BC Ch. 11 Definitions

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Questions and Answers

What is Aluminum?

A metal with a square 'U'-shaped cross section

A combustible material with a high melting point

A heavy, magnetic metal with low conductivity

A lightweight, nonmagnetic metal with good conductivity (correct)

What is an Angle in steel construction?

A steel member with two legs at right angles to one another (correct)

A flat piece of steel

A hollow steel structural member

A beam shaped like the letter 'I'

What does Asphalt Asbestos Protected Metal (AAPM) refer to?

An asphalt coating used as a weather-protective coating on galvanized steel walls (correct)

A noncombustible material used for insulation

A type of lightweight roofing material

A metal with a 'Z'-shaped cross section

What is a Bar in steel construction?

A plate fewer than 6 inches in width, which may be square or round Signup and view all the answers

What is a Bar Joist used for?

Forming a lightweight, long-span system for floor and roof supports Signup and view all the answers

What is a Box Column?

A type of column with a rectangular or square hollow section Signup and view all the answers

What is the primary function of a Steel Beam?

To support vertical loads in a structure Signup and view all the answers

What is the significance of an 'I'-shaped beam?

It provides high strength with less material use Signup and view all the answers

What is the primary function of Rakers in structural design?

Diagonal columns that brace an entire structure Signup and view all the answers

What characterizes Rolled or Built-Up Members?

Steel structural beams formed as a single piece or multiple sections Signup and view all the answers

Which of the following describes a Spandrel Girder?

A girder connecting wall columns in framed buildings Signup and view all the answers

What does Spandrel Space refer to in construction?

The distance from one window to another Signup and view all the answers

What function do Steel Expansion Joints serve?

To allow movements between floors Signup and view all the answers

In steel construction, what defines a Tee?

An I-beam transformed into two T-shaped beams Signup and view all the answers

What is the primary use of Tiebacks?

For anchoring cold-drawn steel cables Signup and view all the answers

What distinguishes a Tin Ceiling?

A panel that conducts thermal heat Signup and view all the answers

What is the purpose of a Transfer Beam in construction?

To carry vertical loads laterally across openings Signup and view all the answers

Which metal is known to have a low melting point and disintegrates rapidly under fire?

Aluminum Signup and view all the answers

What type of column is built from steel plates and is large and hollow?

A large hollow column built from steel plates Signup and view all the answers

What material is often used for fireproofing steel structures?

Cement-Asbestos Board Signup and view all the answers

What does a Castellated Beam achieve in construction?

Creates a deeper beam Signup and view all the answers

What is the primary function of Bulkheads on a ship?

Divide a ship into compartments Signup and view all the answers

What is the shape of a Bulbtee beam?

Thickened end at the cutoff Signup and view all the answers

What defines a Light Gauge Steel-Framed Wall?

Constructed with lightweight steel studs Signup and view all the answers

What does the Modulus of Elasticity in steel represent?

Ability to distort and restore shape Signup and view all the answers

What is an I-Beam characterized by?

Legs positioned at right angles Signup and view all the answers

In construction, what does the term 'Peened' refer to?

Embedding into the surface Signup and view all the answers

What does Glass Fiber–Reinforced Plastic consist of?

Plastic reinforced with glass fibers Signup and view all the answers

What is the structural significance of Plates in steel construction?

Flat pieces of steel Signup and view all the answers

What function do Precast Prestressed Concrete Panels serve?

Precast and delivered to the site Signup and view all the answers

What are Galvanized Steel Walls primarily made from?

Weatherized steel that conducts heat easily Signup and view all the answers

What is a Channel in the context of steel construction?

A steel component useful in load distribution Signup and view all the answers

Study Notes

Properties of Aluminum

Aluminum is a lightweight, nonmagnetic metal known for its good conductivity.

Definitions in Steel Construction

Angle: A steel member featuring two legs positioned at right angles to each other.
Bar: Defined as a plate less than 6 inches in width, which can be square or round.
Bar Joist: Used to create a lightweight, long-span framework for floor and roof supports.

Materials and Coatings

Asphalt Asbestos Protected Metal (AAPM): A weather-protective asphalt coating for galvanized steel walls.
Cement-Asbestos Board: A noncombustible material utilized in friable construction contexts.
Glass Fiber–Reinforced Plastic: A composite combining plastic with glass fibers for enhanced strength.

Structural Components

Box Column: A large hollow column constructed from steel plates offering support.
Bulbtee: A tee section with thickened ends used for enhanced strength.
Castellated Beam: A zig-zag cut beam welded back together to create a deeper structure.
Channel: A steel structural element with a square "U"-shaped cross section.

Construction and Insulation

Metal Panel: A prefabricated element merging thermal insulation with interior finishes.
Light Gauge Steel-Framed Wall: Constructed with lightweight galvanized steel studs, suitable for exterior walls.

Design and Engineering Terms

Modulus of Elasticity: Measures a steel's ability to distort and revert to its original shape.
Peened: Refers to a surface treatment process involving embedding material.
Rakers: Diagonal columns that provide structural bracing.

Elements in Structural Design

Spandrel Girder: Connects wall columns in framed structures; crucial for overall support.
Wide Flange Shapes: I-beams characterized by wider flanges than standard counterparts.

Miscellaneous Terms

Tiebacks: Cold-drawn steel cables inserted into holes for anchoring with epoxy.
Tin Ceiling: An embossed steel panel designed for heat transfer in both directions.

Types of Beams and Panels

Tee: An I-beam cut lengthwise into two "T"-shaped sections.
Tube: A steel member available in cylindrical, square, or rectangular forms.
Zee: A metal component noted for its "Z"-shaped cross section.

Fire Safety and Material Properties

Aluminum is known to have a low melting point and disintegrates quickly in fire, making it a safety concern in certain applications.

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Description

Test your knowledge of materials science with this quiz focusing on metals, specifically aluminum and steel construction angles. Each question challenges you to identify properties and characteristics essential for understanding material applications. Ideal for students and professionals in engineering and related fields.