soldering Flashcards
1
Q
— for electronics use contains tiny core of flux
A
solder
2
Q
—- transfers thermal enerfy from heater to the solder connection
A
soldering tip
3
Q
what is required in soldering
A
soldering iron and solder
4
Q
joining of metal by a fusion of alloys which have relatively low melting points
A
soldering
5
Q
what temp does solder melt?
A
190
6
Q
solder does not make a good contact with thr component lead or printed board pad
A
sold solder joint
7
Q
—– the base metal is copper or alloy for thermal conductivity
A
soldering tip
8
Q
a mixture of tin and lead
A
solder
9
Q
the heat source used to melt solder
A
soldering irons
10
Q
what is the watt range of a soldering iron
A
20- 40 w
11
Q
used so that the equipments are not damaged from the heat of the solder
A
heat sink
12
Q
percentage of the mixture of lead
A
60% tin and 40% lead
