Exam (elaborations)
COSC 275- Exam 2 (w/ WOD 5-6) Questions and Answers
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Exam of 5 pages for the course COSC 275 at COSC 275
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COSC 275- Exam 2 (w/ WOD 5-6)Questions and Answers
Dampproofing
✓ ~~~ An application of a water-resisting treatment or material to the surface of a concrete
or masonry wall to prevent passage or absorption of water or moisture. Can also be
accomplished by using an admixture in the concrete mix.
Air Barrier
✓ ~~~ A component of the building envelope system that prohibits air leakage into a
building and reduces the risk of condensation build up. House wrap and fluid- applied air
barriers are examples.
Sheathing
✓ ~~~ Plywood, waferboard, oriented strand board, or lumber used to close up side walls,
floors, or roofs preparatory to the installation of finish materials on the surface. The
sheathing grades of lumber are also commonly used for pallets, crates, and certain
industrial products.
Flashing
✓ ~~~ A thin, continuous sheet of metal, plastic, rubber, or waterproof paper used to
prevent the passage of water through a joint in a wall, roof, or chimney.
Vapor Barrier
✓ ~~~ Material used to prevent the passage of vapor or moisture into a structure or
another material, thus preventing condensation within them.
Bond Breaker
✓ ~~~ A material used to prevent adhesion between freshly placed concrete and the
substrate.
Storefront Sash
, ✓ ~~~ An assembly of light metal members that form a frame for a fixed-glass storefront.
Curtain Wall
✓ ~~~ The exterior closure or skin of a building. A curtain wall is nonbearing and is not
supported by beams or girders.
Veneer
✓ ~~~ A masonry facing is attached to the backup, but not so bonded as to act with it
under load.
Lintel
✓ ~~~ A horizontal supporting member, installed above an opening such as a window or a
door, that serves to carry the weight of the wall above it.
Column
✓ ~~~ A long, relatively slender, supporting pillar. A column is usually loaded axially in
compression.
Beam
✓ ~~~ A horizontal structural member, such as a girder, rafter, or purlin, that transversely
supports a load and transfers the load to vertical members, such as columns and walls
Girder
✓ ~~~ A large principal beam of steel, reinforced concrete, wood, or a combination of
these, used to support other structural members at isolated points along its length.
Joist
✓ ~~~ A piece of lumber two or four inches thick and six or more inches wide, used
horizontally as a support for a ceiling or floor. Also, such a support made from steel,
aluminum, or other material.
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