MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Fluid Mechanics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The pipe diameter is ________ |
| A. | Directly proportional to fluid density |
| B. | Directly proportional to mass flow rate |
| C. | Inversely proportional to mass flow rate |
| D. | Directly proportional to fluid velocity |
| Answer» C. Inversely proportional to mass flow rate | |
| 2. |
Coefficient of friction of a laminar flow is_________$ |
| A. | R<sub>e</sub>/16 |
| B. | R<sub>e</sub>/64 |
| C. | 16/R<sub>e</sub> |
| D. | 64/R<sub>e</sub> |
| Answer» D. 64/R<sub>e</sub> | |
| 3. |
The pipe diameter is _______? |
| A. | Directly proportional to fluid density |
| B. | Directly proportional to mass flow rate |
| C. | Inversely proportional to mass flow rate |
| D. | Directly proportional to fluid velocity |
| Answer» C. Inversely proportional to mass flow rate | |
| 4. |
How do we determine the total discharge through parallel pipes? |
| A. | Add them. |
| B. | Subtract them |
| C. | Multiply them |
| D. | Divide them |
| Answer» B. Subtract them | |
| 5. |
If the two reservoirs are kept at the same level, the head loss is _______ |
| A. | Z<sub>1</sub>-Z<sub>2</sub> |
| B. | Zero |
| C. | T<sub>2</sub>-T<sub>1</sub> |
| D. | S<sub>2</sub>-S<sub>1</sub> |
| Answer» C. T<sub>2</sub>-T<sub>1</sub> | |
| 6. |
Which among the following is the correct formula for head loss? |
| A. | Z<sub>1</sub>-Z<sub>2</sub> |
| B. | C |
| C. | T<sub>2</sub>-T<sub>1</sub> |
| D. | S<sub>2</sub>-S<sub>1</sub> |
| Answer» B. C | |
| 7. |
Which among the following is not a loss that is developed in the pipe? |
| A. | Entry |
| B. | Exit |
| C. | Connection between two pipes |
| D. | Liquid velocity |
| Answer» E. | |
| 8. |
The total head loss for the system is equal to_________ |
| A. | Pipe length |
| B. | Pipe diameter |
| C. | Width of the reservoir |
| D. | Height difference of reservoirs |
| Answer» E. | |
| 9. |
What is the total loss developed in a series of pipes? |
| A. | Sum of losses in each pipe only |
| B. | Sum of local losses only |
| C. | Sum of local losses plus the losses in each pipe |
| D. | Zero |
| Answer» D. Zero | |
| 10. |
The liquid flowing through a series of pipes can take up__________ |
| A. | Pipes of different diameters |
| B. | Pipes of the same diameters only. |
| C. | Single pipe only |
| D. | Short pipes only |
| Answer» B. Pipes of the same diameters only. | |