Fire Elements and Classes

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What should you do if you notice a fire?

Try to put out the fire yourself

Pull the nearest fire alarm 'pull station' while exiting the floor (correct)

Call the emergency number to report the fire

Evacuate immediately without notifying anyone

What should you do if there is no fire alarm 'pull station' nearby?

Dial 911 or the alternate emergency number (correct)

Try to find someone to help you

Use a fire extinguisher to try to put out the fire

Shout for help and wait for someone to respond

Why should you not assume someone else has already called the fire department?

Because someone else might have already called

Because the fire department needs to be notified quickly

Because you should never assume anything

Because it's better to be safe than sorry (correct)

What should you do when you hear the fire alarm?

Leave at once, taking direction from the emergency warden Signup and view all the answers

Why is it important to feel the door with the back of your hand before opening it?

To see if the door is cold or warm to the touch Signup and view all the answers

What should you do if you are trapped in smoke or heat?

Stuff the cracks around doors with towels to keep out smoke Signup and view all the answers

What is the primary escape route when you hear the fire alarm?

The stairway Signup and view all the answers

Why should you never use elevators during a fire?

Because they can malfunction and trap you Signup and view all the answers

What is the minimum percentage of oxygen required for a fire to burn?

16% Signup and view all the answers

Which class of fire includes energized electrical equipment?

Class C Signup and view all the answers

What type of material is NOT considered ordinary combustibles under Class A fires?

Gasoline Signup and view all the answers

What should never be done with flammable liquids or gases to prevent fires?

Refuel gasoline-powered equipment in a confined space Signup and view all the answers

What is a critical precaution to prevent fires involving electrical equipment?

Never install a fuse rated higher than specified Signup and view all the answers

Which fire class involves combustible metals like magnesium and potassium?

Class D Signup and view all the answers

Which element must be removed to put out a fire?

Any one of the three elements Signup and view all the answers

What is a recommended safety step for fire emergencies?

Knowing the location of fire alarms and evacuation plans Signup and view all the answers

What should be the first step before attempting to fight a small fire?

Ensure everyone is out of the area Signup and view all the answers

What does the 'PASS' acronym stand for when using a fire extinguisher?

Pull, Aim, Squeeze, Sweep Signup and view all the answers

How should you aim a fire extinguisher?

At the base of the fire Signup and view all the answers

What needs to be done after every use of a fire extinguisher?

Recharge the extinguisher Signup and view all the answers

Which laboratory characteristic is mentioned as important for an extinguisher?

Being listed and labeled Signup and view all the answers

What should you do if the fire threatens your escape path?

Get out immediately Signup and view all the answers

What does a higher rating number on an A or B extinguisher indicate?

The extinguisher can put out more fire Signup and view all the answers

Why should you be careful with high-rated fire extinguishers?

They are often heavier Signup and view all the answers

What should you do if you are trapped during a fire?

Wait at a window and signal for help. Signup and view all the answers

What is the first thing you should do before considering fighting a fire?

Call the fire department. Signup and view all the answers

Under what condition should you never fight a fire?

If you are unsure of the proper operation of the extinguisher. Signup and view all the answers

What should you do after you exit a building during a fire emergency?

Stay outside and report to your warden. Signup and view all the answers

What does an A-B-C label on a fire extinguisher mean?

It is suitable for ordinary combustibles, flammable liquids, and electrical fires. Signup and view all the answers

Why should you avoid breaking a window if you are trapped during a fire?

You may need to close it if smoke rushes in. Signup and view all the answers

When is it safe to re-enter the building after a fire emergency?

Only if and when the fire department tells you it is safe to do so. Signup and view all the answers

What is a critical factor to confirm before fighting a fire?

You have a safe escape route. Signup and view all the answers