Question

tin/lead solder for automotive applications consists of approximately what percentage of tin to lead? select one: a. 80% tin to 20% lead b. 60% tin to 40% lead c. 20% tin to 80% lead d. none of the answers listed

Explanation:

Step1: Recall solder composition knowledge

In automotive - applications, a common tin/lead solder composition is 60% tin and 40% lead. This composition provides good soldering properties such as melting point and wetting ability.

Answer:

B. 60% tin to 40% lead