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91. Calculate the temperature error in a 76-ft measurement with a steel surveyors tape at -10 F when the tape is accurate at
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Answer #1

Temperature error =L(1 + alt2 – t1)

L = length 76ft = 23.165m

a = thermal coefficient of expansion of steel surveyor tape 11.6e 10^-6

T1 = -10 F

T2 = 60 F

Temperature error = 23.165 ( 1+11.6e 10^-6( 60+10))

= 23.216m

error = 23.216 - 23.165

Error =0.051m or 0.167 feet

I hope it will help you

  

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