The refrigerant in an absorption chiller whose source of energy is steam or hot water is ____________________.
Fill in the blank(s) with the appropriate word(s).
water
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Explain why some parts of the world tend to be naturally covered by trees and other parts by shrubs, grasses, and other
small plants.
What will be an ideal response?
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A ____ is used to change AC to pulsating DC and increase the output voltage of a circuit.
a. low-power circuit b. transformer c. cathode ray d. voltage multiplier
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One limitation of a single-spring seal is the _____
a. pressure exerted by the spring b. ability to properly seat the seal c. radial space it requires d. leak rate of the seal
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What is the maximum speed limit on two-lane undivided highways, unless otherwise posted?
a. 45 MPH b. 65 MPH c. 55 MPH
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