What is an air conditioning system's capacity in tons, if the supply air is moving through the 12" x 24" main supply duct at a velocity of 400 ft/min?
What will be an ideal response?
2 tons, 800 cfm
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Which of the following best describes the sectional shape of a keystone ring?
A. oval B. round C. rectangular D. wedge
If none of the components are held for a planetary gearset but the ring gear is driven what will occur?
a. reverse under drive b. reverse over drive c. neutral d. park
Today municipalities frequently require __________________
A. the recycling of a variety of construction materials B. only require the recycling of wood and steel materials used in construction C. that a special payment be made to the municipality if recycling of construction wastes exceeds one ton. D. gypsum board to be sent to a landfill due to concerns over sulfur contamination.
If the number 4 is cubed it simply means that 4 is multiplied by itself three times.
Answer the following statement true (T) or false (F)