Asphalt shingles are provided with a self-sealing adhesive line along the entire length of a shingle and about half-way through its width, which bonds the overlying shingle with the shingles immediately below. In addition to the adhesive line, what other form anchorage is providing in an asphalt shingle roof?
What will be an ideal response?
Each shingle is nailed to roof sheathing. The nails are covered by the shingle immediately above.
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Corrosive wastes have a pH level lower than _____ or higher than _____.
A. 1, 10.6 B. 2, 13.5 C. 2, 12.5 D. 4, 10
Thru-beam sensing may be used over distances up to ____ feet.
A. 10 B. 100 C. 250 D. 700
When installing nonmetallic-sheathed cable through wood wall studs and floor joists, the cable must be installed at least ____ inch(es) from the nearest edge.
A. 1/2 B. 3/4 C. 1 D. 1 1/4
The overrunning clutch accomplishes which of the following?
A) Brings the starter motor into contact with the ignition circuit B) Separates the starter motor from the starter solenoid C) Protects the starter motor from spinning too rapidly D) Lets the starter motor rotate in either direction