MCQOPTIONS
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| 1. |
In fluid flow, and heat and mass transfer, one encounters (i) kinematic velocity (μ), (ii) molecular diffusivity (θ) and thermal diffusivity (α). The units of these quantities are. |
| A. | μ , α and θ all have units of m/s |
| B. | μ , α and θ all have units of m²/s |
| C. | α and θ have units of m²/s, while μ has unit of m/s |
| D. | α and θ have units of m/s, while μ has unit of m²/s |
| Answer» D. α and θ have units of m/s, while μ has unit of m²/s | |