To fasten a duct hanger strap to a floor joist, the nail used would be a ____.
A. finishing nail
B. common nail
C. roofing nail
D. masonry nail
Answer: C
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In a parallel circuit, the voltage across each branch ____, so the current flow through any branch can be computed by dividing the source voltage by the resistance of that branch.
a. is different b. increases c. decreases d. is the same
Service-entrance and overhead service conductors shall be arranged so that ____.
A. lightening rods will extend above them B. water shall not enter the service raceway or equipment C. sealed service head is not exposed D. the main body is supported by rigid masting
According to the text, which of the following is not one of the expected values (benefits) of builder controlled site access for materials storage and heavy equipment?
A) Protection of existing landscaping B) Elimination of excessive weight on tree root systems C) Pollution of ground water sources D) Increased worker safety