portable fire extinguishers?
• Pressure gauges are usually color-coded, with a _____ area indicating the proper pressure zone.
• A _____ converts the fatty acids in cooking oils or fats to a soap or foam.
• Wet-chemical extinguishers are designed to combat which class of fire?
• The extinguishing agent is expelled through the _____ of a fire extinguisher.
• The bottom of a mounted fire extinguisher must be _____.
• A polar solvent is described as water-soluble and flammable; which of the following is a polar solvent?
• What does the rating 2-A:10-B:C tell you?
• What indicates a charged, ready-to-use extinguisher on the gauge?
• Which organization developed Purple K?
• Which statement best describes the recommended approach to checking for leaks or damage on extinguishers during routine inspection?
• How should you store extinguishers to protect them from damage?
• A pressure _____ is a gauge that shows whether a fire extinguisher has sufficient pressure to operate properly.
• A(n) _____ would be an appropriate location for a Class K portable extinguisher.
• Which of the following best describes Class K designation?
• The pictograph of a burning trash can beside a wood fire represents which class extinguisher?
• Which class is associated with cooking oil fires?
• What does the tamper seal on an extinguisher indicate?
• A stored-pressure water-type fire extinguisher expels water in a solid stream with a range of _____.
• The stored-pressure water-type extinguisher with a 2-A rating carries ____ of water.
• Fire extinguishers are rated not only for their ability to control a specific type of fire, but also for the extinguishing agent's ability to prevent rekindling.
• What items are typically addressed during annual extinguisher maintenance by a professional?
• A portable extinguisher with a black hexagon on the label could be found in a _____.
• What should you do if you notice paint or chemical leaks on the extinguisher cylinder?
• If your extinguisher’s seal is broken but it was not discharged, what should you do?
• Wet chemicals, dry powders, and water with additives are all examples of _____.
• Kitchen fires involving oils and fats are categorized as _____ fires.
• The pictograph of flames in a frying pan represents a _____ extinguisher.
• Which statement about a Class A, B, C rating on an extinguisher is correct?
• When must a maintenance technician perform a hydrostatic test on an extinguisher?
• Fires are categorized into _____ classes.
• Why is a cool, dry location important for extinguisher storage?
• The P in the PASS acronym stands for:
• All fires require four elements: fuel, heat, oxygen, and _____.
• Fire extinguishers weighing up to 40 pounds must be mounted so that the top is not more than _____ feet above the floor.
• What does PASS stand for when using a portable extinguisher?
• Which component is the simple, quick-release device that prevents accidental discharge?
• When mounting fire extinguishers, it is important to mount them so that they are _____.
• What is the role of the extinguisher label?
• How can you verify the extinguisher is appropriate for Class B fires?
• The hydrostatic testing requirements for fire extinguishers are established by the _____.
• If the pressure gauge needle is in the green area, what does this indicate?
• What is the recommended maximum distance from any point to a fire extinguisher from normal travel paths?
• The colored background for a _____ extinguisher is a red square.
• Which statement about water mist extinguishers is true?
• What items are typically checked during a monthly extinguisher inspection?
• Why are regular extinguisher inspections important?
• A _____ is the identifying shape for a Class C extinguisher.
• _____ are required of all fires for continued combustion.
• What is the top height limit for portable extinguishers weighing up to 40 pounds?
• Monoammonium phosphate is also known as _____.
• Which of the following is NOT listed as an example of a polar solvent in the material?
• A(n) _____ is an area where the quantity, combustibility, and heat release rate of the materials are low, and most materials are arranged so that a fire is not likely to spread.
• During a monthly extinguisher inspection, which item is checked regarding the seal?
• The fire load is defined as the total quantity of what?
• What should you do before attempting to use an extinguisher on a fire?
• Which of the following options best describes why CO2 or dry chemical extinguishers are used on electrical fires instead of water-based extinguishers?
• Which class of fires involves combustible metals?
