Fire Elements and Classes

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Questions and Answers

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?

<p>Leave at once, taking direction from the emergency warden (A)</p> Signup and view all the answers

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

<p>To see if the door is cold or warm to the touch (A)</p> Signup and view all the answers

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

<p>Stuff the cracks around doors with towels to keep out smoke (B)</p> Signup and view all the answers

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

<p>The stairway (D)</p> Signup and view all the answers

Why should you never use elevators during a fire?

<p>Because they can malfunction and trap you (C)</p> Signup and view all the answers

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

<p>16% (B)</p> Signup and view all the answers

Which class of fire includes energized electrical equipment?

<p>Class C (D)</p> Signup and view all the answers

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

<p>Gasoline (B)</p> Signup and view all the answers

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

<p>Refuel gasoline-powered equipment in a confined space (C)</p> Signup and view all the answers

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

<p>Never install a fuse rated higher than specified (A)</p> Signup and view all the answers

Which fire class involves combustible metals like magnesium and potassium?

<p>Class D (C)</p> Signup and view all the answers

Which element must be removed to put out a fire?

<p>Any one of the three elements (C)</p> Signup and view all the answers

What is a recommended safety step for fire emergencies?

<p>Knowing the location of fire alarms and evacuation plans (A)</p> Signup and view all the answers

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

<p>Ensure everyone is out of the area (A)</p> Signup and view all the answers

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

<p>Pull, Aim, Squeeze, Sweep (D)</p> Signup and view all the answers

How should you aim a fire extinguisher?

<p>At the base of the fire (C)</p> Signup and view all the answers

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

<p>Recharge the extinguisher (C)</p> Signup and view all the answers

Which laboratory characteristic is mentioned as important for an extinguisher?

<p>Being listed and labeled (C)</p> Signup and view all the answers

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

<p>Get out immediately (A)</p> Signup and view all the answers

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

<p>The extinguisher can put out more fire (C)</p> Signup and view all the answers

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

<p>They are often heavier (A)</p> Signup and view all the answers

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

<p>Wait at a window and signal for help. (B)</p> Signup and view all the answers

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

<p>Call the fire department. (C)</p> Signup and view all the answers

Under what condition should you never fight a fire?

<p>If you are unsure of the proper operation of the extinguisher. (B)</p> Signup and view all the answers

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

<p>Stay outside and report to your warden. (C)</p> Signup and view all the answers

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

<p>It is suitable for ordinary combustibles, flammable liquids, and electrical fires. (D)</p> Signup and view all the answers

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

<p>You may need to close it if smoke rushes in. (A)</p> Signup and view all the answers

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

<p>Only if and when the fire department tells you it is safe to do so. (A)</p> Signup and view all the answers

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

<p>You have a safe escape route. (B)</p> Signup and view all the answers

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