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CH 28 Electric Wiring Design Exam Questions and Answers
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CH 28 Electric Wiring Design Exam Questions and Answers
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CH 28 Electric Wiring Design ExamQuestions and Answers
Flexibility in electrical wiring design is a term used to denote: - Answer -an ability to
change and expand over time
The following facility type would require the greatest wiring system flexibility: - Answer -
research laboratory
Reliability of a building electrical system is: - Answer -dependent upon both the
building's electrical system and the utility's service
The following statement best describes the relationship between first cost and life cycle
cost when evaluating an electrical system: - Answer -the two costs generally have an
inverse relationship with one another
An estimate of the total building electric load must be completed in order to plan for all
of the following spaces except: - Answer -duct distribution trees
An energy budget for a building is best described as: - Answer -a design target (perhaps
mandatory) in Btu/square feet/year
The following statement best describes the distribution voltage systems available in the
United States and Canada: - Answer -Several voltage systems are commonly available
in both countries
Which of the following system voltages is most likely to be used as the primary
distribution system in a large commercial or institutional building? - Answer -277/480
volt, 3-phase, 4-wire
Which of the following system voltages is most likely to be used in a single-family
residence? - Answer -120/240 volt, 1-phase, 3-wire
An electric closet is generally: - Answer -a fairly small room used to house electric
equipment and distribute power to branches
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