Engineering, 02.03.2021 01:30 JS28boss
A material is required for a low cost column with a circular cross section that must support a load FCrit without buckling. If the height of the column is L, derive an expression for the material cost of the column in terms of its dimensions, the price per kg of the material, Cm, and the material density. The cross sectional area, A is a free variable that must satisfy the constraint that the load must not be less than Fcrit. Find three possible candidate materials.
Answers: 3
Engineering, 03.07.2019 15:10
Two flowing streams of argon gas are adiabatically mixed to form a single flow/stream. one stream is 1.5 kg/s at 400 kpa and 200 c while the second stream is 2kg/s at 500 kpa and 100 ? . it is stated that the exit state of the mixed single flow of argon gas is 150 c and 300 kpa. assuming there is no work output or input during the mixing process, does this process violate either the first or the second law or both? explain and state all your assumptions.
Answers: 1
Engineering, 04.07.2019 18:10
The mass flow rate of the fluid remains constant in all steady flow process. a)- true b)- false
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Engineering, 04.07.2019 18:10
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Engineering, 04.07.2019 18:20
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A material is required for a low cost column with a circular cross section that must support a load...
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