An air-acetylene unit usually consists of a B tank of acetylene gas, a regulator, a hose, and a torch.
Answer the following statement true (T) or false (F)
True
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How many threads per inch are designated by 1?2-13 UNC?
a. 1?2 b. 13 c. 1 d. 7.5
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Round 8.545 454 to the nearest thousandth
What will be an ideal response?
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The ____________________ is the most commonly used linear unit of measure for engineering drawings in the United States.
Fill in the blank(s) with the appropriate word(s).
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Which voltage do line voltage thermostats usually control?
A. 24 B. 115 C. 220 D. all of the above E. both b and c
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