Residential HVAC Installation Practice Exam 2025 - Free HVAC Practice Questions and Study Guide

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True or False: Under a deep vacuum, liquid water under the oil in the motor-compressor assembly can be removed by operating the compressor motor without adverse effects on the system.

True

False

False. Operating the compressor motor under a deep vacuum with liquid water under the oil in the motor-compressor assembly can have adverse effects on the system. The presence of liquid water can cause damage to the compressor components and lead to system failure. It is important to ensure that all moisture is removed from the system before operating the compressor to prevent any potential damage.

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