Alkaline cleaners will remove rust and scale.
Answer the following statement true (T) or false (F)
False
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_____ serve two specific purposes: (1) to indicate the location of a construction feature and (2) to indicate the size of this object or feature.
A. Dimensions B. Figures C. Architects D. Exceptions
How would you design to avoid duct noise from above the ceiling? Select all that apply.
A) Increase aspect ratio to achieve larger duct absorption surface. B) Avoid sharp, abrupt edges at takeoffs. C) Install sound traps at the beginning of the supply main. D) Restrict velocities to 3000 fpm maximum.
The degradation of irrigated soils across the once very productive "Fertile Crescent" of the Middle East was due primarily to:
A) destructive wars in the region. B) high calcium and magnesium levels in the irrigation waters. C) inadequate equipment and power to properly cultivate the soil. D) poor internal drainage of the soils. E) high levels of calcium-containing salt in the irrigation water.
Define U-factor.
What will be an ideal response?