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The temperature during measurement was 52°C which is 32°C higher than the standard temperature of 20°C. The correction for temperature variation is: Ct = αL(Ta - Ts) Where, α = Coefficient of thermal expansion of tape = 11.6x10-6/°C L = Length of line measured = 412 m Ta = Actual temperature during measurement = 52°C Ts = Standard temperature = 20°C Ct = 11.6x10-6 x 412 x (52 - 20) = 0.2424 m Correct length = Measured length + Correction = 412 m + 0.2424 m = 412.24

Author

P l u v i o

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EN