Which of the following battery byproducts can be explosive when mixed with air?
a. Acid
b. Hydrogen
c. Mercury
d. Zinc
b. Hydrogen
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What is a triac?
What will be an ideal response?
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?What layout tool can be used to mark a straight line by dragging it along the straight edge of plate while holding a piece of soapstone against the end of the tool?
A. ?straight edge B. ?12' tape measure C. ?framing square D. ?combination square
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Vermiculite is a human-made ingredient of soilless media
Indicate whether the statement is true or false
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During the setup of GTAW equipment, what must be connected to the workpiece?
a. The tungsten electrode lead b. The workpiece lead c. The shielding gas nozzle d. The primary disconnect
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