Discussion :: Building Materials - Section 4 (Q.No.48)
| 48. | Invar contains |
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Answer: Option D Explanation: No answer description available for this question.
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| Aruna Jain said: (Mar 21, 2014) | |
| Invar contains 36% ni+2 & 64% alloy of steel. | |
| Vicky said: (Aug 2, 2016) | |
| Invar steel is used for precision levelling staffs. | |
| Shovon said: (May 10, 2018) | |
| It is 64% Fe + 36% Ni. | |
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