Computer Aided Design

MCQ Problems / Explanations

In any FEA software, the large amount of mathematical work is done in ________ phase.

Last updated: Wed, 26 Nov

In the penalty approach, the magnitude of the stiffness constant should be at least _______ times more than the max...

Last updated: Wed, 26 Nov

As per the penalty approach, the equation of reaction force is _____.

Last updated: Wed, 26 Nov

The strain energy per unit volume is equal to _________.

Last updated: Wed, 26 Nov

The total potential energy of an elastic body is defined as _______.

Last updated: Wed, 26 Nov

In truss analysis, the reactions can be found by using the equation ______.

Last updated: Wed, 26 Nov

Elements with an aspect ratio of near to ______ generally yield best results in FEA.

Last updated: Wed, 26 Nov

In FEA, the use of smaller-sized elements will lead to _______ computation time

Last updated: Wed, 26 Nov

If the size of the elements is small, the final solution is expected to be ______ accurate.

Last updated: Wed, 26 Nov

How many nodes are there in a tetrahedron with curved sides element?

Last updated: Wed, 26 Nov

How many nodes are there in a hexahedron element?

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How many nodes are there in a tetrahedron element?

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In penalty approach, rigid support is considered as a spring having _________ stiffness.

Last updated: Wed, 26 Nov

Crack propagation problems come under _______ category.

Last updated: Wed, 26 Nov

In FEA of a fluid mechanics problem, we need to find _______.

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For thermal analysis, the field variable is _________.

Last updated: Wed, 26 Nov

Which of the following module of FEA is used to determine natural frequency?

Last updated: Wed, 26 Nov

Which of the following is not an FEA package?

Last updated: Wed, 26 Nov

The actual thickness of plane strain element is ______.

Last updated: Wed, 26 Nov

Which of the following is true for the stiffness matrix (K)?

Last updated: Wed, 26 Nov

If the body is in a state of equilibrium then the energy is minimum. This statement is considered in ______ .

Last updated: Wed, 26 Nov

The applications of the Finite Element Method in two-dimensional analyses are ______.

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The points in the entire structure are defined using the coordinates system is known as ______.

Last updated: Wed, 26 Nov

The characteristic of the shape function is _______.

Last updated: Wed, 26 Nov

When a thin plate is subjected to loading in its own plane only, the condition is called ________.

Last updated: Wed, 26 Nov

_______ are used to express the geometry or shape of the element.

Last updated: Wed, 26 Nov

_____________ is defined as the ratio of the largest dimension of the element to the smallest dimension.

Last updated: Wed, 26 Nov

Which of the following is not a method for calculation of the stiffness matrix?

Last updated: Wed, 26 Nov

If the structure is more complex in order to simplify the model, we need to subdivide the structure into substructu...

Last updated: Wed, 26 Nov

The finite element methods can be applied in ____________areas.

Last updated: Wed, 26 Nov

The minimum number of dimensions are required to define the position of a point in space is _______.

Last updated: Wed, 26 Nov

______ is/are the phase/s of finite element method.

Last updated: Wed, 26 Nov

Axis-Symmetric element is______________Element

Last updated: Wed, 26 Nov

From below, choose the correct condition for the axisymmetric element.

Last updated: Wed, 26 Nov

How many nodes are there in a 3-D brick element?

Last updated: Wed, 26 Nov

The determinant of an element stiffness matrix is always

Last updated: Wed, 26 Nov

Example for one - Dimensional element is ___________ .

Last updated: Wed, 26 Nov

The truss element can deform only in the

Last updated: Wed, 26 Nov

The truss element can resist only

Last updated: Wed, 26 Nov

The nature of loading at various locations and other surfaces conditions called

Last updated: Wed, 26 Nov

To find the nodal displacements in all parts of the element, ______are used.

Last updated: Wed, 26 Nov

For 1-D bar elements if the structure is having 3 nodes then the stiffness matrix formed is having an order of

Last updated: Wed, 26 Nov

Example of 2-D Element is ___________ .

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Stiffness matrix depends on

Last updated: Wed, 26 Nov

Finite element analysis deals with ___________ .

Last updated: Wed, 26 Nov

In FEA, the sub domains are called as ___________ .

Last updated: Wed, 26 Nov

At fixed support, the displacements are equal to

Last updated: Wed, 26 Nov

The finite element method is mostly used in the field of

Last updated: Wed, 26 Nov

Number of displacement polynomials used for an element depends on ___________ .

Last updated: Wed, 26 Nov

A triangular plane stress element has how many degrees of freedom?

Last updated: Wed, 26 Nov

The sum of the shape function is equal to

Last updated: Wed, 26 Nov

The art of subdividing the structure into a convenient number of smaller elements is known as ___________ .

