A device that moves a device such as a valve or damper is called:
A) An actuator. B) A sensor. C) A switch. D) A sending unit.
A
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Discuss soil organic matter and climate
What will be an ideal response?
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Before the Opium Wars, which was the only Chinese city open for foreign trade?
a. Canton b Macau c. Shanghai d. Nanking
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To avoid electrical shock, what class fire extinguisher should be used on electrical equipment?
A) Class D B) Class B C) Class C D) Class A
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A circuit uses 216.2 watts and draws a current of 1.88 amps. Find the resistance. Express the answer to the nearer hundredth ohm.
and 
Fill in the blank(s) with the appropriate word(s).
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