Explore topic-wise MCQs in Computational Fluid Dynamics.

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