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| Q. |
Which of the following statement is correct ? |
| A. | In a compressible flow, the volume of the flowing liquid changes during the flow. |
| B. | A flow in which the volume of the flowing liquid does not change, is called incompressible flow. |
| C. | When the particles rotate about their own axes while flowing, the flow is said to be rotational flow. |
| D. | all of the above |
| Answer» D. all of the above | |
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