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2-20. Turret, fork, and hook terminals are
examples of what type of termination?
1. Off-set
2. On-the-board
3. Above-the-board
4. Through-the-board
2-21. When a lead is soldered to a pad without
passing it through the board, what type of
termination has been made?
1. Lap-flow
2. Off-set pad
3. Clinched lead
4. Straight-through lead
2-22. Most damage to printed circuit boards
occurs at which of the following times?
1. During trouble shooting
2. During component removal
3. During component replacement
4. During normal system operations
2-23. Of the solder removal methods listed
below, which one is most versatile and
reliable?
1. Wicking
2. Heat and shake
3. Motorized solder extractor
4. Manually controlled vacuum plunge
2-24. When removing solder with a solder wick,
where should the wick be placed in
relation to the solder joint and the iron?
1. Below both the joint and the iron
2. Between the joint and the iron
3. Above the joint and the iron
2-25. The motorized solder extractor may be
operated in three different modes. Which
of the following is NOT one of those
modes?
1. Hot-air jet
2. One-shot vacuum
3. Heat and vacuum
4. Heat and pressure
2-26. Stirring the lead during desoldering
prevents which of the following unwanted
results?
1. Sweat joints
2. Overheating
3. Cold solder joints
4. Pad delamination
2-27. Of the following solder removal methods,
which one is acceptable for removing
solder?
1. Hot-air jet
2. Heat and pull
3. Heat and shake
4. Heat and squeeze
2-28. Which of the following examples
represents properly formed leads?