How do evaporators in medium temperature refrigeration cases normally defrost?
A) Electric heaters built into the evaporator coil
B) Hot gas is bypassed around the condenser straight into the evaporator
C) The case air circulating over the coil while the compressor is off
D) Small defrost gas burners
C
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_____ are snow white when immature birds, but the adults are a dark blue, almost black, color
a. Snow heron b. Little blue heron c. White heron d. Black heron
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Low-acid foods like tomatoes require less temperature and time than high-acid foods such as meat
Indicate whether the statement is true or false
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A hole in the tire tread can be patched with _______
A) A patch B) A plug C) Either A or B D) None of these
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What is the purpose of an aquastat?
What will be an ideal response?
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