tin/lead solder for automotive applications consists of approximately _______ and melts at approximately…

tin/lead solder for automotive applications consists of approximately _______ and melts at approximately 370°f.\nselect one:\n○ a. 40% tin and 60% lead\n○ b. 50% tin and 50% lead\n○ c 30% tin and 70% lead\n○ d. 60% tin and 40% lead
Answer
Brief Explanations:
Tin - lead solders for automotive applications with a melting point around 370°F typically have a composition of 60% tin and 40% lead. This is a well - known composition in materials science for such solders.
Answer:
D. 60% tin and 40% lead