

ACR-204 Homework week 1
Flashcard
•
Professional Development
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Professional Development
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Practice Problem
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Hard
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14 questions
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1.
FLASHCARD QUESTION
Front
The component used to switch the heat pump unit between the heating and cooling modes of operation is the ____.
Back
four-way valve
2.
FLASHCARD QUESTION
Front
An air-to-air heat pump ____ heat from the outside air and deposits it in the conditioned space.
Back
removes
3.
FLASHCARD QUESTION
Front
The main valve in a pilot-operated four-way reversing valve is moved by pressure created by the ____.
Back
low and high side pressure difference
4.
FLASHCARD QUESTION
Front
The larger line in an air-to-air split-system heat pump is known as the ____ line.
Back
gas
5.
FLASHCARD QUESTION
Front
The smaller line in an air-to-air split-system heat pump is known as the ____ line.
Back
liquid
6.
FLASHCARD QUESTION
Front
When brazing a four-way reversing valve, a wet rag could be wrapped around the body of the valve to minimize the chance of internal damage to the valve.
Back
True
7.
FLASHCARD QUESTION
Front
During operation, the compressor motor will rotate in the opposite direction to change the direction of refrigerant flow.
Back
false
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