2.What is the purpose of flux in welding?
3. List 20 parts you have seen that are welded. Indicate which welding process is the most appropriate for each.
4. What types of processes would be best suited for joining the following items? Indicate why.
a) two 12” dia. plastic pipes.
b) two 12” dia. steel pipes.
c) the sides of a plastic bag for potato chips.
d) two aluminum plates along one edge.
e) an aluminum and steel plate into a laminated plate.
f) steel muffler pipes.
5. What are the primary differences between welding soldering and gluing?
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