What size should the combustion air openings be for a room with an 80,000 BTU/hr input furnace and a 35,000 BTU/hr water heater if the openings are opening directly into a ventilated attic and a ventilated crawlspace?

What will be an ideal response?


80,000 + 35,000 = 115,000 total input 115,000 / 4,000 = 28.75 square inches each

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Production of CFC refrigerants became illegal on January 1, ____________________.

Fill in the blank(s) with the appropriate word(s).

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The word "Soay" means ____________________

Fill in the blank(s) with correct word

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Ten samples of coal from a Northern Appalachian source had an average mercury content of 0.242 ppm with a standard deviation of 0.031 ppm. Find a 95% confidence for the mean mercury content of coal from this source.

What will be an ideal response?

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The Veterinary Services Division (VSD) of the APHIS (Animal and Plant Health Inspection Service) of the USDA

A. Conducts nationwide state/federal cooperative programs for control and eradication of animal diseases B. Suppresses spread of disease through control of interstate and international movements of livestock C. Keeps informed of the overall animal disease situation nationally and internationally D. Administers regulations to ensure humane treatment of transported livestock and laboratory animals, and licensing of biologics (vaccines, serums) E. All of the above

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