1.

A steel meter scale is to be ruled so that millimeter intervals are accurate within about `5xx10^(-5)` mm at a certain temperature. The maximum temperature variation allowable during the ruling is (Coefficient of linear expansion of steel `=10xx10^(-6)K^(-1)`)A. `2^(@)C`B. `5^(@)C`C. `7^(@)C`D. `10^(@)C`

Answer» Correct Answer - b


Discussion

No Comment Found

Related InterviewSolutions