Under a pull of 145 N and mean temperature of 14 °C, a line was measured by a tape suspended in catenary. In standard condition, the tape has a pull 95 N at 18 °C. The lengths of various segments of the tape and the difference in level of the two ends of a segment are given in the table below: Length (m) Difference in Bay/Span level (m) 1 29.988 + 0.346 29.895 - 0.214 29.838 + 0.309 4 29.910 - 0.106 Take: Cross-sectional area of the tape = 3.35 mm2 Mass of the tape = 0.025 kg/m Coefficient of linear expansion = 0.9 x 10-6 per °C Young's modulus = 14.8 x 104 MN/m2 Mean height of the line above M.S.L. = 51.76 m Radiur of onrth 6270 km 3.

Under a pull of 145 N and mean temperature of 14 °C, a line was measured by a tape suspended in catenary. In standard condition, the tape has a pull 95 N at 18 °C. The lengths of various segments of the tape and the difference in level of the two ends of a segment are given in the table below: Length (m) Difference in Bay/Span level (m) 1 29.988 + 0.346 29.895 - 0.214 29.838 + 0.309 4 29.910 - 0.106 Take: Cross-sectional area of the tape = 3.35 mm2 Mass of the tape = 0.025 kg/m Coefficient of linear expansion = 0.9 x 10-6 per °C Young's modulus = 14.8 x 104 MN/m2 Mean height of the line above M.S.L. = 51.76 m Radiur of onrth 6270 km 3.

Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)

5th Edition

ISBN:9781305084766

Author:Saeed Moaveni

Publisher:Saeed Moaveni

Chapter7: Length And Length-related Variables In Engineering

Section: Chapter Questions

Problem 42P

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