Description : Which of the following is true for the stiffness matrix (K)? a.K is a banded matrix b.K is un-symmetric c.K is an un-banded matrix d.none of the above
Last Answer : a.K is a banded matrix
Description : Which of the following is not a method for calculation of the stiffness matrix? a.The minimum potential energy principle b.Galerkin's principle c.Weighted residual method d.Inverse matrix method
Last Answer : d.Inverse matrix method
Description : The determinant of an element stiffness matrix is always a.3 b.2 c.1 d.
Last Answer : d.0
Description : Stiffness matrix depends on a.material b.geometry c.both material and geometry d.none of the above
Last Answer : c.both material and geometry
Description : If a ‘3 x 3’ matrix shears in Y direction, how many elements of it are ‘0’? a.2 b.3 c.6 d.5
Last Answer : d.5
Description : If a ‘3 x 3’ matrix shears in X direction, how many elements of it are ‘1’? a.2 b.3 c.6 d.5
Last Answer : b.3
Description : In penalty approach, rigid support is considered as a spring having stiffness. a.zero b.very small c.very large d.infinite
Last Answer : d.infinite
Description : If the structure is more complex in order to simplify the model, we need to subdividethe structure into substructures. These substructures are termed as . a.elements b.modules c.links d.models
Last Answer : b.modules
Description : How many nodes are there in a tetrahedron with curved sides element? a.6 b.8 c.10 d.12
Last Answer : c.10
Description : How many nodes are there in a hexahedron element? a.4 b.6 c.8 d.10
Last Answer : c.8
Description : How many nodes are there in a tetrahedron element? a.3 b.4 c.5 d.6
Last Answer : b.4
Description : How many nodes are there in a 3-D brick element? a.3 b.6 c.8 d.9
Description : For truss analysis, which type of elements is used? a.Triangle b.Parallelogram c.Rectangle d.Bar
Last Answer : d.Bar
Description : On gathering stiffness and loads, the system of equations is given by a.KQ=F b.KQ≠F c.K=QF d.K≠QF
Last Answer : a.KQ=F
Description : If the body is in a state of equilibrium then the energy is minimum. This statement isconsidered in . a.inverse matrix method b.weighted residual method c.Galerkin’s principle d.the minimum potential energy principle
Last Answer : d.the minimum potential energy principle
Description : The characteristic of the shape function is a.the shape function has a unit value at one nodal point and zero value at the other nodes b.the sum of the shape function is equal to one c.both a & b d.None of the above
Last Answer : c.both a & b
Description : Number of displacement polynomials used for an element depends on . a.nature of element b.type of an element c.degrees of freedom d.nodes
Last Answer : c.degrees of freedom
Description : How many minimum numbers of zeros are there in ‘3 x 3’ triangular matrix? a.4 b.3 c.5 d.6
Description : The art of subdividing the structure into a convenient number of smaller elements is knownas a.discretization b.assemblage c.continuum d.traction
Last Answer : a.discretization
Description : Transpose of a column matrix is a.Zero matrix b.Identity matrix c.Row matrix d.Diagonal matrix
Last Answer : c.Row matrix
Description : What is the determinant of the pure reflection matrix? a.1 b.0 c.-1 d.2
Last Answer : c.-1
Description : The two-dimensional translation equation in the matrix form is a.P’=P+T b.P’=P-T c.P’=P*T d.P’=P
Last Answer : a.P’=P+T
Description : Which co-ordinates allow common vector operations such as translation, rotation,scaling and perspective projection to be represented as a matrix by which the vector is multiplied? a.vector co-ordinates b.3D co-ordinates c.affine co-ordinates d.homogenous co-ordinates
Last Answer : d.homogenous co-ordinates
Description : We can combine the multiplicative and translational terms for 2D into a singlematrix representation by expanding a.2 x 2 matrix into 4x4 matrix b.2 x 2 matrix into 3 x 3 c.3 x 3 matrix into 2 x 2 d.Only c
Last Answer : b.2 x 2 matrix into 3 x 3
Description : What is the use of homogeneous coordinates and matrix representation? a.To treat all 3 transformations in a consistent way b.To scale c.To rotate d.To shear the object
Last Answer : a.To treat all 3 transformations in a consistent way
Description : The two-dimensional rotation equation in the matrix form is a.P’=T+P b.P’=S*P c.P’=R*P d.P’=dx+dy
Last Answer : c.P’=R*P
Description : The matrix representation for scaling in homogeneous coordinates is a.P’=S*P b.P’=R*P c.P’=dx+dy d.P’=S*S
Last Answer : a.P’=S*P
