What is polarity?
What will be an ideal response?
Polarity refers to the direction of the flow of electricity in the welding circuit.
Trades & Technology
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A penstock drops 22 feet 7 inches in height. What is the drop in inches??
Fill in the blank(s) with the appropriate word(s).
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Cubic yards are typically used to measure:
A) Floor space in a home. B) Amounts of refrigerant. C) Small containers of oil. D) Large volumes of dirt.
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Workers’ compensation represents a compromise between the needs of employees and the needs of employers.