How does a compression cycle refrigeration system move heat from a relatively cold temperature to a relatively warm temperature?

What will be an ideal response?


It boils refrigerant at a low pressure and temperature to absorb heat inside and condenses refrigerant at a high temperature and pressure to release heat outside.

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Short-term or immediate effects of human exposure to poor IAQ may _____.

a. show up years after the exposure b. be severely crippling or fatal c. occur after a single, high-dose exposure d. require long-term medical treatment

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____________________ is a diode that releases some of its current as light.

Fill in the blank(s) with the appropriate word(s).

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Whether the root of the weld has excessive root reinforcement can be determined by ____.

A. visual inspection B. x-ray testing C. cutting a cross-section of the weld D. destructive testing

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The standard atmospheric pressure at sea level is ____.

A. 29.60" Hg B. 29.71" Hg C. 29.83" Hg D. 29.92" Hg

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