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| Q. |
What is the order of elastic modulus for Nickel alloys, Lead alloys, Molybdenum alloys, alumina? |
| A. | pb < mo < ni < al2o3 |
| B. | ni < pb < mo < al2o3 |
| C. | pb < ni < mo < al2o3 |
| D. | pb < ni < al2o3 < mo |
| Answer» C. pb < ni < mo < al2o3 | |
| Explanation: lowest elastic modulus is of lead and its alloys of 14-18 gpa. ni and mo alloys have elastic modulus of 180-214 and 330-360 gpa respectively. al2o3 has highest e among the four of 415 gpa. | |
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