Which of the following is not a contour symbol used on the welding symbol?

a. Concave
b. Flush
c. Depressed
d. Convex


c

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The more inelastic the market demand curve or a commodity, the more prices will ________.

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

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A problem that is unique to the ____ joint is that a large percentage of the welding heat is reflected back on the torch.

A. tee B. outside corner C. butt D. lap

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Decisions on when to irrigate center around a set schedule, measuring soil moisture, or determining

evapotranspiration since the last rainfall.

Indicate whether the statement is true or false.

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This type of diagram provides the technician with the unit's sequence of operations:

A) Schematic. B) Pictorial. C) Ladder. D) Point to point.

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