To calculate the CFM required to provide a given number of air changes in a building, you need:
A) Floor area, ceiling height, and fan horsepower.
B) The floor area and ceiling height.
C) A psychrometric chart and an enthalpy chart.
D) The floor area, ceiling height, and an enthalpy chart.
B
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Engine mounts provide a solid non-moving connection between the engine and the frame of the vehicle.
Answer the following statement true (T) or false (F)
What type of wrench would be used if the wrench must totally surround the nut?
A. open-end B. box-end C. flare nut D. torque
The following is an integral part of any set of construction drawings.
A. sections, elevations, details B. mechanical, plumbing, electrical C. equipment, duct, grilles D. heating and cooling loads
The main duties of the U.S. Department of Homeland Security include
A. preventing terrorist attacks within the United States B. reducing the vulnerability of the United States to terrorism C. minimizing the damage and assisting in the recovery from terrorist attacks in the United States D. all of the above