Answers 100% PASS
Rocker panels—ANSWER-rounded narrow body panels on each side of a vehicle below the
doors and between the kick panel and the quarter panel.
What is the most common building material used in North America and is the main
componet of many structural assemblies—ANSWER-Wood.
The mositure content of the wood affects the—ANSWER-Burn rate
Wood witha high moisture content, sometimes referred to as—ANSWER-Green wood.
Wood is pressure treated with _________ chemicals to reduce the speed at which it ignites
or burns.—ANSWER-Fire-retardant.
Masonry inlcudes—ANSWER-bricks, stones and concrete blocks.
Brick and stone are generally used to create—ANSWER-Veneered walls.
Fire and exposure to high temperatures has minimal effect on—ANSWER-masonry.
Stones and concrete may lose small portions of their surface when heated, called—
ANSWER-Salling
Meals building materials commonly used include—ANSWER-Cast iron, steel, aluminum, and
copper.
, Two types of iron can be found in buildings in North America—ANSWER-iron and wrought
iron.
Facades consisted of—ANSWER-large exterior wall sections fastened to the masonry on the
front of the building
Cast iron stands up well to fire and intense heat, but it may—ANSWER-crack or shatter when
rapidly cooled with water.
wrought iron was used in building of the early 1800s for—ANSWER-Nails, straps, tie rods,
railings, and balconies.
After the 1850 wrought iron were used for—ANSWER-rail and I-beams, cheannels and
support columns.
Steel is the primary material used for—ANSWER-Structural support in the construction of
large buildings
Steel is also used to reinforce—ANSWER-Concrete floors, roof, and walls.
Steel structural members lengthen ________ when heated.—ANSWER-Elongate.
The elongation tends to—ANSWER-push the walls out.
If the steel buckles and fails somewhere in the middle, it tends to.—ANSWER-Pulls the walls
in.
Lightweight steel truss will fail much quicker than a large,—ANSWER-Heavy I-beam.
To redcue the effect of heat on steel structural members, fireproofing maaterials such as—
ANSWER-Sprayed-on concrete or sprayed-on insulation is used.
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