Q. Which variety of steel may be expected to have lowest value of thermal conductivity? (Solved)
1. High carbon steel (0.83% C)
2. Low nickel steel (1.37% Ni)
3. Low chromium steel (0.46% Cr)
4. High chromium steel (0.26% Cr)
5. Chromium nickel steel (9% Ni, 18% Cr)
- e. Chromium nickel steel (9% Ni, 18% Cr)