MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Computational Fluid Dynamics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The surface integral can be used to represent ____ and ____ terms of the transport equation. |
| A. | Rate of change and diffusion |
| B. | Rate of change and convection |
| C. | Source and diffusion |
| D. | Convection and diffusion |
| Answer» E. | |
| 2. |
To get the mass conservation equation from the general transport equation given below, =? ( frac{ partial( rho Phi)}{ partial t}+div( rho Phi vec{u}) )=div( grad )+S |
| A. | Mass of the fluid |
| B. | 1 |
| C. | 0 |
| D. | Density of the fluid |
| Answer» C. 0 | |
| 3. |
When the general transport equation is written in the energy equation form, what does become? |
| A. | k |
| B. | |
| C. | |
| D. | |
| Answer» B. | |
| 4. |
In terms of heat transfer, what does div( grad ) mean? |
| A. | Heat radiation |
| B. | Heat convection |
| C. | Thermal flow |
| D. | Heat conduction |
| Answer» E. | |
| 5. |
What does this symbol in the term div( grad ) of the general transport equation mean? |
| A. | Diffusion flux |
| B. | Convection coefficient |
| C. | Diffusion coefficient |
| D. | Rate of diffusion |
| Answer» D. Rate of diffusion | |
| 6. |
Which term represents the diffusion of the property ? |
| A. | div( ) |
| B. | div( grad ) |
| C. | curl( ) |
| D. | curl( grad ) |
| Answer» C. curl( ) | |
| 7. |
Which of these terms represent the flow of fluid into and out of the observation model? |
| A. | ( frac{ partial( rho Phi)}{ partial t} ) |
| B. | (div( rho Phi vec{u}) ) |
| C. | div( grad ) |
| D. | grad |
| Answer» C. div( grad ) | |
| 8. |
What does the term ( frac{ partial( rho Phi)}{ partial t} ) mean? |
| A. | Rate of change |
| B. | Convection |
| C. | Diffusion |
| D. | Source term |
| Answer» B. Convection | |
| 9. |
What are the terms included in the transport equation? |
| A. | Rate of change term, advective term, convective term, source term |
| B. | Advective term, diffusive term, convective term, source term |
| C. | Rate of change term, diffusive term, convective term, advective term |
| D. | Rate of change term, diffusive term, convective term, source term |
| Answer» E. | |
| 10. |
The general equation applicable to all the properties is called the general transport equation. What does this term transport signify? |
| A. | The equation is applicable to all properties |
| B. | The equation can be transformed easily |
| C. | The equation includes various transport processes |
| D. | The equation is general |
| Answer» D. The equation is general | |