A short line, or ____ mark, represents the joint between the pipe and the fitting.
A. cross
B. dash
C. hash
D. pipe
Answer: C
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Multipurpose power tools that center, hold, and rotate pipe, conduit, or bolt stock while cutting and reaming are performed are called _____.
a. pipe threading machines b. vises c. nibblers d. cutters
Sue has four grain bins on her farm. The bins are 38 feet in diameter and 26 feet to the roof. The roof has a height of 6 feet 8 inches. She can fill only 88 percent of the roof capacity.
a. How many cubic feet are in one bin? b. How many bushels can be stored on the farm? (Note: 1.25 cu ft = 1 bu.)
In order to determine the correct length for a common rafter, it is necessary to _____
a. subtract the width of the bird?s mouth b. subtract half the thickness of the rafter c. subtract half the thickness of the ridgeboard d. add half the thickness of the ridgeboard
?What is the best way to estimate peak hourly water demand in a household?
A. ?Consult a DOE table. B. ?Make an educated guess based on the number of people in the household. C. ?Discuss or monitor hot water usage patterns with the occupants. D. ?Peak hourly water demand does not vary much between households, so a standard value may be used.