In most cases, feeder conductor size is adjusted when _____.

a. the ambient temperature that the conductors will pass through is 30°C (86°F)
b. there is a 2% voltage drop
c. there are more than three current-carrying conductors in the raceway
d. the load to be supplied is a noncontinuous duty load


c. there are more than three current-carrying conductors in the raceway

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_____ scaffolding can consist of one or more platforms supported by rigid, strong, load-bearing members or supports, such as tubular steel sections, poles, frames, masts, and outriggers.

A. Suspending B. Swinging C. Lifting D. Supporting

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____ provide branch-circuit protection for each of the machines in the manufacturing area of the plant.

A. Steel halves B. Bus plugs C. End connections D. Machine tools

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________________ dimensioning combines angular dimensions with other dimensions to locate features from planes, centerlines, or center planes.

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

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Steel filters are economical since they are ____________________.

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

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