ARE Study Review

What is tern plate, which is sometimes used for roofing and flashing, made of?

Traditionally made of cast iron, steel or concrete, manhole covers can also be made of fiberglass-reinforced plastic, which offers corrosion resistance. Why are manhole covers round?

Commonly used materials to weld include all except: A. copper, B. stainless steel C. polyvinylchloride, D. aluminum E. zinc, F. cast iron

Which of the following statements are most true about oil canning? Choose 3 A. it reflects a structural problem in metal surfacing, B. it is an aesthetic problem and should be disregarded, C. reduce panel widths to avoid this, D. increase material gage to avoid this, E. use lighter, neutral colors to minimize its perception, F. closer spacing of panels will prevent excessive movement

On a roof with copper flashing secured by galvanized steel nails, which metal will corrode the more anodic metal over time as the roof is exposed to rain water? A. copper flashing B. galvanized nails C. neither, the metals are not dissimilar D. both will equally corrode in contact Answer A. copper flashing, more noble and cathodic, will corrode the galvanized nails as electrolytic rainwater is introduced. Contact between 2 metals at different ends of the galvanic scale should be avoided, or non-conductive coatings or materials could separate them. ARE 4.0 exam prep: BDCS Resource tip: Read about galvanic action at archtoolbox.com

Which of the following are considered nonferrous metals? A. Copper B. Weathering steel C. Low-carbon steel D. Aluminum E. Lead F. Cast Iron Answer A/D/E. Nonferrous metals do not contain iron. ARE 4.0 exam prep: BDCS

Soldering uses lead- or tin-based alloy solder filler to join two metals.  The solder filler metal melts below what temperature? Answer below 500 degrees fahrenheit or 260 degrees celsius. ARE 4.0 exam prep: BDCS