A perfect 30"Hg vacuum is, in reality, unobtainable. So when reference is made to a 30"Hg vacuum, we are actually referring to a vacuum of __________.

A. 25.4"Hg
B. 28.9"Hg
C. 29.29"Hg
D. 29.92"Hg


Answer: D

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In the ____________________ method of dimensioning, the overall dimensions of length, width, and height are given.

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

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Which of the following would you use for a quick and easy check of power tools?

a. ohmmeter b. voltmeter c. ammeter d. thermocouple

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A plant or animal that carries a disease or parasite during part of its life cycle is called a(n):

Indicate whether the statement is true or false.

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