For a building located in Detroit, Michigan with annual heating degree-days (dd) of 6232 and a heating load (heat loss) of 52,000 Btu/h and a design temperature difference of 73°F (68°F indoor and -5°F outdoor), estimate the annual energy consumption. If the building is heated with a furnace with an efficiency of 92%, how much gas is burned to keep the home at 68°F. State your assumptions.
What will be an ideal response?
Assuming a heating value of 1000 Btu/ft3 for natural gas
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A strap footing is generally used where
A) the soil has low bearing capacity. B) the columns in the building abut the property line. C) the columns in the buildings are closely spaced. D) the soil is expansive. E) none of the above.
What are some drawbacks of adding more antifreeze than needed to prevent freezing in the chilled water piping system?
What will be an ideal response?
Determine the forces in all bars of the trusses. Indicate tension or compression.
Which of the following should be checked before returning the vehicle to the customer?
A) The vehicle is clean B) The radio is turned off C) The radio presets and clock have been restored D) All of these are correct