What is the advantage of a high pressure oil burner?
What will be an ideal response?
High pressure burners do not require barometric draft regulators and can be used with sealed combustion oil furnaces that bring all their combustion and ventilation air in from outside.
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________: substitution of a product for another because the price of the former has declined or increased.
Fill in the blank(s) with the appropriate word(s).
When writing or creating a visual message in a professional setting, you should _____.
a. use technical language so that only your peers will be able to understand b. always give your opinion c. state the purpose of the message last to make it more impactful d. proofread your work and make sure the document is legible
What makes a building sustainable?
What will be an ideal response?
When installing a double riser in a commercial refrigeration system, which of the following statements is true?
A) The combined areas of the risers should be greater than the area of the suction line. B) The combined areas of the risers should be less than the area of the suction line. C) The combined areas of the risers should be equal to the area of the suction line. D) Both of the risers should be the same size.