Why do most heat pumps have two metering devices?
What will be an ideal response?
Since both coils must function as the evaporator during one of the cycles, they each need a metering device: one for the indoor coil and one for the outdoor coil.
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Two factors of cam lobe profile are called lift and length.
Answer the following statement true (T) or false (F)
Normally ____________________ contacts must be checked with the device de-energized.
Fill in the blank(s) with the appropriate word(s).
Sustainable development practices, such as traditional neighborhood development, also known as ____, work to combine residential, retail, and office uses in close proximity to reduce driving miles and encourage walking.
A. urban development B. new neighborhoods C. compact urbanism D. new urbanism
Working drawings of gears show the detailed shape of the gear teeth.
Answer the following statement true (T) or false (F)