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. | ΔC<sub>a</sub>/ΔT= D<sub>ab</sub>/r(Δ/Δr(rΔCa/Δr) |
| B. | ΔC<sub>a</sub>/ΔT= D<sub>ab</sub>/(Δ/Δr(ΔCa/Δr) |
| C. | -ΔC<sub>a</sub>/ΔT= D<sub>ab</sub>/r(Δ/Δr(rΔCa/Δr) |
| D. | ΔC<sub>a</sub>/ΔT= D<sub>ab</sub>/r(Δ/Δr(r/Δr) |
| Answer» B. ‚âà√≠‚àö√ÜC<sub>a</sub>/‚âà√≠‚àö√ÜT= D<sub>ab</sub>/(‚âà√≠‚àö√Ü/‚âà√≠‚àö√Ür(‚âà√≠‚àö√ÜCa/‚âà√≠‚àö√Ür) | |