A number of small welds are better than one or two large welds because the small welds do not have as much stress and are less likely to cause postweld cracking.

Answer the following statement true (T) or false (F)


True

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If you were to measure the cross section of a 2 x 4 you would find it to be 1.5 inches wide by 3.5 inches tall. What do the numbers “2 x 4” refer to?

a. Actual size b. Nominal size c. Approximate size d. Rough size

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Each electric furnace is designed to hold which of the following?

A) a specific type and size of heating fan B) a specific type and size of the nickel chrome alloy C) a specific type and size of heating oxidation D) a specific type and size of heating element rack

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When tack welding coupons together, heavy-wall or large-diameter pipe may require _____

a. a full root pass without tacks b. double layers of tacks c. many very short tacks d. longer tacks

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Cheese is made using an enzyme called _____.

Fill in the blank(s) with the appropriate word(s).

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