What is the best example of ducting generally used in mini-duct systems??
A. ?2-inch diameter fixed ducting
B. ?2-inch diameter flexible ducting
C. ?large standard ducting transitioning to smaller ducting entering the condenser
D. ?6-inch diameter semi-rigid ducting
Answer: B
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 FIGURE 1.png)
(a) Plot the data on rectangular graph paper.
(b) Determine the equation of the line using the method of selected points.
(c) Determine the equation of the line using computer-assisted methods.
(d) Interpret the slope of the line.
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A. A only B. B only C. Both A and B D. Neither A nor B
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Indicate whether the statement is true or false
Extractors are devices used with _____
a. fire dampers b. smoke dampers c. access doors d. take-offs