Explain the difference between normal-weight (NW) and lightweight (LW) coarse aggregate.
What will be an ideal response?
NW coarse aggregate is made from crushing rock into small pieces. LW coarse aggregate is made by heating crushed shale so that as the water in shale turns into steam and tries to exit, it leaves air voids inside shale pieces, like popped corn.
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Conductors in capacitor circuits must be rated no less than ____ percent of the current rating of the capacitor.
A. 90 B. 100 C. 120 D. 135
The Normality of a solution is the number of equivalents per liter, and can be determined by multiplying the concentration of a specie, MWi, by the number of equivalents, zi.
What will be an ideal response?
Today, specifications compete with drawings in their importance to constructions
Indicate whether the statement is true or false
Cats should not consume dog foods as they do not contain all of the nutrients needed by cats
A. True B. False