One critical dimension required in designing stairs, ____, is the distance from one floor to the next or, in other words, the height that the stairs must span.
A. total rise
B. x-distance
C. stair elevation
D. floor span
Answer: A
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Which of the following must have at least 2 square feet of surface area exposed to the surrounding earth?
a. Equipment grounding conductor b. Rod electrode c. Pipe electrode d. Plate electrode
____ is the distance between the outsides of the walls covered by a roof.
A. Pitch B. Overhang C. Rise D. Span
ASK stands for asynchronous serial keying
Indicate whether the statement is true or false
A closed-loop system is practical only when:
A) There is an adequate supply of water, it is of good quality, and local codes and regulations permit groundwater disposal. B) The geology, hydrology, and land availability meet the requirements for system installation. C) Loops are closed vertically, because they take up significantly less space. D) Loops are closed horizontally, because they are the most economical.