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Engine: Refrigeration AC

Question 1,033 of 623

An evaporator coil of a single evaporator, air-cooled refrigerator is accumulating excessive frost due to a failure of the defrost mechanism. If the refrigerator features a thermostatically controlled box solenoid and a low-pressure cut-out-controlled compressor, as well as a high-pressure cut-out, in terms of the compressor, what would be the most likely operating symptom?

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Appears on the 2026 sample exam for

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