10. Name each welding position described:
A. Is the most costly position with regard to metal
deposition.
B. In this position, sagging can result when heat
rises.
C. Undercut can be a major problem in this
position.
D. This position has few problems with porosity.
11. How can full penetration (and strength) be achieved
with a butt weld?
12. When two pieces of metal do not line up, they have
a condition that is called _____.
13. What is transverse shrinkage?
14. Why is less shrinkage involved in double-groove
welds than in single-groove welds?
15. Two cylindrical parts which may be fitted together
by heating and shrinking produce a(n) _____ type
joint.
16. What is the rule of thumb for fillet weld lengths?
17. How can lack of penetration at the joint intersection
of fillet welds be prevented?
18. Which type of weld should not be used in structural
assemblies?
19. Explain how preheating and postheating are used.
20. How is heat removed during the welding operation?
60 Flux Cored Arc Welding Handbook