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.

In the Normalized Variable Diagram (NVD), all the second-order and third-order schemes pass through the point ________________

A. (0,1)
B. (0.5,0.5)
C. (0.5, 0.75)
D. (1,1)
Answer» D. (1,1)
Discussion
2.

Plotting the QUICK scheme in the ( ( tilde{ phi_c}, tilde{ phi_f} )) plane, the profile will be ____
(Note: ( tilde{ phi_c} ,and , tilde{ phi_f} ) are the normalized flow variable at the upwind node and at the face respectively).

A. quadratic line
B. straight line
C. curved line
D. a parabola
Answer» C. curved line
Discussion
3.

What is the normalized flow variable at the face ( ( tilde{ phi_f} )) for the upwind and downwind schemes respectively?
(Note: ( tilde{ phi_c} ) is the normalized flow variable at the upwind node).

A. 1 and 0
B. 1 and ( tilde{ phi_c} )
C. 0 and 1
D. ( tilde{ phi_c} ) and 1
Answer» E.
Discussion
4.

If ( tilde{ phi_c}<0 ,or , tilde{ phi_c}>1 ), what does it mean?
(Note: ( tilde{ phi_c} ) is the normalized flow variable at the upwind node).

A. Maximum at c
B. Minimum at c
C. Extremum at c
D. Global minimum at c
Answer» D. Global minimum at c
Discussion
5.

Which of these conditions represent a monotonic profile of variable between the far upwind node and downwind node?
(Note: ( tilde{ phi_c} ) is the normalized flow variable at the upwind node).

A. (1 leq tilde{ phi_c} leq )
B. (0 leq tilde{ phi_c} leq 1 )
C. (0 leq tilde{ phi_c} leq 0.5 )
D. (0.5 leq tilde{ phi_c} leq 1 )
Answer» C. (0 leq tilde{ phi_c} leq 0.5 )
Discussion
6.

What are the normalized values of the variables d (downwind) and u (far upwind)?

A. 1 and 0
B. 0 and
C. 1 and
D. 0 and 1
Answer» B. 0 and
Discussion
7.

The NVF approach does not rely on _____________

A. far downwind node
B. far upwind node
C. upwind node
D. downwind node
Answer» B. far upwind node
Discussion
8.

The Normalized Variable Formulation (NVF) is used to ___________

A. describe and analyse temporal schemes
B. describe and analyse high-resolution schemes
C. visualize high-resolution schemes
D. visualize temporal scheme
Answer» C. visualize high-resolution schemes
Discussion