Fire Extinguisher Training: Online Quizzes and Learning Resources

Question 1

What is the correct sequence of steps when using a fire extinguisher using the acronym PASS?

Accepted Answer

Pull-Aim-Squeeze-Sweep

Answer

Aim-Pull-Squeeze-Sweep

Answer

Squeeze-Aim-Pull-Sweep

Answer

Sweep-Aim-Pull-Squeeze

Question 2

When should you evacuate a building during a fire?

Accepted Answer

When the smoke becomes thick and black

Answer

When the fire is small and contained

Answer

When the fire alarm sounds

Answer

Never

Question 3

Which of the following should you NEVER do when using a fire extinguisher?

Accepted Answer

Turn your back to the fire

Answer

Approach the fire from downwind

Answer

Aim the extinguisher at the base of the fire

Answer

Use the extinguisher until the fire is completely out

Question 4

What is the difference between a Class A and a Class B fire extinguisher?

Accepted Answer

Class A extinguishers are for ordinary combustibles, while Class B extinguishers are for flammable liquids

Answer

Class A extinguishers are for flammable liquids, while Class B extinguishers are for electrical fires

Answer

Class A extinguishers are for electrical fires, while Class B extinguishers are for ordinary combustibles

Answer

There is no difference between Class A and Class B fire extinguishers

Question 5

When should you call 911 in case of a fire?

Accepted Answer

When you are unable to extinguish the fire yourself

Answer

When the fire is small and contained

Answer

When the fire alarm sounds

Answer

Never

Question 6

What is the acronym PASS used for in fire extinguisher training?

Accepted Answer

Pull-Aim-Squeeze-Sweep

Answer

Point-Aim-Squeeze-Sweep

Answer

Pull-Activate-Squeeze-Sweep

Answer

Pull-Aim-Shoot-Sweep

Question 7

Which type of fire extinguisher is most appropriate for electrical fires?

Accepted Answer

CO2

Answer

Water

Answer

Dry chemical

Answer

Foam

Question 8

Describe the proper technique for using a dry chemical extinguisher.

Accepted Answer

Aim at the base of the fire, squeeze the handle, and sweep horizontally.

Answer

Squeeze the handle and spray from up close.

Answer

Tilt the extinguisher at a 45-degree angle and sweep from side to side.

Answer

Spray the extinguisher in a circular motion.

Question 9

Which of the following is not a portable fire extinguisher?

Accepted Answer

Hose and nozzle connected to a water source

Answer

Dry powder

Answer

CO2

Answer

Halon

Question 10

What does the acronym PASS stand for in fire extinguisher training?

Accepted Answer

Pull, Aim, Squeeze, Sweep

Answer

Prepare, Alert, Suppress, Secure

Answer

Point, Activate, Spray, Stop

Answer

Plan, Act, Spray, Secure

Question 11

What is the primary purpose of the safety pin on a fire extinguisher?

Accepted Answer

Prevent accidental discharge

Answer

Control the flow of extinguishing agent

Answer

Indicate extinguisher status

Answer

Secure the extinguisher to the wall

Question 12

When operating a fire extinguisher, what does the acronym PASS represent?

Accepted Answer

Pull, Aim, Squeeze, Sweep

Answer

Pull, Activate, Aim, Sweep

Answer

Place, Aim, Squeeze, Sweep

Answer

Press, Aim, Spray, Sweep

Question 13

In an HVAC system, what is the primary purpose of a fire extinguisher?

Accepted Answer

Suppressing small fires before they spread

Answer

Preventing fires from starting

Answer

Extinguishing large fires

Answer

Providing ventilation in case of a fire

Question 14

What should be done if a fire extinguisher fails to function properly?

Accepted Answer

Contact a qualified technician

Answer

Attempt self-repair

Answer

Use another extinguisher

Answer

Leave the area and call the fire department

Question 15

Why is proper fire extinguisher training crucial for HVAC technicians and workplace safety?

Accepted Answer

Improper handling of fire extinguishers due to lack of training can lead to accidents and injuries.

Accepted Answer

Inadequate training can hinder effective fire suppression, potentially worsening fire incidents.

Answer

Neglecting training has no significant impact on workplace safety for HVAC technicians.

Question 16

What are the possible outcomes of not following the rules and regulations for using and storing fire extinguishers in HVAC workplaces?

Accepted Answer

Higher insurance costs and possible legal punishments

Answer

Minor inconvenience and a slight drop in productivity

Answer

Better safety and a lower chance of fires

Answer

No real consequences or effects

Question 17

Compare the functions and best uses of dry chemical, water, and carbon dioxide fire extinguishers.

