DE: Unit 1 Review

Front

What is the composition of 60/40 solder used for electronics?

Back

60% tin and 40% lead

Front

What is the purpose of tinning a soldering iron tip?

Back

To allow for the transfer of heat to the work piece

Front

What are the characteristics of a good solder joint?

Back

Smooth, bright, and shiny

Front

What is the purpose of a solder wick in the de-soldering process?

Back

To draw the excess solder off of the PCB pad

Front

What safety measure should be taken when soldering?

Back

Tie back long hair and remove loose clothing

Front

What should be done with the soldering iron when not in use?

Back

Place it in an approved holder.

Front

What should be done before beginning the soldering process?

Back

Secure the components to be soldered

Front

What should be done with the power cord of the soldering iron if it has burned or melted sections?

Back

Label it DO NOT USE and ask for repair or replacement.

Front

What should be done after handling solder?

Back

Thoroughly wash your hands.

Front

What is the function of a transistor in electronic equipment?

Back

Control the flow of electricity