The purpose of the ____ valve is to prevent gases from accidentally flowing through the torch and into the wrong hose.
A. flashback arrestor
B. reverse flow
C. safety release valve
D. safety disc
Answer: B
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The _____ on each scale separates the inches from the feet on the architest's scale.
Fill in the blank(s) with the appropriate word(s).
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What does SAE stand for?
a. Society of Agricultural Engineers b. Society of Automotive Engineers c. Society of Aerospace Engineers d. Society of Aeronautical Engineers
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These notes relate to features within the floor plan, such as the header size over a window opening:
A. general B. specific C. standard D. location E. none of the above
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What is the purpose of DWV pipe?
Fill in the blank(s) with the appropriate word(s).
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