Explore topic-wise MCQs in Computational Fluid Dynamics Questions and Answers.

This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Computational Fluid Dynamics Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.

To get the mass conservation equation from the general transport equation given below, Φ=?

A. \(\frac{\partial(\rho\Phi)}{\partial t}+div(\rho\Phi\vec{u})\)=div(ΓgradΦ)+SΦ
B. Mass of the fluid
C. 1
D. 0
E. Density of the fluid
Answer» C. 1
2.

When the general transport equation is written in the energy equation form, what does Γ become?

A. k
B. μ
C. σ
D. κ
Answer» B. μ
3.

In terms of heat transfer, what does div(ΓgradΦ) mean?

A. Heat radiation
B. Heat convection
C. Thermal flow
D. Heat conduction
Answer» E.
4.

What does this symbol Γ in the term div(ΓgradΦ) of the general transport equation mean?

A. Diffusion flux
B. Convection coefficient
C. Diffusion coefficient
D. Rate of diffusion
Answer» D. Rate of diffusion
5.

Which term represents the diffusion of the property Φ?

A. div(Φ)
B. div(ΓgradΦ)
C. curl(Φ)
D. curl(ΓgradΦ)
Answer» C. curl(Φ)
6.

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
7.

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