One drawback to using CO2 (R-744) as a refrigerant is _____________
A) CO2 is hard to produce
B) CO2 system pressures are extremely high
C) CO2 is flammable
D) CO2 is damaging to plant life
B) CO2 system pressures are extremely high
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Define the term Median.
What will be an ideal response?
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Rats in the wild generally live 3-4 years
Indicate whether the statement is true or false
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Which European city has an arts budget equal to the United States National Endowment for the Arts?
a. Rome b. Paris c. London d. Berlin
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A general definition of refrigerant is:
A) A fluid that can turn heat into mass. B) A fluid that is naturally cold. C) The fluid used in a refrigeration system for transferring heat. D) A hydrocarbon based chemical with noble elements replacing some of the hydrogen atoms.
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