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Master Class: HVAC Refrigeration & Cooling Systems
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What is the primary purpose of a crankcase heater on a compressor?
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50-50
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A
To heat the indoor air during winter
B
To prevent refrigerant from condensing in the compressor oil during off-cycles
C
To speed up the evaporation of liquid in the condenser
D
To lower the electrical resistance of the motor windings
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