Refrigerant Safety Flashcard
Flashcard
•
Specialty
•
University
•
Practice Problem
•
Hard
Roger Larsen
Used 1+ times
FREE Resource
Student preview
50 questions
Show all answers
1.
FLASHCARD QUESTION
Front
The minimum concentration of a refrigerant that can propagate a flame through a consistent mixture of the refrigerant and air is known as the;
Back
lower flammability limit (LFL)
Answer explanation
Page 22
2.
FLASHCARD QUESTION
Front
Why should refrigerant cylinders be transported in the upright position?
Back
To ensure the pressure relief valve is in contact with the vapor space of the cylinder.
Answer explanation
Pages 1 & 38
3.
FLASHCARD QUESTION
Front
Tools used during the installation or service of systems charged with a flammable refrigerant must be:
Back
rated for use with flammable refrigerants
Answer explanation
Page 4
4.
FLASHCARD QUESTION
Front
The first stage of the evacuation process which removes non-condensables from a system is called;
Back
degassing
Answer explanation
Page 29
5.
FLASHCARD QUESTION
Front
Once a flammable refrigerant has been recovered and stored in a recovery cylinder, what should be done?
Back
It must be placed a safe distance away from the work area before a system repair or installation is started.
Answer explanation
Page 26
6.
FLASHCARD QUESTION
Front
In a vapor-compression refrigeration circuit, the term non-condensable is used to describe;
Back
any gas that will not condense to a liquid
Answer explanation
Page 29
7.
FLASHCARD QUESTION
Front
What can affect the speed and efficiency of an evacuation?
Back
The capacity of the vacuum pump and hoses being used.
Answer explanation
Page 30
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