The point at which the filament __________ in the viewfinder of an optical pyrometer is when its temperature is equal to the target.
A. appears
B. disappears
Answer: B
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Supply of water is limited due to _____
a. the amount of polluted water b. industry use c. most of Earth's water is salt water d. melting glaciers
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____________________ costs are those expenses that change with the quantity of work being produced.
Fill in the blank(s) with the appropriate word(s).
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A thick part made of nickel is put into a room filled with hydrogen at 3 atm and 85°C. Determine the hydrogen concentration at a depth of 2 mm from the surface after 24 h.
What will be an ideal response?
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A shower safe 30" X 36" X 5"is to be made of steel. What is the area in square feet?
Fill in the blank(s) with the appropriate word(s).
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