A 30 m steel tape was standardised at 20°C measurements of distances were taken as 15°C. If the coefficient of linear expansion of the material of the tape were 0.00, 00112 degree centigrade, then the error, due to temperature, per tape length would be

A 30 m steel tape was standardised at 20°C measurements of distances

1.	A 30 m steel tape was standardised at 20°C measurements of distances were taken as 15°C. If the coefficient of linear expansion of the material of the tape were 0.00, 00112 degree centigrade, then the error, due to temperature, per tape length would be
A.	- 0.00, 00560 m
B.	+ 0.00, 00560 m
C.	+ 0.00, 16800 m
D.	- 0.00, 16800 m
Answer» E.

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A 30 m steel tape was standardised at 20°C measurements of distances were taken as 15°C. If the coefficient of linear expansion of the material of the tape were 0.00, 00112 degree centigrade, then the error, due to temperature, per tape length would be

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