Engineering, 26.03.2021 04:20 jahazielBrainly15006
During the solution treating of steel materials, which of the following statements are true: (a) the rapid cooling aims to create a hard shell of the parts; (b) the quenching could potentially result in metastable martensitic microstructure; (c) the quenching should be carried out in water; (d) the purpose of initially heating up the material to high temperature is to relieve stress sufficiently; (e) the subsequent aging procedure promotes microstructural evolution from metastable phases to more stable phases.
Answers: 3
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If a particle moves along a path such that r : (3 sin t) m and ? : 2t rad, where t is in seconds. what is the particle's acceleration in m/s in 4 seconds? a)- 16.43 b)- 16.29 c)- 15.21 d)- 13.79
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Engineering, 04.07.2019 18:10
Burgers vector is generally parallel to the dislocation line. a)-true b)-false
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Atmospheric air has a temperature (dry bulb) of 80° f and a wet bulb temperature of 60° f when the barometric pressure is 14.696 psia. determine the specific humidity, grains/lb dry air. a. 11.4 c. 55.8 d. 22.5 b. 44.1
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Engineering, 04.07.2019 18:20
Vibration monitoring this technique uses the noise or vibration created by mechanical equipment and in seme cases by plant systems to detemine their actual condtion. a)- true b)- false
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During the solution treating of steel materials, which of the following statements are true: (a) the...
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