Accepted Answer

Dry chemical extinguishers use a powder to smother fires, working well on Class A, B, and C fires.

Accepted Answer

Water extinguishers use water to cool and put out fires, but are only effective on Class A fires.

Accepted Answer

Carbon dioxide extinguishers use carbon dioxide gas to remove oxygen, effectively extinguishing Class B and C fires.

Question 18

Which type of fire extinguisher is most suitable for extinguishing electrical fires, as it does not conduct electricity and leaves no residue?

Accepted Answer

Carbon dioxide

Answer

Water

Answer

Dry chemical

Answer

Foam

Question 19

What is the primary purpose of the PASS method when using a fire extinguisher?

Accepted Answer

Extinguishing small fires safely and effectively

Answer

Evacuating a building

Answer

Calling for emergency help

Answer

Operating a fire alarm

Question 20

What is the main purpose of the safety pin on a fire extinguisher?

Accepted Answer

To prevent accidental discharge and ensure safe handling

Answer

To indicate the type of extinguisher

Answer

To secure the extinguisher to a wall or bracket

Answer

To release the extinguishing agent

Question 21

Which of the following is NOT a recognized class in the fire classification system?

Accepted Answer

Class E

Answer

Class A

Answer

Class B

Answer

Class C

Question 22

What type of material is commonly used as the extinguishing agent in dry chemical fire extinguishers?

Accepted Answer

Monoammonium phosphate

Answer

Water

Answer

Foam

Answer

Carbon dioxide

Question 23

What is the main purpose of the inspection tag attached to a fire extinguisher?

Accepted Answer

To indicate the last inspection date and ensure regular maintenance

Answer

To provide instructions on how to use the extinguisher

Answer

To identify the type of fire the extinguisher is suitable for

Answer

To prevent tampering with the extinguisher

Question 24

When approaching a fire to use a fire extinguisher, what is the safest direction to approach from?

Accepted Answer

From the side, to avoid direct exposure to flames and heat

Answer

From the front, to get a clear view of the fire

Answer

From the back, to prevent the fire from spreading towards you

Answer

Any direction is acceptable, as long as you maintain a safe distance

Question 25

Which acronym is used to remember the steps for safely operating a fire extinguisher, as recommended by the National Fire Protection Association (NFPA)?

Accepted Answer

PASS

Answer

SAFE

Answer

STOP

Answer

FIRE

Question 26

Which of the following fire extinguishers is suitable for extinguishing Class A fires?

Accepted Answer

Water or water mist extinguisher

Answer

Foam extinguisher

Answer

Carbon dioxide extinguisher

Answer

Wet chemical extinguisher

Question 27

In case of an electrical fire, which type of extinguisher should be used?

Accepted Answer

Carbon dioxide or dry chemical extinguisher

Answer

Wet chemical extinguisher

Answer

Water extinguisher

Answer

Foam extinguisher

Question 28

When fighting a fire with an extinguisher, it is essential to:

Accepted Answer

Approach the fire from the upwind side to avoid smoke inhalation

Answer

Hold the extinguisher over your head

Answer

Approach the fire from the downwind side

Answer

Spray the extinguisher directly into the flames

Question 29

Which of the following actions is crucial after using a fire extinguisher?

Accepted Answer

Notify the fire department to prevent reignition

Answer

Throw away the used extinguisher

Answer

Ignore the fire and continue working

Answer

Leave the area immediately

Question 30

When using a foam extinguisher, it's important to:

Accepted Answer

Spray the foam directly at the base of the fire to smother it

Answer

Spray the foam in a circular motion

Answer

Spray the foam horizontally at the flames

Answer

Spray the foam from a distance

Question 31

Which type of fire extinguisher is recommended for electrical fires?

Accepted Answer

Class C

Answer

Class B: Flammable liquids (gasoline, oil, grease)

Answer

Class A: Ordinary combustibles (paper, wood, plastic)

Answer

Class D: Combustible metals (magnesium, titanium)

Question 32

When using a fire extinguisher, what should be the first action taken?

Accepted Answer

Pull the safety pin

Answer

Aim the nozzle at the base of the fire

Answer

Squeeze the handles

Answer

Check the pressure gauge

Question 33

Flammable liquid fires, such as gasoline or grease fires, should NOT be extinguished using which type of fire extinguisher?

