An ISO "N6" roughness is comparable to:

A. 16 microinches
B. 32 microinches
C. 63 microinches
D. 125 microinches


Answer: B

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?When a filler is submicron in size, it is termed ____. 

A. ?a nanocomposite B. ?isotropic C. ?inert D. ?anisotropic

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The amount of radiant heat energy given off per unit of time from an object depends on the temperature of the radiating body and the _____.

a. barometric pressure b. temperature difference c. humidity of the surrounding air d. object’s color and surface type

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There is a special sale on engine oil. If you purchase more than one 12-quart case, you will receive a 5 percent discount. If you purchase six or more cases, you will receive a 10 percent discount. You have two vehicles that require an oil change every 4,000 miles. Vehicle #1 requires four quarts per oil change plus one additional quart when you also change the oil filter. Vehicle #2 requires five quarts per change plus one quart whenever the filter is changed. Each year your family drives vehicle #1 about 16,000 miles and vehicle #2 about 24,000 miles. You change the oil filter every other time the oil is changed. The normal price for oil is $22.49 per case. Oil filters cost $4.39 each. What is the total yearly cost for all oil and oil filters?

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

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When normal excitation has been achieved, the power factor will be ____ percent.

A. 10 B. 33 C. 66 D. 100

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