H.W: To measure a base line, a steel tape 30 m long standardized at 15 C under a pull of 10 Kg was used. Find the correction per tape length if the field temperature was 20 C and the pull exerted was 16 Kg. The tape section area was 0.03419 cm2. Weight of the tape was 0.8 Kg, E = 2.1 x 106 Kg/cm² and coefficient of thermal expansion was 7.1 x 10-6/10

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Pressure and Stress