Wk 4: Quiz Flashcards
Every portable fire extinguisher must be labeled with:
letters and/or symbols that identify the type of fire for which it is intended.
Which material is a Class A combustible material?
wood
What types of materials to Class B fires involve?
Combustible liquids and gases
Class C fire involve:
energized electrical equipment.
Which is a Class D combustible material?
sodium
When in position to attack the fire, what is the first step that should be taken when using a portable fire extinguisher?
Pull the pin and break the wire or seal.
What are the two main structural members of a ladder which run parallel to one another and support the rungs?
beams
Which type of rope construction is used for life safety ropes?
Kernmantle
According to NFPA 1932, ground ladders should be inspected after every use and at least:
monthly
The recommended climbing angle for ladders is usually _______ degrees.
75
Tactical ventilation is performed during fire attack to:
help control the fire
Why is ventilation used during overhaul and loss control?
Evacuate smoke from structures after a fire has been extinguished
When performing tactical ventilation, what action has the most impact on successful ventilation?
Controlling oxygen availability
Which action may improve visibility inside structures so that interior crews can work more effectively?
Controlling exhaust openings
Why should ventilation be immediately followed with exterior or interior fire attack to cool gases and surfaces in the fire room?
The greater the time between ventilation and application of water, the greater the fire’s growth.
