
Refrigerant Flashcard 10
Flashcard
•
Physics
•
University
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the weight of a supply cylinder after adding 22 oz. of refrigerant if it originally weighs 24 lb. 12 oz.?
Back
23 lb 6 oz.
2.
FLASHCARD QUESTION
Front
What does a graduated cylinder charging device do?
Back
Measures refrigerant by volume for precise refrigerant charging, has a compensation dial for adjusting to the temperature of the refrigerant, and often has a heater to keep the refrigerant temperature from dropping when refrigerant is released into the system.
3.
FLASHCARD QUESTION
Front
What is the weight of a supply cylinder after adding 30 oz. of refrigerant if it originally weighs 26 lb. 4 oz.?
Back
24 lb 6 oz.
4.
FLASHCARD QUESTION
Front
What happens if a critically charged refrigeration system is overcharged?
Back
Increased operating pressures.
5.
FLASHCARD QUESTION
Front
In what position should a single valve supply cylinder be placed when charging liquid refrigerant?
Back
Upside down.
6.
FLASHCARD QUESTION
Front
Define refrigerant.
Back
A substance used in a heat pump or refrigeration cycle to transfer heat.
7.
FLASHCARD QUESTION
Front
What is the purpose of charging a refrigeration system?
Back
To ensure the system has the correct amount of refrigerant for optimal performance.
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