Ch.6, Ch.8, Ch.11 Flashcards
When does an I joist fail?
A fail of one member, and if too many drilled holes are in them during construction. An unprotected lightweight engineered I-joist failed in only 6 minutes
What happens when steel elongates?
Expands and loses strength when heated
What is the purpose of the foundation?
Transfer the weight of the building and its contents to the ground
What is the reason for the rate of combustion of wood?
The rate of combustion is directly related to the surface area of the wood
What is another name for non-combustible in relation to the types of construction?
Fire Resistive
How many stories can a type III be?
Up to 4 stories.
What happens to laminated glass when exposed to fire?
Likely to crack but remain in place.
What is an open web steel truss?
(sometimes called bar truss) can span long distances and remain stable during a fire if they are not subjected to excessive heat.
Where should you use plasterboard?
Interior walls and ceilings
What are chords?
Chords are the top and bottom members, chord trusses support flat roof/floors.
What are trusses?
Triangular geometry creates a strong, rigid structure that can support a load much greater than its own mass.
What construction has the greatest collapse hazard?
Type V construction
What are balloon frames?
Wood studs that are continuous from basement to the roof; creates a top-to-bottom path for fire to spread
What is conductivity?
Transfer of heat to and through one solid to another
Understand what fire extension through void spaces are.
It is fire within the walls, floors, or roofs that spreads vertically and or horizontally.
What is a disadvantage of fire-resistant construction?
A fire in a Type I building can be very hot and difficult to ventilate
What is an indication of a solid brick wall not veneer?
It’s veneer is the structure has a wood frame
What is a gypsum board?
(Also called drywall, sheetrock, plasterboard) commonly used to cover the interior walls and ceiling of residential living areas and commercial spaces.
What are the three primary roof designs?
Pitched roofs; Curved roofs; Flat roofs
What is a curtain wall?
Nonbearing exterior walls attached to the outside of the building
Understand what engineered is in relation to building components.
Engineered wood products are often used because they are less expensive.
What are the components of mortar?
Mortar is a mix of Sand, Lime, Water, And Portland cement
What is concrete?
Naturally fire-restrictive material; does not burn or conduct heat well; strong under compression, weak under tension.
What metal protects metal parts from rust and corrosion?
Zinc
Understand what masonry materials are.
Stone, Concrete blocks, And Brick
What is structural steel?
Strongest building material in common use.
What is combustibility?
The property describes whether a material will burn and how quickly it will burn.
What are the classifications of tools?
Rotating; Prying or spreading; pushing or pulling; striking; cutting; multiple use.
Know all the tools, what they’re used for and how they are used.
Too much to type, look in the book
All the tools
When should documentation be utilized after using a tool?
After every use
What happens when you use a spring loaded center punch?
A striking tool used primarily on cars. This tool can exert a large amount of force on a pinpoint-size portion of tempered automobile glass.
What prevents rusting of unpainted metal tool surfaces?
Maintenance and wipe downs
What is the K tool used for?
This tool is used to pull the lock cylinder out of a door, exposing the locking mechanism so it can be unlocked easily.
When should we use a hydraulic spreader?
Vehicle extrication
Understand what happens when combining tools for a use.
it becomes more effective and useful for many different reasons
What are the parts of a halligan tool?
A sharp tapered pick, a blade, and a fork or claw.
Which cutting tool requires the most training to use?
Machine-powered rescue tools/ hydraulic power tools.
Who should we follow when cleaning tools and equipment?
Follow manufacturer’s instructions for cleaning and maintaining each piece of equipment
What is a coping saw?
Used for cutting wood in different directions and circles.
What happens when we use a wooden wedge during overhaul?
Stops the flow of water from sprinkler heads
What is an advantage of the K tool?
Used to pull the lock cylinder out of the door, exposing the locking mechanism so it can be unlocked easily; this is a fairly nondestructive process.
What is a reciprocating saw?
A saw that is powered by an electric motor or a battery motor and whose blades move back and forth.
What is the goal of salvage operations at a residential fire?
Protect as much property as we can
What device accomplishes negative pressure ventilation?
Negative pressure fan
Why should we not paint hand tools?
Can cover up damaged areas.
What is an overhaul?
The final phase is to ensure that all hidden fires are extinguished after the main fire has been suppressed.
What is a plaster hook?
A long pole with a pointed head and two retractable cutting blades on the side.
Understand what rotating tools are.
Used to apply rotational force to turn objects
When do we use a thermal imaging device?
Search and rescue and overhaul finding hidden fires
What tools make up irons?
Flattened ax and a halligan
What ladder should be used for a trench or a manhole rescue?
A ladder A-frame.
When should we use a ladder belt or a leg lock?
To secure yourself to the ladder for working.
What is a suitcase carry?
Ladder is carried by the top beam at arm’s length, like a suitcase.
How often should ground ladders be visually inspected?
After every use, start of shift, monthly
Before climbing a ladder, we should make sure it is ____.
grounded
What temperature causes the heat sensor label to change color?
300 F
How many points of contact should a firefighter maintain with the ladder?
3 Points of contact
What is the maximum reach for a 28 ft ladder?
27ft
What is a straight ladder?
Single-section, fixed length ladder.
How many ladders should be on a pumper?
3 - 1 folding ladder, 1 straight hook ladder, 1 extension ladder
What does the stop do for a ladder?
Keep the fly from disconnecting from the bed and overextending
What are staypoles?
Long metal poles attached to the top of the bed section that help stabilize an extension ladder
What do the beams of a ladder directly support?
The rungs
What is the maximum personnel load for a fire service ladder?
750 lbs
What is the ratio of the ladders vertical reach of the butt from the structure?
1/4
When 2 or more firefighters are carrying a ladder, what should the firefighter close to the butt end do?
Cover the butt plate or spike with their hand
Which knot is used to tie off a ladder using a halyard?
Clove hitch