Accepted Answer

Water

Answer

Dry chemical

Answer

Foam

Answer

Carbon dioxide

Question 34

When aiming a fire extinguisher, where should the nozzle be directed?

Accepted Answer

At the base of the fire

Answer

Horizontally above the fire

Answer

Into the center of the fire

Answer

At the top of the fire

Question 35

In the context of fire extinguisher training, what does the acronym PASS stand for?

Accepted Answer

Pull, Aim, Squeeze, Sweep

Answer

Pull, Aim, Shoot, Stop

Answer

Pressurize, Aim, Spray, Sweep

Answer

Prepare, Aim, Strike, Spray

Question 36

When should you prioritize evacuating a building during a fire?

Accepted Answer

When there is heavy smoke or fire

Answer

When the fire alarm sounds

Answer

When the fire department arrives

Question 37

Which of the following is NOT a commonly used type of fire extinguisher?

Accepted Answer

Nitrogen

Answer

Dry chemical

Answer

Carbon dioxide

Answer

Water

Question 38

What is the primary purpose of a fire extinguisher?

Accepted Answer

To suppress or extinguish small fires

Answer

To prevent fires from starting

Answer

To put out large fires

Answer

To detect smoke

Question 39

When inspecting a fire extinguisher, which key aspects should be checked?

Accepted Answer

Damage, pressure, and expiration date

Answer

Color and weight

Answer

Nozzle size and hose length

Answer

Brand and model number

Question 40

Which type of fire extinguisher is specifically designed for fires involving energized electrical equipment?

Accepted Answer

Class C

Answer

Class D

Answer

Class B

Answer

Class A

Question 41

The P.A.S.S. method is a step-by-step procedure used to:

Accepted Answer

Operate a fire extinguisher effectively

Answer

Fight a grease fire

Answer

Evacuate a building during a fire

Answer

Call for emergency services

Question 42

When is it essential to evacuate a building during a fire?

Accepted Answer

When the fire is spreading uncontrollaby and poses an immediate threat to safety

Answer

Never, unless instructed by emergency personnel

Answer

After attempting to extinguish the fire with a fire extinguisher

Answer

Immediately upon discovering any sign of fire

Question 43

Which characteristic is NOT associated with a Class A fire?

Accepted Answer

Involves flammable or combustible liquids

Answer

Produces embers

Answer

Involves ordinary materials such as wood, paper, or fabrics

Answer

Spreads quickly and generates intense heat

Question 44

Which type of fire extinguisher uses water as its primary extinguishing agent?

Accepted Answer

Class A

Answer

Class B

Answer

Class C

Answer

Class D

Question 45

Why is it crucial to inspect fire extinguishers on a regular basis?

Accepted Answer

To ensure optimal functionality and readiness in case of an emergency

Answer

To comply with insurance regulations

Answer

To familiarize oneself with their location and appearance

Answer

To prevent accidental discharge

Question 46

What is the recommended method for disposing of an empty fire extinguisher?

Accepted Answer

Contact the manufacturer or local authorities for proper disposal guidelines

Answer

Disposing of it in regular household trash

Answer

Leaving it in the fire extinguisher cabinet indefinitely

Answer

Burying it underground

Question 47

What is the primary function of the discharge horn on a fire extinguisher?

Accepted Answer

To direct the extinguishing agent accurately at the base of the fire

Answer

To indicate the type of fire extinguisher

Answer

To control the flow rate of the extinguishing agent

Answer

To prevent backflow of the extinguishing agent into the extinguisher

Question 48

After using a fire extinguisher, what are the recommended actions to take?

Accepted Answer

Check for hidden embers, report the incident, and recharge the extinguisher if possible

Answer

Leave the extinguisher in place without reporting the incident

Answer

Attempt to recharge the extinguisher without seeking professional assistance

Answer

Dispose of the extinguisher immediately

Question 49

Which type of fire extinguisher is specifically designed to extinguish flammable liquids like gasoline or oil?

Accepted Answer

Class B

Answer

Class D

Answer

Class A

Answer

Class C

Question 50

When using a fire extinguisher, the acronym PASS stands for:

Accepted Answer

Pull, Aim, Squeeze, Sweep

Answer

Pull, Aim, Shake, Spray

Answer

Point, Aim, Spray, Sweep

Answer

Prime, Aim, Sprinkle, Sweep

Question 51

What is the primary function of a fire blanket?

Accepted Answer

To smother small fires on clothing or cooking surfaces

Answer

To extinguish electrical fires

Answer

To cool down overheating equipment