Construction Basics and Environmental Issues & Property Concerns Flashcards
Roof rafters are ____________ in orientation and establish the pitch or the ____________ of the roof.
Diagonal, Slope
What are the vertical wooden columns (usually 2x4) inside the walls and is part of the house frame?
Studs
The slope or angle of the roof is the _____________.
Pitch
Circuit breakers and ____________ both serve the same function. They are over-current protection devices.
Fuses
What is nailed on the outside of wall studs or roof rafters to begin to weatherproof the house? What is it often made out of?
Sheathing. Plywood or OSB
“A” for Amps, “A” for the ____________ of current available in a structure.
Amount
What is the minimum amperage for new construction in NYS?
100 A
“Voltage” is the ____________ or ____________ of the current in a particular electrical circuit.
Force, Pressure
What is the standard voltage in the United States?
110 V
The lower part of the roof which includes the soffit and fascia is called the ____________ or ____________.
Overhang, Eaves
Bent pieces of flexible metal (often aluminum) that serve to waterproof a house and cover cracks are called ____________.
Flashing
You would call a BTU, British Thermal Unit, a measure of ____________.
Heat Energy
What is the name of the refrigerant that leak out of air conditioners and was destroying the ozone layer of the atmosphere, the layer that protects us from the ultra-violet rays of the sun which give us skin cancer?
CFCs (Chloro-fluoro-carbons), Freon
What is the law that regulates CFC’s (Freon)? What does it set limits on?
Clean Air Act. Sets limits on pollutants in the air.
What are liquids used to cool power plans that can seep into soil or groundwater that were banned in 1979 because they were found to cause cancer?
PCBs