Building Walls Construction Quiz

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Questions and Answers

What are the two basic types of concrete roofs common in North America?

Concrete forms and shapes

Wet mass and cast-in-place

Plywood and OSB

Cast-in-place and precast (correct)

When a multistory building has a flat roof, what is the usual practice regarding the structural system?

Not using concrete roofs

Using the same system for roof and floors (correct)

Using different systems for roof and floors

Using different materials for roof and floors

In what type of applications is corrugated steel decking frequently used?

Only as a deck

As a deck and purlin system

As a deck and exterior roof covering (correct)

Only as an exterior roof covering

What serves as the roof support in concrete deck roofs?

Reinforced concrete Signup and view all the answers

What happens to cast-in-place concrete after it is placed in its intended location?

It hardens in prepared forms Signup and view all the answers

What determines the design strength of cast-in-place concrete roofs?

After it has been placed in its intended location Signup and view all the answers

What type of door is constructed with spacers between face panels to provide lateral support?

Hollow-core door Signup and view all the answers

Which type of door is lighter and less expensive compared to solid-core doors?

Hollow-core door Signup and view all the answers

In what types of buildings are glass doors most commonly found?

Office and mercantile buildings Signup and view all the answers

What material are glass doors commonly required to be made of by building codes?

Tempered glass Signup and view all the answers

Which type of door is a better fire barrier than hollow-core doors?

Solid-core door Signup and view all the answers

What type of glass door consists of a single sheet of glass with attached door hardware?

Frameless glass door Signup and view all the answers

What components are typically found in wall assemblies?

Bottom plate, top plate, vertical studs, and horizontal braces Signup and view all the answers

How does insulation play a role in wall assemblies?

The cavity between the wall surfaces may contain insulation Signup and view all the answers

What purpose do fire walls serve in buildings?

To prevent the spread of fire between structures or classifications Signup and view all the answers

How can the protection provided by fire walls be compromised?

By making unprotected penetrations for pipes, wires, and ducts Signup and view all the answers

What is a possible consequence of making unprotected penetrations through fire walls?

Allowing heat, smoke, and flames to pass through openings Signup and view all the answers

In large structures, what function can fire wall assemblies serve?

Containment of a fire to a specific portion of the structure Signup and view all the answers

What is the main difference between hopper windows and awning windows?

Hopper windows are hinged at the bottom while awning windows are hinged at the top. Signup and view all the answers

What feature makes jalousie windows popular architecturally?

The large number of narrow overlapping glass sections. Signup and view all the answers

In a projecting window, how does the window operate?

Swings outward at the top or bottom and slides upward or downward. Signup and view all the answers

What is a common security method for windows mentioned in the text?

Mounting metal bars on the outside of the building's walls near the windows. Signup and view all the answers

What distinguishes pivoting windows in terms of operation?

The window parts swing in opposite directions when opened. Signup and view all the answers

Which type of window design provides the full area of the window opening for ventilation?

Pivoting windows Signup and view all the answers

What is the negative effect of security bars or grilles as mentioned in the text?

Prevent the escape of trapped occupants or firefighters Signup and view all the answers

Why must security bars and grilles be removed when interior operations begin?

To ensure firefighter safety in case a rapid egress is required Signup and view all the answers

How do rolling steel shutters typically close when a fusible link melts?

Under the force of gravity Signup and view all the answers

What is the purpose of rolling steel shutters in industrial occupancies?

Protect a fire wall opening Signup and view all the answers

In what situations might rolling steel shutters be used according to the text?

To block interior window openings in an industrial setting Signup and view all the answers

What is the primary similarity between rolling steel shutters and rolling steel doors?

They share the same operating components Signup and view all the answers

Study Notes

Types of Roof Decks

Plywood sheathing, Oriented Strand Board (OSB), and Wood Tongue and Groove are common types of roof decks in North America.
Corrugated metal, Sprayable concrete encapsulated polystyrene, and Reinforced concrete are also used as roof decks.
Double Tee Preformed Concrete is another type of roof deck.

Components of Roof Decks

Sheathing, roof planks or slabs, and purlins are components of roof decks.
In some cases, the roof deck serves as the roof support.
In other cases, the roof covering and the deck are the same.

Concrete Roofs

Cast-in-place and precast are two basic types of concrete roofs common in North America.
Cast-in-place concrete is placed into forms at the building site and hardens in prepared forms.
Precast concrete is placed into forms at a factory and transported to the building site.

Windows

Hopper windows are hinged at the bottom and open inward.
Jalousie windows include a large number of narrow overlapping glass sections swinging outward.
Projecting windows swing outward at the top or bottom and slide upward or downward in grooves.
Pivoting windows have a sash that pivots horizontally or vertically on a central axis.

Security Windows

Windows may provide an access point for intruders, so security is frequently provided for windows.
Metal bars or screens are often fastened to the exterior of the window frame or to the building itself.
Security windows are available with movable sashes and fixed bars.

Rolling Steel Shutters

Rolling steel shutters may be used to protect a fire wall opening in an industrial occupancy or an opening in a wall separating buildings into fire areas.
Rolling steel shutters block interior window openings, such as office windows overlooking a factory floor.
Rolling steel shutters have the same operating components as rolling steel doors.

Walls

Walls define the perimeter of the building and divide it into compartments or rooms.
Exterior walls may be wood or metal siding attached to studs, concrete blocks, or logs.
Wall assemblies consist of a bottom plate, top plate, vertical studs, and horizontal braces sandwiched between two surfaces.

Fire Walls

Fire walls provide separation to meet the requirements of a specified fire-resistance rating.
Fire wall assemblies include the wall structure, doors, windows, and any other protected openings meeting the required protection-rating criteria.
Fire walls may be used to separate two adjoining structures or two occupancy classifications within the same structure.

Doors

Solid-core doors are better fire barriers than either panel doors or hollow-core doors.
Hollow-core doors are less expensive and lighter than solid-core doors.
Glass doors are used in both exterior and interior locations and are made of tempered glass that resists breakage.
Metal doors, such as hollow metal doors, are made from steel or aluminum.

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Description

Test your knowledge on building walls construction techniques and materials used. Learn about the components of wall assemblies and different types of insulation. Explore how exterior walls are constructed and the purpose of vertical studs, horizontal braces, and bottom plates.