PDF Download
FREE AND STUDY GAMES ABOUT FF CHAPTER 11 EXAM
QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -95 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: What amount of ventilation will cause the fire to become fuel limited/prevent flashover
Answer:
Not possible Question 2: What are some examples of structural elements that can cause an issue/lack of integrity
Answer:
Lightweight trusses Open floor plans with limited truss supports Prior damage to the roof
Question 3: What is your responsibility when you see observations or concerns
Answer:
To communicate them
Question 4: What is something that is very important when considering ventilation for a basement fire than other fires
Answer:
The stage of the fire
Question 5: What roofs may not respond to sounding
Answer:
Roofs with multiple layers of roofing materials
Question 6: What are the two primary types of inspection holes
Answer:
Kerf cut Triangle cut
Question 7: What can allow the atmosphere to influence the fire in a building
Answer:
Any opening in the building
Question 8: What Speed of winds can affect structure fires
Answer:
10 mph or more
Question 9: What does a positive pressure attach work best on
Answer:
Fires confined to a single compartment
Question 10: What are some disadvantages of hydraulic ventilation
Answer:
Water damage increased if done incorrectly Depleted water supply More ice in cold conditions Firefighter operating nozzle must remain in IDLH
Question 11: When is a trench cut used
Answer:
When the IC determined the main body of the fire is too large to extinguish
Question 12: What does being in control of a fire mean
Answer:
Using ventilation and water application to control its behavior Question 13: When using PPV on a multistory building where should the fan be located
Answer:
Lowest point or ground level
Question 14: What is the purpose of a trench cut
Answer:
To create a defensible line ahead of the fires spread
Question 15: Whay information can a kerf cut give firefighters
Answer:
Wether or note smoke or flames is escaping from the cut
Question 16: What are disadvantages of PPV
Answer:
May hide fire extension Smoldering fires can intensify Structure must have some compartmentalization Carbon monoxide added through fan exhausts
Question 17: What is tactical ventilation
Answer:
Planned systematic and coordinated removal of heated air smoke gases and other airborne contaminants from a structure Question 18: What are some factors that can reduce the effectiveness of vertical ventilation
Answer:
Improper use of mechanical ventilation Uncoordinated ventilation Fog streams directed into vent holes
Burn through of the roof Improper location of ventilation hole Additional ventilation openings
Question 19: Who does the life safety priority apply to
Answer:
Occupants in the structure and the firefighters fighting the fire
Question 20: What are the two main consideration when performing a PPA
Answer:
Location of fire Exhaust to intake size ratio (at least 1 to 1)
Question 21: What are some advantages of mechanical ventilation
Answer:
Supplements/enhances natural ventilation Ensure more control of air flow Speeds the removal of contaminants Reduces smoke damage Promotes good public relations Question 22: What can occur when fresh air from ventilation is introduced into a fire room
Answer:
Heated gases can ignite Rapid fire development.
Question 23: What are air movement devices used for
Answer:
Generate air flow
Question 24: What are pike poles used for
Answer:
Pulling or opening ceilings