Discussion :: Building Materials - Section 3 (Q.No.27)
The type of steel used for precision levelling staff, is
Answer: Option C
No answer description available for this question.
|Peter Parker said: (May 14, 2013)|
|Invar has less expasion property due to change in temperature.|
|Inayat Ullah Khan said: (Feb 4, 2021)|
|Due to low coefficient of thermal expansion, it is mostly used for precision levelling staff.|
Post your comments here:
Email : (optional)
» Your comments will be displayed only after manual approval.