# Introduction Transformation Grid Quiz Questions and Answers 3 PDF Download

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## Quiz on Introduction Transformation Grid Worksheet 3 Quiz PDF Download

Purpose of CFD Quiz

MCQ: Meshes which only requires element size on lines and surfaces that define geometry as input.

- Structured mesh
- unstructured mesh
- Dirichlet mesh
- None of these

B

Purpose of CFD Quiz

MCQ: When a direct computation of dependent variables can be made in terms of known quantities, computation is said to be

- implicit
- explicit
- unique
- dependent

B

Purpose of CFD Quiz

MCQ: Formula of forward differencing is

- Δhf(x) = f(x+h) - f(x)
- 2Δhf(x) = f(x+h) - f(x-h)
- Δhf(x) = f(x) - f(x+h)
- Δhf(x) = f(x+h) + f(x-h)

A

Purpose of CFD Quiz

MCQ: Incompressible flow is limiting case of subsonic flow where Mach number is

- maximum
- minimum
- zero
- constant

C

Purpose of CFD Quiz

MCQ: Ratio of momentum diffusivity and thermal diffusivity is called

- Reynolds number
- Mach number
- Ruark number
- Pandtl number

D