Given a multistory building with a floor-to-floor height of 10 ft and an optimal riser height of 7 in., how many treads would you use for a U-shaped stair with a midlanding between floors? (The landing is not counted as a tread.)

A) 15
B) 16
C) 17
D) 18
E) None of the above


A) 15

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Identify the axiom or postulate that applies to the following statement.    If  x = AB + CD + EF + GH, then x- y = B + CD + EF + GH- y

Fill in the blank(s) with the appropriate word(s).

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All ____ receptacle outlets used in technical applications shall be GFCI protected.

A. 15- and 20-ampere B. 15- and 25-ampere C. 15- and 30-ampere D. 20- and 30-ampere

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A mission statement is ________

A) The next logical step from a vision statement B) A term only used by NASA and Star Trek C) An explanation of your dream as a company D) All of the above

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What term best describes a liquid with a flash point below 140°F?

A) Radioactive B) Ignitable C) Corrosive D) Toxic

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