UL requires that the power (wattage) input must not exceed ____ percent of the water heater's nameplate rating.
Fill in the blank(s) with the appropriate word(s).
105
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Explain what happens when spatter falls onto the shielding gas nozzle, and how this can be minimized.
What will be an ideal response?
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Gas chromatography is used to _____
A) separate mixtures of gases for identification B) increase the thermal conductivity of a gas C) prevent chemical reactions in noble gases D) determine the opacity of gas mixtures
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Convert 36 degrees Celsius to degrees Fahrenheit and round to the nearest of the following values:
A. 32 degrees Fahrenheit B. 50 degrees Fahrenheit C. 100 degrees Fahrenheit D. 360 degrees Fahrenheit
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In general terms, which of the following stones is considered most durable?
A) Marble B) Slate C) Limestone D) Granite E) Sandstone
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