Floor Systems Quiz

What are the two main types of loads that floor systems must support?

• Live loads and dead loads

• Static loads and dynamic loads

• Point loads and distributed loads

• Vertical loads and horizontal loads

What is the primary function of shear walls in a building structure?

• To support the roof

• To transfer lateral forces to the foundation

• To provide aesthetic appeal

• To divide interior spaces

What are the main types of materials that a floor system may be composed of?

• Brick masonry and stone slabs

• Linear beams and joists

• Steel or wood columns

• Concrete Blocks and rebar

What factor becomes the critical controlling factor for a floor system due to the detrimental effects of excessive deflection and vibration?

• Bending

• Deflection

• Elasticity

• Strength

What should be considered if it is necessary to accommodate runs of mechanical or electrical lines within the floor system?

• The size and placement of cantilevers and openings

• The depth of the floor construction and the cavities within it

• The type of finish flooring and ceiling materials

• The connection to supporting foundation and wall systems

What is the main reason for wood light framing to rely on finish flooring and ceiling materials for its fire-resistance rating?

• Because wood light framing is weak

• Because wood light framing is expensive

• Because wood light framing is combustible

• Because wood light framing is heavy

What is required to secure the wall and floor framing to the foundation against uplifting wind or seismic forces?

• Pressure-treated lumber

• Continuous sheet-metal shield

• Sill plate anchors or hold-downs

• Ventilation to control condensation

What is the rule of thumb for estimating joist depth?

• Span/32

• Span/16

• Span/8

• Span/4

What is the main purpose of bridging in wood joist framing?

• To tie in-line joists together and prevent twisting and buckling

• To provide additional support for perimeter wall framing

• To create a decorative pattern on the floor

• To increase the fire-resistance rating of the floor system

What is the main purpose of solid blocking in wood joist framing?

• To serve as firestop and header between joists

• To create a decorative pattern on the floor

• To provide nailing surface for finish ceiling

• To tie in-line joists together and maintain horizontal continuity of floor structure