When an arc occurs, explosive expansion causes molten metal to be thrown through the air and onto the skin or into the eyes of an electrical worker. The high pressure that results from a/an ____________________ can rupture eardrums and knock people off ladders and scaffolding.

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


arc-blast

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All manufacturers use the same numbering and notation system for schematics.

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

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?A change of 0.001" in valve lash will result in approximately _____°of duration change.

What will be an ideal response?

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Asphalt roofing cement is usually available in _____

a. 1-quart cans b. 1-gallon and 5-gallon pails c. 5-gallon and 10-gallon pails d. 55-gallon drums

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What is the symbol for capacitive reactance?

A. C B. XC C. L D. XL

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