Question 130Refrigeration & AC - Assistant Engineer
70% to passMoisture in a refrigeration system can cause which of the following conditions?
Acorrosion of system piping
Bfreezing the expansion valve closed
Chermetic motor burnout
Dall of the above
AI Explanation
The correct answer is D) all of the above. Moisture in a refrigeration system can cause: 1) Corrosion of system piping: Moisture can lead to corrosion of metal components in the refrigeration system, including the piping. 2) Freezing the expansion valve closed: Moisture can freeze at the expansion valve, causing it to close and restrict refrigerant flow. 3) Hermetic motor burnout: Moisture can damage the hermetic compressor motor, leading to premature failure. Therefore, the presence of moisture in a refrigeration system can lead to all of the conditions listed in the answer choices.
Related Questions
Q@q.QuestionNumber:For most multi-box refrigeration systems, the refrigerant sight glass would be l... Q@q.QuestionNumber:Which of the illustrated devices would be the LEAST accurate for the purposes of... Q@q.QuestionNumber:Concerning the operation of refrigeration systems, frosting or sweating of a liq... Q@q.QuestionNumber:What is the purpose of running a refrigeration compressor in short intermittent ... Q@q.QuestionNumber:In a two stage centrifugal air conditioning system, the liquid refrigerant passe...
Ready to test your knowledge?
Take a Refrigeration & AC - Assistant Engineer Practice ExamOfficial Resources
Want to practice with timed exams?
Download Coast Guard Exams for the full exam experience.
Get the App