Last updated: Wed, 26 Nov

To solve the FEM problem, it subdivides a large problem into smaller, simpler parts that are called

Last updated: Wed, 26 Nov

For truss analysis, which type of elements are used?

Last updated: Wed, 26 Nov

To create a hollow part, which of the following command would be most efficient?

Last updated: Wed, 26 Nov

________ command gives an array of object in 3D modeling.

Last updated: Wed, 26 Nov

Which of the following is a file extension used for an AutoCAD file?

Last updated: Wed, 26 Nov

Which of the following is a file extension used for an assembly file in solid model?

Last updated: Wed, 26 Nov

Which of the following is a file extension used for a 3D model?

Last updated: Wed, 26 Nov

The ability available to the user to modify or move a vertex or a face and to see the effect of that on the model i...

Last updated: Wed, 26 Nov

Which of the following uses a number of two-dimensional profiles for generating a three-dimensional object?

Last updated: Wed, 26 Nov

For 3D modeling of automobile body styling, which of the following is a preferred technique?

Last updated: Wed, 26 Nov

____________ is an extension of the wireframe model with additional face information added.

Last updated: Wed, 26 Nov

The data representation of CSG objects is represented by_________.

Last updated: Wed, 26 Nov

It is easy to construct a precise solid model out of regular solid primitives by_____.

Last updated: Wed, 26 Nov

Structuring and combining the primitives of the solid model in the graphics database, is achieved by the use of ___...

Last updated: Wed, 26 Nov

From the following, which method is also called as the Building Block Approach?

Last updated: Wed, 26 Nov

Under which technique, 3D objects are divided up into cubical cells at a particular resolution?

Last updated: Wed, 26 Nov

Which solid modeling technique is used to define numerous families of objects with a limited set of parameter value...

Last updated: Wed, 26 Nov

Which one is the most ambiguous model from the following?

Last updated: Wed, 26 Nov

Which kind of model can store information about geometry and topology both?

Last updated: Wed, 26 Nov

__________can also serve as a means of geometric input for finite element analysis.

Last updated: Wed, 26 Nov

The time required to retrieve, edit or update is less for __________ .

Last updated: Wed, 26 Nov

A cylinder can be created by drawing a rectangular shape using the ________ tool.

Last updated: Wed, 26 Nov

What is the basic part of the surface model on which the surface is to be drawn?

Last updated: Wed, 26 Nov

The model which is created by using basic entities of two dimensioning is called ___________ .

Last updated: Wed, 26 Nov

From the following, which modeler defines model without mass properties?

Last updated: Wed, 26 Nov

B-rep and C-Rep are the methods of ___________ .

Last updated: Wed, 26 Nov

In the following three-dimensional modeling techniques, which do not require much computer time and memory?

Last updated: Wed, 26 Nov

In the following geometric modeling techniques which is not a three dimensional modeling?

Last updated: Wed, 26 Nov

The ___________ is used to create a surface using curves that form closed boundaries.

Last updated: Wed, 26 Nov

In modeling of a tabulated cylinder, the plane of the curve is _______.

Last updated: Wed, 26 Nov

The degree of the curve is independent of the number of control points in _______.

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The number of control points can be added or subtracted in _____________.

Last updated: Wed, 26 Nov

In Beizer Curve, the flexibility of the shape would increase with _______ of the polygon.

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In Beizer Curve, _____________ of polygon actually lie on the curve.

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In Beizer Curve, the curve follows ____________.

Last updated: Wed, 26 Nov

The unit vector in the direction of the line is defined as _______.

Last updated: Wed, 26 Nov

From the following, which is an axisymmetric surface?

Last updated: Wed, 26 Nov

From the following, which is a type of surface entity type?

Last updated: Wed, 26 Nov

________curves allow local control of the curve.

Last updated: Wed, 26 Nov

In the bezier curve, the curve is always________to first and last segments of the polygon.

Last updated: Wed, 26 Nov

The Bezier curve is smoother than the Hermite cubic spline because it has _________ order derivatives.

Last updated: Wed, 26 Nov

To determine the coefficients of the equation - two end-points and the two tangent vectors. This statement is true ...

Last updated: Wed, 26 Nov

The B-spline curve has a

Last updated: Wed, 26 Nov

In synthetic curves, second-order continuity yields

Last updated: Wed, 26 Nov

In synthetic curves, first-order continuity yields

Last updated: Wed, 26 Nov

In synthetic curves, zero-order continuity yields

Last updated: Wed, 26 Nov

The parabola is defined mathematically as a curve generated by a point that moves such that its distance from the f...

Last updated: Wed, 26 Nov

Mathematically, the ellipse is a curve generated by a point moving in space such that at any position the sum of it...

Last updated: Wed, 26 Nov

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