An example of a pozzolanic material used in making very high-strength concrete is _____.


a. silica fume
b. hydrated lime
c. liquid epoxy
d. diatomaceous earth


a. silica fume

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Autotransformers are often used by power companies to provide a ____ increase or decrease to the line voltage.

a. small b. constant d. proportional c. variable d. proportional

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How should cutting oil be disposed of??

What will be an ideal response?

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In the set of drawings for a project, each title block contains the ______ of the job.

Fill in the blank(s) with the appropriate word(s).

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The likely cause of noise and potential internal damage to steam piping and traps, especially during startup

of a cold system, is _____. a. water hammer b. flash steam c. an oversized pressure regulator d. the pressure relief valve

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