Comfort is normally associated with the air properties of _____.
a. temperature and dew point
b. temperature and enthalpy
c. temperature and relative humidity
d. dew point and relative humidity
c. temperature and relative humidity
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Calculate the paint thickness if 2 gallons of paint covers a wall 10 feet high by 30 feet long. Use appropriate units.
What will be an ideal response?
Consider laminar flow in a circular tube. Will the friction factor be higher near the inlet of the tube or near the exit? Why? What would your response be if the flow were turbulent?
What will be an ideal response?
A piping drawing that shows both the side view and the top view of a piping system is a(n) _____ drawing.
a. elevation b. isometric c. plan d. double-line
Why should the technician check the furnace door safety switch after installation?
A) to check the furnace interior for defects in the outgoing vents B) to prevent the furnace from operating with the door removed C) to test for furnace flashback D) to sync it with the indoor blower