What is the purpose of the required auxiliary drain pan for attic installation of blower coil units?
A) to provide faster condensate water drainage
B) to make changing the drain pan easier
C) to offset the negative pressure on the primary drain
D) to keep water from ruining the ceiling if the primary drain stops up
D
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A(n) ____________________ triangle has three equal sides.
Fill in the blank(s) with the appropriate word(s).
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The ____ weave pattern is often used for flat position welds on butt, tee, and outside corner joints.
A. circular B. square C. J D. T
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Before swinging a sledgehammer, _____
a. be sure the nonstriking face is clean b. be sure everyone is clear c. position your legs 4 feet to 5 feet apart d. put on heavy gloves
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The components of mechanisms are known as kinetics.
Answer the following statement true (T) or false (F)
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