Why would a 35°F medium temperature case need to defrost?
A) A 35°F temperature case does not need to defrost.
B) The store manager might decide to maintain a lower box temperature.
C) The coil temperature for a 35°F box operates below freezing.
D) It is common for water to freeze at 35° in higher elevations.
C
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When truck radiator hoses collapse internally as an engine cools, which of the following components should be checked out first?
A. water pump B. radiator cap C. thermostat D. fanstat
____ is formed when ultraviolet radiation decomposes chlorinated hydrocarbon.
A. Argon B. Phosgene C. Ozone D. Carbon dioxide
Bent foot is also known as ________ foot
A) angular soft B) offset soft C) induced D) squishy
Vacuum __________ uses vacuum supplied by the engine or a vacuum pump.
Fill in the blank(s) with the appropriate word(s).