Explore topic-wise MCQs in Computational Fluid Dynamics.

This section includes 8 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 general form of the equation for the source term is
[aC-FluxCC ] C+ F~NB(C)aF F =FluxVC.

A. nWhat constraint does the term FluxC<sub>C</sub> have?
B. FluxC<sub>C</sub> must be greater than one
C. FluxC<sub>C</sub> must be less than one
D. FluxC<sub>C</sub> must be less than zero
E. FluxC<sub>C</sub> must be greater than zero
Answer» D. FluxC<sub>C</sub> must be less than zero
2.

For linearizing the source term, which of these methods is used?

A. Weighted average
B. Series expansion
C. Normalization
D. Central differencing
Answer» C. Normalization
3.

When the source term varies highly, which of these properties is affected?

A. Consistency
B. Boundedness
C. Stability
D. Rate of convergence
Answer» E.
4.

When the source term does not vary much, the source term is ___________

A. implicitly calculated
B. calculated from the previous iteration s values
C. solved simultaneously
D. calculated form the current values
Answer» C. solved simultaneously
5.

The source term is ____________

A. equal to the square of the source term
B. equal to the source term
C. a function of the flow variable
D. a function of the product of flow variable and the sink term
Answer» D. a function of the product of flow variable and the sink term
6.

Which of these methods is recommended for the source term treatment in general?

A. Treat sinks explicitly and sources implicitly
B. Treat sinks implicitly and sources explicitly
C. Treat the source term explicitly
D. Treat the source term implicitly
Answer» C. Treat the source term explicitly
7.

Which of these physical properties of the flow problems is affected by the source term?

A. Order of accuracy
B. Reduction of error
C. Stability
D. Accuracy
Answer» D. Accuracy
8.

Which of these transport phenomena do not involve any source term?

A. Heat conduction
B. Heat radiation
C. Turbulence models
D. Chemical reactions
Answer» B. Heat radiation