Question
Which of the following is a danger from lead-tin solder?
Answer Options
- A) Lead can contaminate food if hands are not washed carefully after handling the solder
- B) High voltages can cause lead-tin solder to disintegrate suddenly
- C) Tin in the solder can “cold flow,” causing shorts in the circuit
- D) RF energy can convert the lead into a poisonous gas
Correct Answer: A
Explanation
Lead-tin solder contains lead, which is a toxic heavy metal. When handling lead-based solder, the primary danger to the operator is accidental ingestion, which can occur through contamination.
The danger is that Lead can contaminate food if hands are not washed carefully after handling the solder. Since lead is easily transferred from the hands to surfaces, meticulous hygiene (especially hand washing before eating or drinking) is necessary to avoid lead poisoning.
This topic was automatically created to facilitate community discussion about this exam question. Feel free to share study tips, memory tricks, or additional explanations!