| 1. | How many types of fluid flow are characterized in the realms of fluid mechanics? |
| a. | 1 |
| b. | 2 |
| c. | 3 |
| d. | 4 |
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Answer: (b).2
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| 2. | In which fluid flow, the motion of fluid particles is irregular? |
| a. | Turbulent |
| b. | Laminar |
| c. | One dimensional |
| d. | Two dimensional |
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Answer: (a).Turbulent
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| 3. | Following are the characteristics of turbulent flow
(i) Eddying (ii) Sinuous (iii) Rectilinear Identify the correct option |
| a. | 2 and 3 |
| b. | 1 and 3 |
| c. | 1, 2 and 3 |
| d. | 1 and 2 |
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Answer: (d).1 and 2
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| 4. | The nature of fluid flow is governed by following parameters
(i) Mean flow velocity (ii) Density of fluid (iii) Dynamic viscosity of the fluid Identify the correct statements |
| a. | 1 and 3 |
| b. | 1 only |
| c. | 1, 2 and 3 |
| d. | 2 and 3 |
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Answer: (c).1, 2 and 3
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| 5. | The value of convective coefficient of air in case of free convection is |
| a. | 3-7 W/m² K |
| b. | 3-4 W/m² K |
| c. | 8-9 W/m² K |
| d. | 9-9.5 W/m² K |
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Answer: (a).3-7 W/m² K
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