Question 72Refrigeration/AC - Assistant Engineer70% to pass
Which of the devices listed will indicate whether or not a refrigeration system's dehydrator continues to be capable of removing moisture from the circulating refrigerant?
AI Explanation
The correct answer is D) Liquid line moisture indicating sight glass.
The liquid line moisture indicating sight glass allows the operator to visually inspect the refrigerant for any moisture or contamination. If the dehydrator is no longer effectively removing moisture from the system, it will be indicated by the presence of moisture or bubbles in the sight glass. This provides a quick and easy way to assess the condition of the dehydrator and determine if it needs to be replaced or serviced.
The other options, such as a particulate test or a McLeod gage, are not specifically designed to monitor the performance of the dehydrator. The dryer sensing bulb may indicate issues with the refrigeration system, but it does not directly assess the dehydrator's capability.
Related Questions
#70 Why are dehydrators usually located in the liquid line of refrigeration systems? #71 The device shown in the illustration which is used for removing moisture from the liquid refrigerant in the system is labeled with what letter? Illustration GS-RA-12 #73 Which of the following dehydrators or combination filter/driers features a core that can be replaced when the desiccant becomes saturated with moisture? Illustration GS-RA-10 #74 The primary purpose of the liquid line strainer used in a refrigeration system is to prevent dirt and scale from entering what system component(s)? #75 Moisture is removed from a refrigeration system by what action?