A simple semicircular protractor has two scales, each graduated from 0o to ____________________o so that it can be read from either the left or right side.
Fill in the blank(s) with the appropriate word(s).
180
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Which of these fire classifications involves flammable liquids?
a. Class A b. Class B c. Class C d. Class D
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The majority of charges on the surface of soil particles are:
A) negative B) positive C) ?neutral D) dry
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If an oil burner equipped with the cad cell relay ignites, runs for about ninety seconds, and cuts off. What is the first thing the service technician should do?
What will be an ideal response?
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Which unit of charge contains 6.25 × 1018 electrons?
A) an ampere B) a coulomb C) a joule D) a volt
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