Fluid Flow

1. What comprises a fluid?

Question 1 of 36

2. Distinguish between steady flow and laminar flow?

Question 2 of 36

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?

Question 9 of 36

10. VOLUME FLUX = CROSS SECTION AREA x DISTANCE

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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?

Question 14 of 36

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?

Question 18 of 36

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?

Question 22 of 36

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)

Question 30 of 36

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

Question 31 of 36

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?

Question 34 of 36

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