Commercial air conditioning refers to air conditioning applications in

A) private homes and apartments B) retail stores and office buildings
C) automobiles and trucks D) food and product storage


B

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What is another word for organic matter in the soil?

a. particles c. dirt b. biologics d. humus

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When installing a receptacle for a cord-and-plug connected appliance, the receptacle must be located no more than __________ feet from the appliance.

a. 2 b. 5 c. 6 d. 8

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A unique feature of multizone and double-duct systems is that they:

A) Can deliver conditioned air to different zones. B) Will fit in tight spaces. C) Can heat and cool at the same time using a single air handler. D) Operate more efficiently than most other systems.

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If the diameter of a circle is 6.325 mm, what is the circumference to the nearest hundredth millimeter?

A. 19.81 B. 19.83 C. 19.85 D. 19.87

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