HomeEveryday Science MCQsHeat exchanger tubes are never made of: 881. Heat exchanger tubes are never made of:By Admin / September 17, 2025 A. Plain Carbon Steel B. Stainless Steel C. Lead D. Copper ✅ The correct answer is option C.
1. Which of the following does not pollute the air? Leave a Comment / Everyday Science MCQs / By Admin
2. Which of the following planets have the longest day? Leave a Comment / Everyday Science MCQs / By Admin