What are grains and what air property is measured in grains?

What will be an ideal response?


A grain is a small measurement of weight. 7000 grains = 1 pound. Grains are used to measure the amount of water in the air. This is called the specific humidity.

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____ air handlers permit the motor to operate at different speeds in accord with the demands of the system.

a. Variable-speed b. Outdoor c. Low temperature d. High pressure

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Which of the following do you think was the most important issue of the late 19th century: the "bloody shirt," the end of Reconstruction, tariffs, civil-service reform, or "hard" versus "soft" currency? Why did you select one of these above issues as the most important?

What will be an ideal response?

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A cylinder has a bore of 4.060 inches and a stroke of 3.480 inches. Find the swept volume of the cylinder, and round to the nearest hundredth. Use the value 3.1416 for ?

A) 41.05 in^3 B) 49.05 in^3 C) 45.05 in^3 D) None of these

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A molecule is the smallest portion that an element or subsance can be divided into.

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

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