What is the annual operating cost for a solar water heating system with an SEF (solar energy factor of 2.1? (12.03 = a constant for the average kWh/day of electricity used in electric water heaters and 12ยข = 2014 national average cost of electricity in kWh)
A) $250.91 B) $225.19 C) $278.73 D) $234.66
A
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Preparing the site means clearing any brush or trees that are not to be part of the finished landscape.
Answer the following statement true (T) or false (F)
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Compared to land that is not disturbed by tillage, conventionally plowed cropland usually loses much more ________
A) dissolved P B) particulate P C) total P D) both B and C are correct E) none of the above is correct
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Which type of antilock brake system (ABS) requires the use of four wheel sensors?
A) One channel B) Two channel C) Three channel D) Four channel
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What is a disadvantage of finite-difference digital-filter design using forward differences?
What will be an ideal response?
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