In stair design, all ____ are the same height.
A. verticals
B. risers
C. treads
D. spans
Answer: B
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How could distillation be used in the water treatment industry?
A) To introduce additives to the water B) To remove contaminants from the water C) To separate the hydrogen from the water D) All of the above
The likely cause of noise and potential internal damage to steam piping and traps, especially during startup of a cold system, is _____.
a. water hammer b. flash steam c. an oversized pressure regulator d. the pressure relief valve
Use economic equivalence to determine the amount of money or value of i that makes the following statements correct.
(a) $5000 today is equivalent to $4275 exactly 1 year ago at i = ___% per year. (b) A car that costs $28,000 today will cost $____ a year from now at i = 4% per year. (c) At i = 4% per year, a car that costs $28,000 now, would have cost $____ one year ago. (d) Last year, Jackson borrowed $20,000 to buy a preowned boat. He repaid the principal of the loan plus $2750 interest after only 1 year. This year, his brother Henri borrowed $15,000 to buy a car and expects to pay it off in only 1 year plus interest of $2295. The rate that each brother paid for his loan is ___ % for Jackson and ___ % per year for Henri. (e) Last year, Sheila turned down a job that paid $75,000 per year. This year, she accepted one that pays $81,000 per year. The salaries are equivalent at i = ____% per year.
If a 25% discount is given on an item that lists for $200, the discounted price will be $125.
Answer the following statement true (T) or false (F)