____ solders are most commonly used on electrical connections, air-conditioning and refrigeration drain piping, and for architectural accents where good corrosion resistance is needed. They must never be used for water piping.
A) Tin-antimony-lead
B) Cadmium-silver
C) Tin-lead
D) Tin-antimony

Question

Quizplus · Accepted Answer

Tin-lead solders are commonly used for electrical connections, air-conditioning and refrigeration drain piping, and architectural accents because of their good corrosion resistance. However, they should never be used for water piping due to the potential for lead leaching into the water.

____ Solders Are Most Commonly Used on Electrical Connections, Air-Conditioning