Holes in the arrow side member of a joint for plug welding are indicated by placing the weld symbol ____ the reference line.
A. next to
B. above and below
C. below
D. above
Answer: C
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Boxes must be marked with the words “DANGER — HIGH VOLTAGE — KEEP OUT” if they house conductors over _____.
a. 240V b. 480V c. 600V d. 1,000V
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What material is used for natural gas piping?
A) Aluminum tubing B) Galvanized pipe C) Iron pipe D) Copper tubing
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What is a source code file?
What will be an ideal response?
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As the head pressure increases due to the accumulation of a liquid in a vessel, the outflow through a pipe at the bottom of the tank ____.
A. increases B. decreases C. stays the same
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