Which of the following transformers is the most appropriate type of transformer to use for series street lighting?

a. Current transformer
b. Constant-current transformer
c. Potential transformer
d. Buck-and-boost transformer


b. Constant-current transformer

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The process of ____ quantities onto a separate pricing sheet is adopted because it makes the task of pricing an estimate far more efficient since all related items are gathered in a concise manner.

A. collapsing B. isolating C. recapping D. reducing

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How are special suppression systems generally designed?

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In residential applications, black iron pipe is used _____

a. for refrigerant piping b. to supply gas to a furnace c. as condensate piping d. to supply combustion air

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A cement that is used when concrete forms must be removed as soon as possible is Type _____

a. IA b. II c. III d. IV

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