round1

Front

Why is lead-free solder mandated in many commercial electronics manufacturing processes?

Back

Environmental and health regulations.

Front

What's the recommended way to hold a soldering iron?

Back

Like a pencil, holding the handle only.

Front

Why should you avoid breathing soldering fumes?

Back

They can contain harmful chemicals.

Front

What is flux?

Back

A chemical that helps solder flow and bond properly.

Front

What does 'tinning' a soldering iron tip mean?

Back

Coating it with a thin layer of solder.

Front

What are the benefits of using lead-free solder?

Back

Safer for health and environment, complies with regulations.

Front

What is the purpose of solder in electronics?

Back

To create electrical connections between components.

Front

What safety equipment should be used when soldering?

Back

Safety glasses and a fume extractor.

Front

What is the ideal temperature for soldering?

Back

Typically between 350°C to 400°C (662°F to 752°F).

Front

What is the difference between rosin core and lead-free solder?

Back

Rosin core solder contains flux within the solder, while lead-free solder does not.