A jack arch is supported on steel angle irons if the opening is _____ long.
A. less than 2'
B. more than 2'
C. between 1' and 2'
D. more than 1'
Answer: B
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A No. 1 isolated conductor must be identified using which of the following colors?
a. Brown b. Orange c. Yellow d. White
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Before flushing any system, all in-line devices, such as soft-seated control valves and magnetic flowmeters,
must be _____. a. calibrated b. opened c. closed d. removed
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To ensure your safety on the jobsite, you must stay alert, understand the hazards involved, and _____________________________________.
What will be an ideal response?
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C++ is an example of ________
A) a high-level language B) an assembly language C) a compiler D) machine language
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