
Understanding Refrigeration System Dehydration
Quiz
•
Architecture
•
10th Grade
•
Practice Problem
•
Hard
Lucas Neal
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to remove moisture from a refrigeration system during dehydration?
To prevent the formation of hydrochloric and hydrofluoric acids
To increase the system's cooling capacity
To reduce the system's energy consumption
To improve the system's airflow
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of evacuating a refrigeration system to 500 microns or lower?
It ensures the system is free of all refrigerants
It indicates that the system is free of moisture and water vapor
It guarantees the system will not leak
It confirms the system is ready for refrigerant charging
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which factor does NOT affect the speed and efficiency of evacuation in a refrigeration system?
Size of the equipment being evacuated
Brand of the micron gauge
Ambient temperature
Size of the vacuum pump
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why should the vacuum gauge be connected as far away from the vacuum pump as possible during evacuation?
To ensure the vacuum pump operates efficiently
To obtain accurate readings of the system vacuum
To prevent damage to the vacuum gauge
To reduce the evacuation time
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What might be the cause if a refrigeration system does not hold a vacuum after evacuation?
The vacuum pump is too small
There is a leak in the system
The ambient temperature is too high
The vacuum lines are too long
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can heating the refrigeration system during evacuation decrease dehydration time?
By increasing the pressure inside the system
By reducing the viscosity of the refrigerant
By helping to release trapped moisture and refrigerant
By expanding the vacuum lines
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of tapping a compressor with a rubber mallet during evacuation?
To check for leaks in the compressor
To release trapped refrigerant from the oil
To increase the compressor's efficiency
To reduce the noise of the compressor
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