How can an installer accurately determine the weight for a particular rooftop unit?
A) an accurate estimate can be obtained by multiplying the unit volume times 2 pounds
B) balance the unit on top of an electronic charging scale
C) calculate the unit volume and divide that volume by the density of copper
D) Look in the manufacturer's installation instructions
D
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What will be an ideal response?
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Canned petfoods appeared in the
A. 1860s B. 1890s C. 1920s D. 1950s E. None of the above
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