• How can you prevent extinguisher theft or tampering in a facility?
• Which dry chemical agent is used to fight Class A fires?
• A wet-chemical fire extinguisher uses wet-chemical agents to extinguish _____ fires.
• What is a common hazard when using a CO2 extinguisher in an enclosed space?
• Purple K is how many times more effective than CO2?
• What does a dry chemical extinguisher do to suppress a fire?
• What is the general recommended action after using an extinguisher on a small fire?
• Which extinguishing agents are considered appropriate for electrical fires?
• The colored background for a _____ extinguisher is a green triangle.
• A _____ holds both the extinguishing agent and the expeller gas under pressure in the body of the extinguisher.
• What should you do if the pressure gauge needle points to the red zone?
• What is the recommended action if a fire is expanding rapidly despite a few seconds of extinguishing?
• NFPA _____ is the standard for Aircraft Rescue and Firefighting Vehicles, Automotive Fire Apparatus, Wildland Fire Apparatus, and Automotive Ambulances.
• What is a risk of using an extinguisher near a person with a respiratory condition?
• The letter 'A' in the acronym PASS stands for _____.
• Which statement correctly describes ordinary hazard materials?
• A(n) _____ hazard area contains more Class A and Class B materials than ordinary hazard locations, and the combustibility and heat release rate of the materials is high.
• Which color background or symbol identifies Class D extinguishers?
• Wheeled fire extinguishers typically contain _____ of extinguishing agent.
• The pictograph of a flame and an electrical plug and socket represents which class extinguisher?
• Which statement is true about Class A foam concentrate?
• Class A foam concentrate is sometimes referred to as _____.
• Why should water-based extinguishers not be used on electrical fires?
• What should be included on an extinguisher maintenance tag?
• Class K extinguishers are intended for which type of fire?
• The _____ is the organization that developed the standards, classification, and rating system for portable fire extinguishers in the United States.
• A _____ discharges a solution of water containing an alkali metal salt that prevents the freezing of the extinguishing agent.
• Which extinguishing agents are appropriate for electrical fires?
• What filing or record-keeping practice supports preventing tampering?
• Why is it important to keep extinguishers mounted and unobstructed?
• For Class B fires, which extinguishers are generally suitable?
• Which extinguishers are suitable for Class K fires?
• In most office environments, extinguisher placement should be which of the following?
• For Class C fires, which extinguishers are suitable?
• On Class B fire extinguishers, the number in the rating indicates the approximate ____.
• A stored-pressure water-type extinguisher rated 2-A contains how many gallons of water?
• How often are hydrostatic tests required for most portable extinguishers?
• Some extinguishing agents, such as _____, are self-expelling agents.
• An extinguisher's rating reflects its ability to prevent rekindling.
• In the PASS method for extinguisher use, what does the letter P represent?
• Which class requires dry powder extinguishers?
• When determining extinguisher placement, which factor is essential?
• Which class of extinguisher is associated with electrical fires?
• The pictograph showing a flame and a gear identifies which class extinguisher?
• _____ is a colorless, odorless, nontoxic gas that is 1.5 times heavier than air.
• Which class of fire includes energized electrical equipment?
• Which extinguisher is specifically designed for commercial kitchen oil fires (Class K)?
• Which statement best describes Class D fires?
• Which statement is true about water-based extinguishers?
• After an annual extinguisher maintenance, which item is typically updated?
• A disadvantage of fire extinguishers is that they are ______.
• _____ would be considered light hazard areas.
• When should you not attempt to extinguish with a portable extinguisher?
• NFPA _____ outlines the placement of fire extinguishers.
• What is the difference between stored-pressure and cartridge-operated extinguishers?
• The colored background for a Class K extinguisher is a black hexagon.
• In 1959, the U.S. Navy Research Laboratory developed a dry chemical called _____, which is five times more effective that CO2.
• A stored-pressure water-type extinguisher expels water in a solid stream.