Explore topic-wise MCQs in Computational Fluid Dynamics.

This section includes 6 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.

Consider the general discretized equation aP P=aW W+aE E+S. Which of these will become zero for the left boundary node?

A. <sub>E</sub>
B. a<sub>E</sub>
C. <sub>W</sub>
D. a<sub>W</sub>
Answer» E.
Discussion
2.

Which of these equations govern the problem of source-free one-dimensional steady-state heat conduction?

A. ( frac{d}{dx}(k frac{dT}{dx}) )
B. ( frac{d}{dx}(k frac{d phi}{dx}) )
C. ( frac{d}{dx}( Gamma frac{dT}{dx}) )
D. ( frac{d}{dx}( Gamma frac{d phi}{dx}) )
Answer» B. ( frac{d}{dx}(k frac{d phi}{dx}) )
Discussion
3.

The general discretized equation is modified for ____________

A. the central control volume
B. the boundary control volumes
C. the non-boundary control volumes
D. the interior control volumes
Answer» C. the non-boundary control volumes
Discussion
4.

Which of these gives the statement of one-dimensional steady-state diffusion problem?

A. The diffusive flux of leaving the exit face is the same as the diffusive flux of entering the inlet face
B. The diffusive flux of leaving the exit face plus the diffusive flux of entering the inlet face is equal to the generation of
C. The diffusive flux of leaving the exit face minus the diffusive flux of entering the inlet face is equal to the generation of
D. The diffusive flux of leaving the exit face is the same in magnitude and opposite in direction as the diffusive flux of entering the inlet face
Answer» D. The diffusive flux of leaving the exit face is the same in magnitude and opposite in direction as the diffusive flux of entering the inlet face
Discussion
5.

Which of these theorems is used to transform the general diffusion term into boundary based integral in the FVM?

A. Gauss divergence theorem
B. Stokes theorem
C. Kelvin-Stokes theorem
D. Curl theorem
Answer» B. Stokes theorem
Discussion
6.

Which of these equations represent 1-D steady state diffusion?

A. div( grad )+S=0
B. ( frac{d}{dx}( Gamma frac{d phi}{dx})+S=0 )
C. ( frac{d phi}{dt}+ frac{d}{dx}( Gamma frac{d phi}{dx})+S=0 )
D. ( frac{d phi}{dt}+div( Gamma grad phi)+S=0 )
Answer» C. ( frac{d phi}{dt}+ frac{d}{dx}( Gamma frac{d phi}{dx})+S=0 )
Discussion