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A 25m steel tape, standardized throughout a tension of 10kg was found to be 25.05m long at 250C. The tape has a cross sectional area of 0.08 cm2, weight of 0.06 kg/m, thermal coefficient of 0.0000116 and modulus of elasticity (E) of 2044000 kg/cm2. This tape was held horizontal supported at the ends only with a constant tension of 12.5kg to measure a line A-B in three segments, as listed in table Section Measured distance (m) Temp 25 25 25 A-1 20 1-2 18 2-B 20 Apply correction for tape length to determine correct length? Note: you can use the following equations: C = (1-r) L/r Cp = (P-P) L/ (AE) Cr = k(T;- T)L Cs = -w? Ls /(24P?) Select one: O a. None O b. 74.101 O c. 75.101 O d. 76.101

A 25m steel tape, standardized throughout a tension of 10kg was found to be 25.05m long at 250C. The tape has a cross sectional area of 0.08 cm2, weight of 0.06 kg/m, thermal coefficient of 0.0000116 and modulus of elasticity (E) of 2044000 kg/cm2. This tape was held horizontal supported at the ends only with a constant tension of 12.5kg to measure a line A-B in three segments, as listed in table Section Measured distance (m) Temp 25 25 25 A-1 20 1-2 18 2-B 20 Apply correction for tape length to determine correct length? Note: you can use the following equations: C = (1-r) L/r Cp = (P-P) L/ (AE) Cr = k(T;- T)L Cs = -w? Ls /(24P?) Select one: O a. None O b. 74.101 O c. 75.101 O d. 76.101

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A 25m steel tape, standardized throughout a tension of 10kg was found to be 25.05m long at 250C. The tape has a cross sectional area of 0.08 cm2, weight of 0.06 kg/m, thermal coefficient of 0.0000116 and modulus of elasticity (E) of 2044000 kg/cm2. This tape was held horizontal supported at the ends only with a constant tension of 12.5kg to measure a line A-B in three segments, as listed in table Section Measured distance (m) Temp. A- 1 25 20 25 25 1-2 18 2-B 20 Apply correction for tape length to determine correct length? Note: you can use the following equations: C = (1-1) L/I Cp = (Pr-P) L/ (AE) Cr = k(T,- T) L Cs = -w? Ls /(24P?) Select one: O a. None Оь.74.101 O c. 75.101 O d. 76.101
Transcribed Image Text:A 25m steel tape, standardized throughout a tension of 10kg was found to be 25.05m long at 250C. The tape has a cross sectional area of 0.08 cm2, weight of 0.06 kg/m, thermal coefficient of 0.0000116 and modulus of elasticity (E) of 2044000 kg/cm2. This tape was held horizontal supported at the ends only with a constant tension of 12.5kg to measure a line A-B in three segments, as listed in table Section Measured distance (m) Temp. A- 1 25 20 25 25 1-2 18 2-B 20 Apply correction for tape length to determine correct length? Note: you can use the following equations: C = (1-1) L/I Cp = (Pr-P) L/ (AE) Cr = k(T,- T) L Cs = -w? Ls /(24P?) Select one: O a. None Оь.74.101 O c. 75.101 O d. 76.101
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