SC Refrigeration Practice Questions - South Carolina Refrigeration Contractor Examination Exam

Horizontal suction lines are pitched and suction risers are trapped so that:

Liquid refrigerant drains into the condenser Oil flows with the suction vapor back to the compressor instead of lying in the evaporator or at the foot of a riser The TXV bulb always sees liquid Condenser subcooling increases automatically

Correct Answer:

Oil flows with the suction vapor back to the compressor instead of lying in the evaporator or at the foot of a riser

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