A 30 X 50 house has two-zone heating. The first floor is set to maintain 72 degrees, while the upstais is set to 75 degrees. The ceiling between the two floors is made of 1/2" plaster board with no insulation. What is the BTUH loss through the ceiling?
Fill in the blank(s) with the appropriate word(s).
1,125 BtuH
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The Republicans lost the 1856 election in part because of
A. southern threats that a Republican victory would tantamount be a declaration of war. B. lingering support for slavery in the North. C. northern bullyism. D. the North's unwillingness at this stage to let the South depart in peace. E. the division between Democrats and Know-Nothings.
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For the network illustrated in Fig. 14.85, find
 figure 1.png)
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Which substance is not found in CFC refrigerants?
a. Chlorine b. Carbon c. Fluorine d. Hydrogen
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The two common types of elastomeric couplings that are loaded in compression are _________ and _________
Fill in the blank(s) with correct word
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