The ____ is the horizontal step of the stairs.
A. total rise
B. total run
C. riser
D. tread
Answer: D
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Characteristics of a truss include
A) greater spanning capability than a sawn lumber beam having the same amount of material. B) individual members joined together to form an array of interconnected rectangular frames. C) individual members joined together to form an array of interconnected triangular frames. D) A and B. E) A and C.
Which of the following is used to supply biocides to steam and water systems?
a. Dual media filter b. Brine tank c. Automatic chemical feed controller d. Boiler blowdown control system
Much of the United States petroleum is imported from _____
A) the Middle East B) Mexico C) South America D) the Gulf Coast
As part of the rehabilitation of the downtown area of a southern U.S. city, the Parks and Recreation Department expects to develop the space below several overpasses into basketball, handball, miniature golf, and tennis courts. The estimates are: initial cost of $190,000, life of 20 years, and annual M&O costs of $21,000. The department expects 20,000 people per year to use the facilities an average of 2 hours each. The value of the recreation has been conservatively set at $1.00 per hour. At a discount rate of 6% per year, what is the B/C ratio for the project?
What will be an ideal response?