The top rail of scaffolding should be at least _____.
a. 24" high
b. 36" high
c. 42" high
d. 48" high
c. 42" high
Trades & Technology
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What is a light-emitting diode (LED)?
What will be an ideal response?
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A cutting plane line shows where the imaginary cut is made and the viewing direction that applies to the section view.
Answer the following statement true (T) or false (F)
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The vertical clearance above roof level must be maintained for a distance of at least ____ ft from all edges of the roof.
A. 3 B. 4 C. 6 D. 8
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According to the power triangle, the apparent power is _____
a. less than the true power b. greater than the true power c. less than the reactive power d. equal to the reactive power
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