#1
What is the primary purpose of a fire extinguisher?
To suppress fires
ExplanationFire extinguishers are designed to suppress fires by applying an extinguishing agent to the flames.
#2
Which type of fire extinguisher is suitable for fires involving flammable liquids such as gasoline?
Class B
ExplanationClass B fire extinguishers are designed to tackle fires fueled by flammable liquids such as gasoline, oil, and grease.
#3
What is the purpose of a 'fire blanket' in fire safety?
To provide protection from radiant heat and shield against flames
ExplanationFire blankets are designed to smother small fires, providing a protective barrier against radiant heat and flames.
#4
What does the acronym 'P.A.S.S.' stand for when using a fire extinguisher?
Pull, Aim, Squeeze, Sweep
ExplanationP.A.S.S. stands for Pull the pin, Aim at the base of the fire, Squeeze the handle, and Sweep the nozzle from side to side, which are the steps for using a fire extinguisher effectively.
#5
Which of the following is NOT a recommended practice for preventing electrical fires?
Overloading electrical outlets
ExplanationOverloading electrical outlets is not recommended as it can lead to overheating and potentially cause electrical fires; instead, outlets should be used within their rated capacity.
#6
Which of the following is a common fire hazard in the kitchen?
Leaving cooking unattended
ExplanationLeaving cooking unattended is a common fire hazard in the kitchen, as it can lead to food or grease igniting on the stove.
#7
What does the acronym 'PASS' stand for in relation to using a fire extinguisher?
Pull, Aim, Squeeze, Sweep
ExplanationPASS stands for Pull the pin, Aim at the base of the fire, Squeeze the handle, and Sweep the nozzle from side to side.
#8
What does the 'NFPA 704' diamond-shaped label on a container signify?
It provides information about the chemical's potential hazards
ExplanationThe NFPA 704 label provides information about the specific hazards posed by a chemical, including health, flammability, instability, and special hazards.
#9
What is the purpose of a Material Safety Data Sheet (MSDS)?
To provide information on the hazards and safe handling procedures for chemicals
ExplanationMSDS provides detailed information on the properties of chemicals, their potential hazards, and recommended safety precautions for handling, storing, and transporting them.
#10
Which of the following is NOT a common type of fire extinguisher?
Oil extinguisher
ExplanationOil extinguisher is not a common type of fire extinguisher; common types include water, foam, dry chemical, and CO2 extinguishers.
#11
Which of the following is a key factor in determining the appropriate type of fire extinguisher to use?
The material the fire is burning
ExplanationThe material fueling the fire determines the appropriate type of extinguisher, as different extinguishing agents are effective for different types of fires.
#12
What is the recommended method for storing hazardous materials?
In a well-ventilated area away from heat sources and incompatible materials
ExplanationHazardous materials should be stored in well-ventilated areas, segregated from incompatible materials, and kept away from heat sources or ignition points.
#13
Which of the following is a common hazard associated with lithium-ion batteries?
Overheating and fire risk
ExplanationLithium-ion batteries pose a risk of overheating and fire due to their chemical composition and potential for thermal runaway.
#14
In a hazardous materials incident, what does the acronym 'HAZMAT' stand for?
Hazardous Materials
ExplanationHAZMAT stands for Hazardous Materials, referring to substances that pose a risk to health, safety, or the environment.
#15
What does the 'R' signify in the 'R.A.C.E.' acronym used for fire safety?
Rescue
ExplanationIn the R.A.C.E. acronym, 'R' stands for Rescue, emphasizing the importance of rescuing individuals in a fire emergency.
#16
Which class of fire extinguisher is appropriate for fires involving combustible metals such as magnesium or titanium?
Class D
ExplanationClass D fire extinguishers are designed specifically for fires involving combustible metals like magnesium, titanium, and potassium.
#17
What does the acronym 'SCBA' stand for in the context of firefighting?
Self-Contained Breathing Apparatus
ExplanationSCBA refers to Self-Contained Breathing Apparatus, which provides firefighters with a portable air supply, enabling them to work in smoke-filled or oxygen-deficient environments.
#18
What is the recommended method for extinguishing an electrical fire?
Cutting off the power supply and using a non-conductive extinguishing agent
ExplanationElectrical fires should be extinguished by cutting off the power supply and using a non-conductive extinguishing agent, such as a dry chemical or CO2 fire extinguisher.