 
			 
			MCQOPTIONS
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				| 1. | What is the problem of numerical diffusivity? | 
| A. | The simulated model has a higher diffusivity than the actual flow | 
| B. | The simulated model has a lower diffusivity than the actual flow | 
| C. | The simulated model has a different diffusivity than the actual flow | 
| D. | The simulated model has a zero diffusivity | 
| Answer» B. The simulated model has a lower diffusivity than the actual flow | |