Refer to the illustration, which shows an exposed-grid suspended ceiling that is 10' × 20' and uses 2' × 4' ceiling tiles. The number of 10' sections of wall angle needed for the ceiling is _____.
a. five
b. six
c. seven
d. eight
Answer: B
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How does the cad cell operate to secure the burner in the event of a flame out?
What will be an ideal response?
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In residential applications, black iron pipe is used _____
A) for refrigerant piping B) to supply gas to a furnace C) as condensate piping D) to supply combustion air
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An auxiliary view is projected from the inclined surface in the view where the inclined surface appears as a:
A. contour B. surface C. partial view D. line or edge E. none of the above
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The pH is a measure of the degree of acidity or alkalinity. Neutral on the pH scale is the number ____________________
Fill in the blank(s) with the appropriate word(s).
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