The frequency of the fourth harmonic is _____.

a. 120
b. 240
c. 420
d. 480


b. 240

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Rubber gloves are always the best choice for any type of job.

Answer the following statement true (T) or false (F)

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The safety switch in the chilled water line that is activated by water flow is called a(n) ____________________.

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

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Compute the surface area in square inches of a basketball that has a circumference (great circle) of 28 3/4 inches.  Round the answer to 3 significant digits.

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

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The term ____ refers to the shape or contour of a specific parcel of land.

A. oriel B. corbel C. terrain D. solar orientation

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