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Worksheets27105 # 3 Apply Floor Systems
Total questions: 35
Worksheet time: 18mins
What is the role of a sill plate in floor framing?
To support the floor joists
To anchor the roof to the walls
To provide insulation between floors
To connect electrical systems in the floor
What is the primary function of floor systems in a structure?
To provide aesthetic value to the building
To provide a base for the remainder of the structure
To insulate the building
To support the roofing system
How do floor systems transfer weight within a building?
From the roof to the foundation
From the subfloor to the roof
From the subfloor, through the floor framing, to the foundation wall, and finally to the earth
From the exterior walls directly to the earth
Which type of structures do not have wood- or metal-framed floor systems?
Multilevel structures
Structures built on stilts
Single-story structures built on slabs
Structures with basements
What types of spaces might a floor system be constructed over?
Only over open landscapes
Basements or crawl spaces
Only above ground level
Only in high-rise buildings
Can multilevel structures have different types of floor systems?
No, they can only have slab systems
Yes, they can have both a slab and a floor system
No, they can only have wood-framed systems
Yes, they can only have metal-framed systems
What is the primary function of sill plates in a structure's frame?
To cover the top of the structure
To support the roof
To rest horizontally on the foundation and support the floor joists
To provide decoration to the exterior walls
How are sill plates attached to the foundation wall?
Using nails and wood glue
Using screws and metal clips
Using anchor bolts or straps embedded in the foundation
Using adhesive tape
What additional component is required in some localities to be used with sill plates?
Paint sealant
Termite shield
Rust inhibitor
Moisture barrier
What is the primary function of girders in building construction?
To provide aesthetic appeal to the building
To support the roof only
To carry a very large portion of the weight of a building
To insulate the building
Where must girders be properly supported in a building structure?
Only at the top floors
At the foundation walls and on the supporting posts or columns
At the exterior walls only
On the roof
What must be provided by girders when two or more joists are used to cover the distance between two outside walls?
Support for the roof
Support for the inner joist ends
Aesthetic elements
Insulation between floors
How should girders be designed to function effectively?
Flexible and lightweight
Rigid and well designed
Only long enough to reach supporting posts
With decorative features
What are girders commonly made from in construction projects?
Plastic and metal sheets
Solid timbers, built-up lumber, engineered products, or steel beams
Glass and ceramic materials
Rubber and synthetic fibers
What are the typical sizes available for solid lumber girders?
2 by 4, 4 by 4, 6 by 4
4 by 6, 4 by 8, 6 by 6
5 by 5, 5 by 7, 5 by 8
3 by 6, 3 by 8, 3 by 10
What are built-up girders typically constructed from?
2-inch stock by 4s
2-inch stock by 8s and 10s
3-inch stock by 8s
1-inch stock by 10s
Compared to solid wood girders, built-up girders are less likely to have what issue?
Decay
Expansion
Color variation
Increased weight
Why do built-up girders not warp as easily as solid wood girders?
Because they are treated with chemicals
Because they are made from synthetic materials
Because they are nailed together to act as one unit
Because they are painted
Is a built-up girder capable of carrying the same load as an equivalent-size solid wood girder?
Yes, always
No
Only in dry conditions
Only if specially treated
What are engineered wood girders primarily used for in construction?
Flooring
Roofing
Framing members
Exterior wall cladding
Which of the following is NOT a type of engineered wood mentioned in the text?
Laminated veneer lumber (LVL)
Glued laminated lumber (glulam)
Wood I-joists
Cross-laminated timber
Compared to same-size solid lumber, engineered wood girders are:
Weaker
The same strength
Stronger
More flexible
What is a characteristic feature of engineered wood girders?
They have many knots
They are very straight
They are prone to warping
They are typically curved
What are LVL girders made from?
Solid, kiln-dried lumber
Laminated wood veneers
Metal alloys
Concrete
How are the veneers arranged in LVL girders to increase strength?
In a random pattern
In a uniform direction
In a staggered pattern
Perpendicular to each other
What are Glulam girders made from?
Laminated wood veneers
Solid, kiln-dried lumber
Concrete
Metal
Which of the following is NOT an appearance grade for Glulam girders?
Industrial
Architectural
Premium
Standard
What materials are used to construct Wood I-joists?
Solid wood and plywood
Laminated veneers and concrete
Two-dimensional lumber flanges and oriented strand board web
Metal beams and wood
What are the two types of Steel I-beams mentioned?
Narrow-flange and wide-flange
Standard flange (S-beam) and wide flange (W-beam)
High-flange and low-flange
Single-flange and double-flange
Why are Steel I-beams often used when there are few or no piers or interior supports?
Because they are decorative
Because they are easy to install
Because they can support greater loads without support
Because they are the cheapest option available
Compared to wood, what is a disadvantage of using Steel I-beams?
They are less durable
They are more expensive and harder to work with
They are less available
They are not as strong
What must girders and beams be supported by at the foundation walls according to the text?
Piers
Concrete slabs
Steel frames
Wooden beams
According to local building codes, what determines the spacing required between posts or columns for girders?
The material of the posts
The stress factor of the girder
The weight of the beams
The height of the building
Why must the girder be spaced farther apart to support the joists over the span between them?
To reduce material cost
To increase stability
To carry the joists over the span
To enhance aesthetic appeal
Which component is used to adjust the height of a girder?
CMU Pier
Jackscrew
Wood Post on Common Pier Block
Metal Rod
