Fluid Flow

1. What comprises a fluid?

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2. Distinguish between steady flow and laminar flow?

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3. What causes a fluid to flow?

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4. The Bernoullis equation in fluid dynamics is valid for?

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5. The mass of the fluid that flows through a given section per unit time is called?

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6. Mention two types of flow?

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7. Uniform flow is defined as a type of flow in which acceleration is zero; velocity is constant?

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8. Equation of continuity is the product between AREA and VELOCITY [AREAxVELOCITY]

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9. Which of the following statements describes turbulent flow?

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Question 10 of 36

11. Consider a ship that gives rise to more eddies and requires more effort to move it; is the ship designed for streamline flow?

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12. Name the device for measuring the velocity of moving fluid?

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13. Mention the hazards of Bernoullis effect?

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14. In laminar flow, fluid particles flow along a streamline?

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15. Shapes which produce eddies (turbulence) which offer a drag on the moving shapes are called?

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16. Which among the following is NOT an application of Bernoullis principle?

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17. Define Bernoullis principle

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18. The volume of a fluid passing through a given section of a tube of flow per unit time is called?

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19. The equation of continuity/ flow rate for a non-viscous steady flow states that; - THE AREA OF CROSS-SECTION OF THE FLUID IS INVERSELY PROPORTIONAL TO THE VELOCITY OF THE FLUID.

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20. Ripples or eddies have a drag effect on the object moving through the fluid. True or False?

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21. Which of the following is Bernoullis equation?

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22. Eddies are lines of flow that form in zig-zag manner and rotate about their own axis. They are characteristic of which type of flow?

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23. Describe the shapes (bodies/objects) suited to streamline flow. They are:

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24. Turbulent flow is the breaking of streamlines into ripples (disorderly flow)?

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25. Eddies formed in turbulent flow are major cause of the energy loss in turbulent flow. True or false?

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26. Briefly explain what shall happen when a fluid (non-viscous and steady) is flowing from a pipe of big cross-section area to a smaller one?

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27. Distinguish between the streamline and turbulent flow?

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28. Briefly explain what shall happen when a non-viscous steady fluid is flowing from a pipe of small cross-section area to a bigger one?

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29. Name the device for measuring volume flux of a fluid?

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30. MASS FLUX = DENSITY x VOLUME FLUX (product of density and volume flux)

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31. Which of the following is a result caused by Bernoullis effect?

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32. Which of the following statements describe streamline flow?

Question 32 of 36

33. Flow rate or equation of continuity is constant (k) across the tube flow?

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34. Name the assumptions made on the fluid when deriving the equation of continuity?

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35. When fluid flow passes beyond a certain velocity known as critical velocity what sets in?

Question 35 of 36

36. State the Bernoullis effect?

Question 36 of 36