10
Tin free steel refers to
EXPLANATION
Metal Cans & Corrugated Fibreboard
- Tin-Free Steel (TFS):
- Tin-Free Steel (also called Electrolytic Chromium Coated Steel or ECCS) is a cost-effective alternative to tinplate developed due to the high cost and scarcity of tin.
- It consists of a cold-reduced low-carbon steel base sheet coated electrolytically on both sides with an ultra-thin layer of metallic chromium ($5-20\text{ mg/m}^2$) and hydrated chromium oxide ($5-15\text{ mg/m}^2$).
- TFS offers excellent lacquer adhesion and heat resistance, widely used for can ends, crown caps, and two-piece drawn cans.
- Correct Option: Option 3 (Chromium coated steel).
Explanation not matching this question?
क्या व्याख्या इस प्रश्न से मेल नहीं खा रही?
Report
Want to practice this paper in exam conditions?
क्या आप परीक्षा जैसे माहौल में अभ्यास करना चाहते हैं?
Test yourself in 5-question batch format with timer and hidden answers.
5-प्रश्नों के बैच फॉर्मैट, टाइमर और छिपे उत्तरों के साथ खुद को परखें।
Start Practice Mode →
प्रैक्टिस टेस्ट मोड शुरू करें →