An automatic expansion valve will ____________________ as the evaporator pressure decreases.
Fill in the blank(s) with the appropriate word(s).
open
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What right, later rescinded by Napoleon, did women gain as a result of the Revolution?
a. the right to vote b. the right to equal pay c. the right to divorce d. the right to child support
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What is an odorant commonly used in natural gas called?
What will be an ideal response?
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List at least three different joint designs that could be used when performing a frame sectional replacement, and briefly describe how each is made.
What will be an ideal response?
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What should be done if the pH level of water in a chilled-water system is 7.2, add _____
a. acid to the water b. alkalinity to the water c. nothing to the water d. a neutralizer to the water
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