| Q.31 | Designation X20Cr18Ni2 indicates___________________________________ | |
| Ans | 1. High alloy Steel with avg. carbon content of 2.0 %, 18 % chromium & 2% Nickel | |
| 2. None of the options | ||
| 3. High alloy Steel with avg. carbon content of 2.0 %, 1.8 % chromium & 0.2% Nickel | ||
| 4. High alloy Steel with avg. carbon content of 0.2 % , 18% chromium & 2% Nickel |
Correct Ans Provided: 4