MCQOPTIONS
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| 1. |
The normal stress is the same in all directions at a point in a fluid only when |
| A. | The fluid is frictional |
| B. | The fluid is frictionless and incompressible |
| C. | The fluid has zero viscosity and is at rest |
| D. | One fluid layer has no motion relative to an adjacent layer |
| Answer» E. | |