The purpose of a roof vent is to _____.
a. allow heat and moisture to escape the building
b. allow cold air to enter the building
c. add moisture to the warm air rising from the floors below
d. allow cold air to escape the building to make room for warm air
Answer: A
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The weight of the roof and weather are transferred from the roof to the exterior walls.
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A) Radiant heat B) Specific heat C) Sensible heat D) All forms of heat
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A) Make keyseats on shafts B) Drill holes in metal parts C) Install and remove mandrels, bushings, bearings and shafts D) All of the above
A compressor in a refrigerator converts a freon gas into a liquid.
Answer the following statement true (T) or false (F)