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In a tensile test, the starting gage length = 100 mm and the cross-sectional area = 150 mm^2. During testing, the following force and gage length data are collected: (1) 17,790 N at 100.2 mm, (2) 23,040N at103.5 mm, (3) 27,370 N at 110.5 mm, (4) 28910 N at 122.0 mm, (5) 27,480 N at 130.0 mm, (6) 20.460 N at 135.1 mm. The final data point (6) occurred immediately prior to failu. Yielding occurred at a load of 19,390 N (0.2% offset value), and the maximum load (4) was 28,960 N. (a) Plot the engineering stress strain curve. Determine the yield strength, modulus of elasticity, tensile strength, and percent elongation. Also determine the strength coefficient and the strain-hardening exponent in the flow curve equation.
two wires have the same length and the same resistance. one is made from gold and the other from tungsten. obtain the
A new cast iron pipe is 5 km long and 15 mm diameter is used to convey water at a rate of 0.0150m3s-1. Given the absolute roughness of the pipe is 0.26 mm, density of water is 998 kg/m3 and dynamic viscosity of water is 1.14 × 10-3 kgm 1s-1.
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A plane can fly 299 mph in still air. If it can fly 180 miles downwind in the same amount of time it can fly 119 miles upwind, find the velocity of the wind.
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a feed rate of 200gpm of a hydrocarbon mixture at 70c is being pumped from tank at 1 atm abs pressure to a distillation
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