Which of the following represents the best possible vacuum to pull on a domestic refrigerator before charging?

A. 28" Hg Vac
B. 500 microns
C. 0" Hg Vac
D. 1000" Hg Vac


Answer: B

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

Revision clouds can be drawn free-hand or created from previously drawn objects.

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In order to insert genetic material into the plant cell, the _____ must be removed

a. Cytoplasm c. Plastids b. Ribosomes d. Cell wall

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A single spring, multiple springs, or metal bellows are all examples of the _____ that are found in mechanical

seals. a. sealing surfaces b. closing mechanisms c. primary faces d. packing materials

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The side of a right triangle that is opposite the right angle is called the _____.

A. hypotenuse B. adjacent side C. opposite side D. right side

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