Airless plastic welding uses an electric heating element to melt a smaller 1/8-inch (3 mm) diameter rod with no external air supply.
Answer the following statement true (T) or false (F)
True
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Because only the ____ of formwork is measured, the estimator does not have to be concerned about the design of the forms at the time of the takeoff.
A. depth B. height C. volume D. area
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On a psig gauge, "0" is actually ____.
A. 0 psia B. 14.7 psia C. 12 pisa D. -14.7 psia
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A pulse-width modulated control signal can be checked with an AC voltmeter.
Answer the following statement true (T) or false (F)
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Heat treating is a process of heating and cooling steel using specific controlled conditions and techniques. Steel is very hard when initially formed and allowed to cool naturally.
Answer the following statement true (T) or false (F)
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