The ____________________ qualifies a welder for the 1G position when the welder qualifies for 2G, 3G or 4G.
Fill in the blank(s) with the appropriate word(s).
ASME Section IX
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If the draft available at a boiler outlet is lower than recommended, which of the following might correct the situation?
A) Shorten the stack. B) Install an induced draft fan. C) Install a pressure balancing damper.
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What is the distance identified by balloon callout number 5?
a. 48 inches b. 38-1/2 inches c. 44-1/2 inches d. 50 inches e. None of the above
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The term viscosity index refers to _____.
a. the lowest temperature at which an oil flows freely b. how the viscosity of oil varies with temperature c. the temperature index at which oil gives off ignitable vapors d. the service life of various oil and grease products
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Non-pathogenic bacteria are:
What will be an ideal response?
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