What is the function of a purge unit?
A) A purge unit is used to purge the refrigeration oil out of the refrigerant.
B) A purge unit is used to purge the superheat from the condenser.
C) A purge unit will purge the air from the top of the condenser.
D) A purge unit is used to purge the air out of the chilled water loop.
C
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Photoconductive devices exhibit a change of resistance due to the presence or absence of light.
Answer the following statement true (T) or false (F)
Who discovered the relationship between gases when one or more were mixed together?
A) Robert Boyle B) John Dalton C) Daniel Bernoulli D) Jacques Alexander Cesar Charles
Given the graph depicted below, the overall elasticity of this demand curve can be categorized as ________.
Fill in the blank(s) with the appropriate word(s).
In the diagram, which region had almost an equal amount of electricity and natural gas consumption?
?
Fill in the blank(s) with the appropriate word(s).