When steel wool is used to clean copper tubing, it should be _____

A) No. 00
B) No. 01
C) No. 02
D) No. 03


Answer: A

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Woods are divided into two classes: hardwoods and ____.

A. softwoods B. mediumwoods C. evergreens D. deciduous

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It is not true that the first cloned sheep did which of the following?

A. Produced normal lambs B. Aged rapidly C. Had unusual arthritis D. All answers

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Open-loop water-source systems normally draw the water from:

A) City water. B) A deep well. C) A nearby lake or pond. D) A shallow well.

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A full oil tank holds 290 gallons of #2 fuel oil. During 5 months, the amounts of fuel oil used are: 8 gallons, 24 gallons, 32 gallons, 91 gallons, and 105 gallons. How many gallons of fuel oil are left in the tank?

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

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