Unit 1 Wood and LumberMULTICHOICE1.What is the construction material most often used by carpenters?(A)steel(B)concrete(C)wood(D)fibreglassAnswer :(C)2.Which one of the following groups of wood species best resists decay?(A)cherry, mahogany, and walnut(B)redwood, cedar, cypress, and teak(C)oak and maple(D)hickory and ashAnswer :(B)3.Which of the following materials would you choose if insulating value were of criticalimportance?(A)1 inch (25 mm) of wood(B)8 inches (200 mm) of concrete(C)12 inches (300 mm) of brick(D)100 inches (2500 mm) of aluminumAnswer :(C)4.What are the distinct rings formed by the growth of a tree called?(A)annular rings(B)pith rings(C)bark ringsPreview Mode
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