A tape 30 m long, 0.6 cm wide and 0.5 mm thick was used to measure a distance of -1000 m at a temperature of 20°C with 120N tension force, mass of tape is 0.7 kg, determine coefficient of thermal expansion of a tape, if: X=? Po Standard tension = 50N Modulus of elasticity (E) = 210 kN/mm² Standard temperature 35 °C Correct measured distance = 999.75 m

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Asphalt Binders and Mixtures

Asphalt binders are subsidiary products procured during the refining process of petroleum while manufacturing gasoline, diesel, and similar petroleum products. Asphalt binders are obtained from the residue that remains after the distillation of petroleum, this residue is further subjected to steam distillation and oxidation to remove the traces of gas oil present in the residue. Certain additives or modifiers are also added to asphalt binders to alter them to suit different applications.