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

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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

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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.

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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)

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