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
____ 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
________________ 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).
Steel filters are economical since they are ____________________.
Fill in the blank(s) with the appropriate word(s).