Why does an air source heat pump system's heating capacity decrease as the outdoor temperature decreases?
A) the compression ratio increases because the evaporator pressure increases
B) the compression ratio decreases because the evaporator pressure increases
C) the compression ratio decreases because the evaporator pressure decreases
D) the compression ratio increases because the evaporator pressure decreases
D
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Fill in the blank(s) with correct word
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This is the highest wear part of the clutch:
a. the pressure plate b. the clutch disc c. the release mechanism d. the flywheel
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Deaths on the job have increased considerably over the years.