Description : The matrix representation for translation in homogeneous coordinates is a.User Coordinate System b.World Coordinate System c.Screen Coordinate System d.None of the above
Last Answer : b.World Coordinate System
Description : Reflection about the line y=0, the axis, is accomplished with the transformationmatrix with how many elements as ‘0’? a.8 b.9 c.4 d.6
Last Answer : d.6
Description : Example of 2-D Element is . a.bar b.triangle c.hexahedron d.tetrahedron
Last Answer : b.triangle
Description : Two lines L1 and L2 having Parametric equations are P1=[3 4 7]+u[2 2 -6] and P2=[15 -2]+u[1 4 2]. Tangent vector for line L1 a.2i+2j-6k b.2i+2j+6k c.2i-2j-6k d.6-2j-2k
Last Answer : a.2i+2j-6k
Description : Find coordinates of points on line having end points P1(3,5,8) and P2 (6,4,3) at u=0.25 a.[3.75 4.25 6.25] b.[3.25 4.25 6.25] c.[3.75 4.75 6.75] d.[4.25 3.75 6.25]
Last Answer : c.[3.75 4.75 6.75]
Description : Find the tangent vector of line having end points P1(3,5,8) and P2 (6,4,3) a.3i+j-5k b.3i-j-5k c.3i-j+5k d.-3i-j-5k
Last Answer : b.3i-j-5k
Description : Write parametric equation of line having end points P1(3,5,8) and P2 (6,4,3). a.[3 5 8]+u[3 -1 -5] b.[3 5 8]+u[3 1 5] c.[3 8 5]+u[3 -1 -5] d.[3 5 8]+u[-3 1 5]
Last Answer : a.[3 5 8]+u[3 -1 -5]
Description : In Opitz system, 2nd digit indicates a.Type and Shape b.External shape and external shape elements c.External plane surface finishing d.Auxiliary hole and gear teeth
Last Answer : b.External shape and external shape elements
Description : If the size of the elements is small, the final solution is expected to be accurate. a.more b.less c.depends on other factors d.can't say
Last Answer : a.more
Description : In FEA, the sub domains are called as . a.particles b.molecules c.elements d.none
Last Answer : c.elements
Description : To solve the FEM problem, it subdivides a large problem into smaller, simpler parts that arecalled a.static elements b.dynamic elements c.infinite elements d.finite elements
Last Answer : d.finite elements
Description : Chain type coding structure is also known as________ a.Poly code b.Mono code c.Hybrid code d.Miscellaneous code
Last Answer : a.Poly code
Description : From the following in which type of GT code tree-type structure is used? a.Poly code b.Hybrid code c.Mono code d.None of the above
Last Answer : c.Mono code
Description : From the following in which type of GT code chain-type structure is used? a.Poly code b.Hybrid code c.Mono code d.None of the above
Description : _____ is area of engineering and science which understand the different principles, structure andprogramming of robot a.Mechatronics b.Robotics c.Aeronautics d.None of the above
Last Answer : b.Robotics
Description : What type of inner structure can be used to reduce the printing time of the model in RP? a.Higher resolution b.Smaller polygons c.Lower resolution d.None of the above
Last Answer : c.Lower resolution
Description : What type of inner structure makes the smoothest model in RP? a.Higher resolution b.Larger polygons c.Lower resolution d.None of the above
Last Answer : a.Higher resolution
Description : The points in the entire structure are defined using the coordinates system is known as a.local coordinates system b.natural coordinates system c.global coordinate system d.none of the above
Last Answer : c.global coordinate system
Description : Which of the following is NOT true?Image formed by reflection through a plane mirror is a.of same size b.same orientation c.is at same distance from the mirror d.virtual
Last Answer : b.same orientation
Description : In a simple and visual method of Cell design, the priorities in classifying may be in the order a.Rotational or non rotational †Material †Size †Shape b.Material †Rotational or non ... non rotational †Material †Shape d.Shape †Rotational or non rotational †Material †Size
Last Answer : a.Rotational or non rotational – Material – Size – Shape
Description : The B-spline curve has a a.first-order continuity b.second-order continuity c.zero-order continuity d.none of the above
Last Answer : b.second-order continuity
Description : In synthetic curves, first-order continuity yields a.a position continuous curve b.a slope continuous curve c.a curvature continuous curve d.none of the above
Last Answer : b.a slope continuous curve
Description : In synthetic curves, zero-order continuity yields a.a position continuous curve b.a slope continuous curve c.a curvature continuous curve d.none of the above
Last Answer : a.a position continuous curve