Vectronics VEC-1500K - Manual (Page 44)

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VECTRONICS SOLDERING COURSE QUIZZES
These quizzes are designed to reinforce the material you've read in each lesson.
Use them as a study aid. If you have difficulty answering two or more quiz
questions, we recommend returning to the lesson for a second pass.
Lesson 1 Solder Alloys and Wire
1. Solder provides a (strong/flexible) ___________ mechanical joint and a
(low/high) __________ resistance electrical path.
2. The three "states" of solder are _____________, _____________, and
__________.
3. Which solder alloy is more able to "wet" metals and bridge short gaps? (A.)
60/40, (B.) 40/60, (C.) 63/37, (D.) 2% silver. [ ]
4. Which solder alloy is most recommended for miniature electronics?
(A.) 60/40, (B.) 40/60, (C.) 63/37, (D.) 2% silver. [ ]
5. Solder with a narrow plastic temperature range is called ____________
solder.
6. Which solder has the narrower plastic temperature range? (A.) 60/40, (B.)
40/60, (C.) 63/37, (D.) 2% silver. [ ]
7. Which type of solder is least toxic? (A.) Low-temp, (B.) 2% silver, (C.)
Lead-free, (D.) 60/40. [ ]
8. When selecting a solder wire gauge, manufacturers recommend using the
(largest/smallest) _____________wire size with the (highest/lowest)
_____________ flux percentage practical to ensure good iron tinning and
adequate flux delivery.
9. For general bench work, which wire-size is a good choice? (A.) .015",
(B.) .031", (C.) .093", (D.) .125". [ ]
10. Which solder core will deliver the most amount of flux? (A.) 3.3%, (B.)
No. 56, (C.) small, (D.) No. 50. [ ]