3. A 30 m steel tape is 2 mm too long at 20°C with a pull of 55 N. A rectangle is measured with this tape. The sides are recorded as 144.95 m and 113.00 m. The average temperature during the measurement is 30°C with a pull of 55 N. Use coefficient of expansion of steel tape as a 0.0000116 m /°C. a) Compute the actual length of tape during measurement. b) What is the true area? c) What is the error in area in sq.m.
3. A 30 m steel tape is 2 mm too long at 20°C with a pull of 55 N. A rectangle is measured with this tape. The sides are recorded as 144.95 m and 113.00 m. The average temperature during the measurement is 30°C with a pull of 55 N. Use coefficient of expansion of steel tape as a 0.0000116 m /°C. a) Compute the actual length of tape during measurement. b) What is the true area? c) What is the error in area in sq.m.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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