In Finite Element Method (FEM), Mesh convergence is a measure of the number of _____ required in a model to ensure that the results of an analysis are not affected by changing the size of the _____

In Finite Element Method (FEM), choose the incorrect option regarding to the dimensions (mm) of elements in a finite element mesh?

A

Elements with very large aspect ratios are avoided

B

Elements with small angles are undesired

C

The coefficient matrices in finite element equations depend on dimensions of elements

D

Rectangular elements with high aspect ratio are preferred

The various types of plate convergence is

I. oceanic-oceanic convergence
II. oceanic-continental convergence
III. continental-continental convergence

A

I, II

B

II, III

C

I, III

D

All of the above

Assertion (A): All the mesh currents are necessarily the loop currents but all the loop currents may not be the mesh current. Reason (R): The mesh current is the current which flows only around the perimeter of a mesh.

A

Both (A) and (R) are true and (R) is the correct explanation of (A).

B

Both (A) and (R) are true, but (R) is not the correct explanation of (A).

C

(A) is true, but (R) is false.

D

(A) is false, but (R) is true.

Higher is the mesh number, smaller will be the aperture size of the screen. It means that the aperture size of a 200 mesh screen will be smaller than that of 20 mesh screen. This is valid for

A

British standard screens

B

German standard screens (DIN 1171) etc

C

American standard screens (ASTM and Tyler standard screens)

D

All of the above

In Finite Element Method (FEM), which option is not correct with respect to discretization or mesh generation?

A

Density of elements depends on the degree of accuracy desired

B

Choice of element type may depend on the geometry of domain

C

For better accuracy correct formulae has to be applied

D

Some general rules govern mesh generation

In Finite Element Method (FEM), for discretization purpose in general, which optionis not true for mesh refinement?

A

Previous meshes should be contained in the refined mesh

B

Any point in the body can be included within an arbitrarily small element at any stage of the mesh refinement

C

The same order of approximation for the solution may be preserved through all stages of the refinement process

D

Elements with very large aspect ratios are desired

The software used for the purpose of mass property calculations, assembly analysis, tolerance analysis, finite element analysis, mechanisms analysis, sheet metal design, analysis of plastic injection molding and animation techniques is:

A

Graphics software

B

Operating system

C

Application software

D

Programming language

In Finite Element Method (FEM), for discretization purpose in general, a refined mesh is employed in areas where changes in geometry, boundary conditions, loading, material properties or solution are present.

A

True

B

False

Which of the following statements is most relevant in the context of Job Analysis? Choose the correct answer from the code given below. (i) Job Analysis helps in identifying the right person for the right job. (ii) A person cannot judge the job from the point of view of its suitability. (iii) Job analysis helps in job satisfaction and job efficiency. (iv) Through Job Analysis an employer cannot evaluate the prospective employee to judge his fitness or otherwise for the job. (v) Job Analysis helps in planning appropriate training programs. (vi) Job Analysis defines client needs in specific terms. (vii) Job Analysis assists in knowing the personnel specifications for various jobs.

A

(i), (ii), (iii) and (iv)

B

(i), (iv), (v) and (vi)

C

(i), (iii), (vi) and (vii)

D

(ii), (iii), (v) and (vi)

If R1 is the region of convergence of x (n) and R2 is the region of convergence of y(n), then the region of convergence of x (n) convoluted y (n) is ___________

A

R1 + R2

B

R1 – R2

C

R1 ∩ R2

D

R1 ∪ R2

In Finite Element Method (FEM), Mesh convergence is a measure of the number of _ required in a model to ensure that the results of an analysis are not affected by changing the size of the _

Related Questions