Solder Study Guide questions with
answers graded A+
What is the definition of an IPC J-STD-001, Class 3 product? - correct answer ✔✔A Class 3
product requires performance-on-demand, the end-use environment may be uncommonly
harsh and the equipment must function when required.
What is the proper preparation and safe maintenance of the soldering iron? (an all above
answer) - correct answer ✔✔- The soldering iron should be checked
to ensure the tip is fully inserted and
there is no damage.
- Solder should be applied to the tip when
the iron is not in use to prevent tip
oxidation.
- Ensure iron tip is the correct size for
connection to be soldered.
- Check and verify that the ESD Protection
date on the power supply and the iron has
not expired
DO NOT heat solder above - correct answer ✔✔850°F - Overheated solder can release lead
fumes
What type of maintenance is required at work stations? - correct answer ✔✔- Work surfaces
must be uncluttered, organized, & free of Foreign
Object Debris (FOD), such as lead clippings, solder balls, contamination, etc.
, When ESD protection is required: - correct answer ✔✔- Verify ESD labels on benches, monitors
and ionizers.
- Report expired or missing labels immediately.
- Follow all SD requirements.
Electronic Safe Static Work Station (SSWS) & Solder Irons - correct answer ✔✔Always check the
label to be sure:
- the date is current
- there is a procedure number
- the information is legible
Always Follow Steps In Process Instructions - correct answer ✔✔Do not go out of sequence
unless specifically documented in the process instructions
What is the heat bridge technique used during the hand soldering process? - correct answer
✔✔- When solder is applied at the junction of the iron tip and the area to be soldered.
- The heat bridge allows for proper heat transfer to the connection.
What is the most important characteristic of an acceptable solder connection? - correct answer
✔✔good wetting
What is the purpose of flux? (an all of the above answer) - correct answer ✔✔- Flux contained
within the solder core melts at a temperature lower than solder
- Flux removes oxides and other surface film on the work piece
- Flux promotes heat transfer and reduces surface tension
- Flux shall be compatible from a cleaning process standpoint and a chemical standpoint
answers graded A+
What is the definition of an IPC J-STD-001, Class 3 product? - correct answer ✔✔A Class 3
product requires performance-on-demand, the end-use environment may be uncommonly
harsh and the equipment must function when required.
What is the proper preparation and safe maintenance of the soldering iron? (an all above
answer) - correct answer ✔✔- The soldering iron should be checked
to ensure the tip is fully inserted and
there is no damage.
- Solder should be applied to the tip when
the iron is not in use to prevent tip
oxidation.
- Ensure iron tip is the correct size for
connection to be soldered.
- Check and verify that the ESD Protection
date on the power supply and the iron has
not expired
DO NOT heat solder above - correct answer ✔✔850°F - Overheated solder can release lead
fumes
What type of maintenance is required at work stations? - correct answer ✔✔- Work surfaces
must be uncluttered, organized, & free of Foreign
Object Debris (FOD), such as lead clippings, solder balls, contamination, etc.
, When ESD protection is required: - correct answer ✔✔- Verify ESD labels on benches, monitors
and ionizers.
- Report expired or missing labels immediately.
- Follow all SD requirements.
Electronic Safe Static Work Station (SSWS) & Solder Irons - correct answer ✔✔Always check the
label to be sure:
- the date is current
- there is a procedure number
- the information is legible
Always Follow Steps In Process Instructions - correct answer ✔✔Do not go out of sequence
unless specifically documented in the process instructions
What is the heat bridge technique used during the hand soldering process? - correct answer
✔✔- When solder is applied at the junction of the iron tip and the area to be soldered.
- The heat bridge allows for proper heat transfer to the connection.
What is the most important characteristic of an acceptable solder connection? - correct answer
✔✔good wetting
What is the purpose of flux? (an all of the above answer) - correct answer ✔✔- Flux contained
within the solder core melts at a temperature lower than solder
- Flux removes oxides and other surface film on the work piece
- Flux promotes heat transfer and reduces surface tension
- Flux shall be compatible from a cleaning process standpoint and a chemical standpoint
