Elenco
®
Electronics, Inc.
150 Carpenter Avenue • Wheeling, IL 60090
Phone: (847) 541-3800 • Fax: (847) 520-0085
Web site: www.elenco.com • e-mail: [email protected]
1. Solder is comprised of what two materials?
A. Gold and copper
B. Tin and lead
C. Zinc and copper
D. Lead and aluminum
2. What type of flux should be used in electronics?
A. Chloride
B. Organic
C. Rosin
D. Corrosive
3. When working on PC boards, what wattage range
of iron is ideal?
A. 15-40 watts
B. 50-100 watts
C. 1-10 watts
D. 100-200 watts
4. Tinning the soldering tip will prevent it from . . .
A. heating.
B. melting.
C. soldering.
D. oxidizing.
5. Proper solder adhesion requires that the metal
surface to be . . .
A. solder free.
B. clean.
C. greasy.
D. cold.
6. Solder wick is used to . . .
A. remove solder.
B. solder in small parts.
C. cleaning the soldering iron tip.
D. removing flux.
7. A cold solder joint is caused by . . .
A. a solder bridge.
B. using 60/40 solder.
C. insufficient heat.
D. acid core solder.
8. When two adjacent foils accidentally touch, it is
called . . .
A. a jumper.
B. a blob.
C. a solder hole.
D. a solder bridge.
9. What ratio has the greatest amount of tin?
A. 20/60
B. 40/60
C. 50/50
D. 60/40
10. A good solder connection should be . . .
A. dull and rough.
B. shiny, bright and smooth.
C. lumped around the connection.
D. soldered on one side of the connection.
QUIZ
Answ
ers:
1. B
, 2.
C, 3.
A, 4. D
, 5.
B, 6.
A, 7. C
, 8.
D, 9.
D, 10.
B