Engineering, 17.02.2020 17:59 aubrey1161
Two rectangular sedimentation basins, each 15 m feet long, 4 m wide and 3 m deep, settle 4200 m3 /d in a primary system. The effluent weir length is 18 m. Calculate (a) the detention time, (b) the overflow rate, (c) the critical settling velocity, and (d) the flow rate over the effluent weir
Answers: 3
Engineering, 04.07.2019 18:10
Carbon dioxide gas expands isotherm a turbine from 1 mpa, 500 k at 200 kpa. assuming the ideal gas model and neglecting the kinetic and potential energies, determine the change in entropy, heat transfer and work for each kilogram of co2.
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Engineering, 04.07.2019 18:10
True or false (explain) (110)[111] is a slip system in bcc metals . the {111} family in fcc contains 8 planes. resolved shear stress (rss) in single crystals is just related to the applied stress. critical resolved shear stress (crss) in single crystal metals is direct proportional to the number of defects in the structure
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Engineering, 04.07.2019 18:10
Aturning operation is performed with following conditions: rake angle of 12°, a feed of 0.35 mm/rev, and a depth of cut of 1.1 mm. the work piece is aluminum alloy 6061 with t6 heat treatment (a16061-t6). the resultant chip thickness was measured to be 1.0 mm. estimate the cutting force, fc. use shear stress of 207 mpa and coefficient of friction on the tool face of 0.6.
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Engineering, 04.07.2019 19:20
Brief discuss how the presence of dislocations in crystal structures can be an advantage and a disadvantage to engineer and designers.
Answers: 3
Two rectangular sedimentation basins, each 15 m feet long, 4 m wide and 3 m deep, settle 4200 m3 /d...
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