Understanding Refrigeration System Dehydration

Understanding Refrigeration System Dehydration

10th Grade

10 Qs

quiz-placeholder

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Understanding Refrigeration System Dehydration

Understanding Refrigeration System Dehydration

Assessment

Quiz

Architecture

10th Grade

Practice Problem

Hard

Created by

Lucas Neal

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10 questions

Show all answers

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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