In a repair shop, the owner marks off repair stalls each 7 feet 1 1/2 inches wide. What is the total distance needed to make eight stalls? Express the answer in feet and inches.
A. 50 feet 3 inches
B. 54 feet 5 1/2 inches
C. 55 feet 9 3/4 inches
D. 57 feet
Answer: D
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?What is the primary ionizing source used for radiation processing?
A. ?strontium-90 B. ?cesium-137 C. ?electron beam accelerators D. ?burnt uranium slugs from fission reactor waste
Assume that for Jim Swain, a corn producer from Illinois, the only source of farm income is from the production of corn. Swain produced 150,000 bushels of corn in 2012, receiving $5 per bushel. Assuming this producer had production expenses of $300,000, and assuming the Consumer Price Index (CPI) for 2012 was 2.50, what was his real farm income for 2012?
A) $200,000 B) $450,000 C) $180,000 D) $750,000
Acute inhalation toxicity is a danger when chemicals accumulate in the body
Indicate whether the statement is true or false
What is the purpose of a reverse return piping system?
A) To allow the flow direction to be reversed for cooling B) To operate a two-pipe system like a one-pipe system C) To keep the length of piping the same for each convector unit D) To reduce the amount of piping required