MCQOPTIONS
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MCQOPTIONS
| 1. |
For one dimensional diffusion in the radial direction only for cylinder and sphere, the fick’s second law becomes: |
| A. | ΔCa/ΔT= Dab/r(Δ/Δr(rΔCa/Δr) |
| B. | ΔCa/ΔT= Dab/(Δ/Δr(ΔCa/Δr) |
| C. | -ΔCa/ΔT= Dab/r(Δ/Δr(rΔCa/Δr) |
| D. | ΔCa/ΔT= Dab/r(Δ/Δr(r/Δr) |
| Answer» B. ΔCa/ΔT= Dab/(Δ/Δr(ΔCa/Δr) | |