When building a stair with a total rise of 7'-7", the number of risers required and their unit rise is _____.

a. 11 risers, each 7-1/2" high
b. 12 risers, each 7" high
c. 13 risers, each 7" high
d. 14 risers, each, 7-1/4" high


Answer: C

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Health care facilities are often supplied by two or more distribution points; this is known as a(n) _____.

a. essential electrical system b. double-ended system c. spot network d. emergency branch

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Explain why it is important to understand the total electrical residential, commercial, and industrial demand for electrical power when you study solar energy

What will be an ideal response?

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To check the condition of the compressor's motor windings, a technician will need to measure the resistance of the windings using a standard:

A) Ammeter. B) Ohmmeter. C) Multimeter. D) Voltmeter.

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A contractor's estimate for a job lists $17,850.00 for excavating and grading, $2,110.50 for concrete work, $890.00 for brick work, and $480.00 for setting stone. What is the total of this estimate?

What will be an ideal response?

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