Asphalt is a waste product obtained from
A) petroleum refining.
B) the manufacturing of steel.
C) the manufacturing of coal tar.
D) the manufacturing of rubber.
E) none of the above.
A) petroleum refining.
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For a building located in a high-wind region, which of the following roof systems is most suitable?
A) Mechanically fastened single -ply system B) Loose-laid ballasted single-ply system C) Gravel-covered built-up roof D) Protected membrane system E) Fully adhered single -ply system
Floor plans for a house are frequently drawn 1/____ of the actual size.
A. 16 B. 32 C. 48 D. 64
When the not-Q outputs of flip-flops are connected to the next inputs, which kind of counter is formed?
A) Johnson counter B) synchronous counter C) down counter D) up counter
Cast iron is primarily an alloy of silicon and 1.7% to 4.5% of carbon.
Answer the following statement true (T) or false (F)