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

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1.	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
A.	- 0.000909 m
B.	+ 0.0909 m
C.	0.000909 m
D.	none of these
Answer» B. + 0.0909 m

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