| 26. | The Kozney-Carman equation, rewritten in terms of non-dimensional numbers gives (ΔP/pu² ) proportional to
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| a. | A |
| b. | B |
| c. | C |
| d. | D |
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Answer: (a).A
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| 27. | The equation given below is called the __________ .
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| a. | Colebrook formula |
| b. | Von-Karman equation |
| c. | Fanning equation |
| d. | none of these |
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Answer: (b).Von-Karman equation
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| 28. | Pick out the Blake-Plummer equation (valid for large Nʀₑ) for fluid flow through beds of solids.
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| a. | A |
| b. | B |
| c. | C |
| d. | D |
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Answer: (d).D
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| 29. | The actual velocity at vena-contracta for flow through an orifice from a reservoir is given by
 |
| a. | A |
| b. | B |
| c. | C |
| d. | D |
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Answer: (a).A
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| 30. | For flow through a venturi at a particular discharge, the correct relationships among heads at points X, Y, and Z are
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| a. | h₁ > h₂ < h₃ |
| b. | h₁ > h₂ > h₃ |
| c. | h₂ < h₁ < h₃ |
| d. | h₁ < h₂ < h₃ |
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Answer: (a).h₁ > h₂ < h₃
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