Construction Materials And Methods

Construction Materials And Methods Material data sheets outline the hazards associated with certain construction materials ️️True LEED stands for? ️️Leadership in energy and environmental designs What are the major material groups? ️️Metal, non metallic inorganic, polymers, organic The most common form of chemical degradation is corrosion? ️️True What are the basic ingredients in concrete? ️️Water, coarse and fine aggregates, Portland cement and available admixtures How long can ready mix concrete remain in the mixer and still be used? ️️1 1/2 hours How is tensile strength of concrete beams increased ️️Rebar Hydration is a chemical reaction between the cement and water which produces heat and hardens the concrete ️️True Some examples of pre cast concrete structural units are columns, beams, lintels, double t's, channel, flat slabs and tongue and groove planks ️️True What does CMU stand for ️️Concrete masonry unit Which is not one of the three basic categories of rock ️️Prolific What alloying element helps stainless steel resist corrosion ️️Chromium When steel is heated it shrinks ️️False What natural aggregates are used in making concrete ️️Minerals and rocks Attic ventilation lowers the temperature of the air reducing summer air conditioning costs and removes moisture that accumulates in the air causing mold and wetting the rafters insulation and ceiling material ️️True What are some types of exterior sidings that are in common use ️️All of the above How can electrical wiring be run inside interior partitions having metal studs. ️️Punch out in the studs What is a common name for gypsum wall board ️️Dry wall Concrete blocks are ______ and _______ and this allows plaster to bind to it ️️Porous and rough A suspended ceiling is an assembly of metal runners that are hung from the floor overhead on wires forming rectangular openings into which ceiling panels are laid ️️True What type of finish flooring presents the greatest hazard in a fire ️️Carpet Why is grout used to finish the installation of ceramic tile floors ️️Grout is used to fill the spaces between the times Wha type of flooring system utilizes a self leveling, self curing compound that comes in a variety of colors ️️Epoxy What does ADA stand for ️️Americans with Disabilities Act What type of window blinds are commonly available ️️All of the above What are the major classification of bonding agents ️️All of the