Engineering, 01.11.2019 06:31, nano792001
Q4. (20 points) for a bronze alloy, the stress at which plastic deformation begins is 271 mpa and the modulus of elasticity is 119 gpa. (a) what is the maximum load that may be applied to a specimen having a cross-sectional area of 320 mm2 without plastic deformation? (b) if the original specimen length is 131 mm, what is the maximum length to which it may be stretched without causing plastic deformation?
Answers: 3
Engineering, 04.07.2019 18:10, oshawn108
Ahot wire operates at a temperature of 200°c while the air temperature is 20°c. the hot wire element is a tungsten wire of 5 um diameter and 2 mm in length. plot using excel current, heat transfer and heat generated by the wire for air velocity varying from 1-10 m/s in steps of lm/s? matlab the sensor voltage output, resistance, or assume nu 0.989 re033pr13 take air properties at tr (200°c20°c)/2 = 110°c properties of tungsten: c 0.13 kj/kg. k 3 p 19250 kg/m k (thermal conductivity) = 174 w/m. k
Answers: 2
Engineering, 04.07.2019 19:10, jimena15
10 kg of co2 is initially contained at 400 kpa and 300 k. the gas constant for carbon dioxide is 189 j/lkg k) and has a specific heat ratio, k, of 1.289. isentropic expansion then occurs until the pressure is 200 kpa. a) determine the initial volume of co2 in m. b) determine the final temperature in k. c) determine the work done by the system during the expansion kl.
Answers: 2
Q4. (20 points) for a bronze alloy, the stress at which plastic deformation begins is 271 mpa and th...
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