A suitably strong aggregate material for use in high-strength concrete is _____.

a. slag
b. soft sandstone
c. coal
d. shale


a. slag

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Determine the number of 4-foot-wide by 8-foot-high sheets of drywall needed for the tenant finish in Figure 16.16. The walls are 8 feet high. The exterior walls need drywall on the interior side only. The interior walls need drywall on both sides. Add 5 percent waste.

What will be an ideal response?

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A 7490 decade counter, configured to count 0 to 9, and a 7492 MOD-12 ripple counter, configured to count 0 to 5, are connected so that the Q3 output of one IC is wired to the clock input of the other IC. What is the modulus of the total circuit?

A) MOD-16 B) MOD-160 C) MOD-50 D) MOD-60

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In the accompanying figure, the letter L indicates the ____.

A. linear dimension B. lateral dimension C. length dimension D. location dimension

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One ton of refrigeration capacity is equal to:

A. 1,200 BTUs per hour B. 12,000 BTUs per hour C. 120,000 BTUs per hour D. 1,200,000 BTUs per hour

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