Define the term electrical control
What will be an ideal response?
An electrical control is the switches and contacts in a circuit that open and close to allow voltage and current to flow to loads. These controls can be energized manually such as a selector switch, or automatically from a magnetic coil that controls contacts of a relay, contactor or motor starter.
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When lifting an object using eyebolts, always use a _____ in each eyebolt.
a. choker sling b. shackle c. hook d. wire rope
_____ are typically encountered with processes that use a flux or leave a slag or residual silicon after welding.? ?
Fill in the blank(s) with the appropriate word(s).
Which type of material is installed on the inside of the duct system?
A. foil-covered fiberglass insulation wrap B. acoustical duct lining C. either a or b D. neither a nor b
Residual parent materials have formed in place and have not been transported from one area to another
Indicate whether the statement is true or false