Residential HVAC Installation Practice Exam

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Prepare for the Residential HVAC Installation Exam with this comprehensive quiz. Test your knowledge with multiple-choice questions and get ready to excel in your HVAC installation career.

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.

What can air entering a refrigerant system lead to?

Condenser blockage
Thermostat malfunction
Compressor failure
Evaporator coil freezing

The correct answer is: Compressor failure

Air entering a refrigerant system can lead to compressor failure. This is because air contains moisture and other contaminants that can cause corrosion and damage to the compressor. In addition, air can also decrease the efficiency of the compressor, leading to overheating and potential failure. Options A, B, and D may also be potential issues caused by air entering a refrigerant system, but they do not specifically address the issue of compressor failure.