A standard steel tape of length 30 m and cross-section 15 x 1.0 mm was standardi

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A standard steel tape of length 30 m and cross-section 15 x 1.0 mm was standardised at 25�C and at 30 kg pull. While measuring a base line at the same temperature, the pull applied was 40 kg. If the modulus of elasticity of steel tape is 2.2 x 10⁶ kg/cm², the correction to be applied is
Options
A. - 0.000909 m
B. + 0.0909 m
C. 0.000909 m
D. none of these

Correct Answer

- 0.000909 m

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