The general homogeneous coordinate representation can also be written as a.(h.x, h.y, h.z) b.(h.x, h.y, h) c.(x, y, h.z) d.(x,y,z)

1 Answer

Answer :

b.(h.x, h.y, h)

Related questions

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 : 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 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 : If point are expressed in homogeneous coordinates then the pair of (x, y) isrepresented as a.(x’, y’, z’) b.(x, y, z) c.(x’, y’, w’) d.(x’, y’, w)

Last Answer : d.(x’, y’, w)

Description : For 2D transformation the value of third coordinate i.e. w (or h) =? a.1 b.0 c.-1 d.Any value

Last Answer : a.1

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 : From the following which type of work envelope is made in Cartesian coordinate robot. a.Square work envelope b.Spherical work envelope c.Cylindrical work envelope d.Rectangular work envelope

Last Answer : d.Rectangular work envelope

Description : Which type of motion is possible in polar coordinate robots? a.2 linear and 1 rotational motion b.3 linear motion c.3 rotational motion d.2 rotational and 1 linear motion

Last Answer : d.2 rotational and 1 linear motion

Description : Which type of motion is possible in cylindrical coordinate robots? a.3 rotational motion b.3 linear and 1 rotational motion c.2 linear and 1 rotational motion d.3 linear motion

Last Answer : c.2 linear and 1 rotational motion

Description : Which type of motion is possible in Cartesian coordinate robots? a.3 linear motion b.2 linear and 1 rotational motion c.3 rotational motion d.1 linear and 1 rotational motion

Last Answer : a.3 linear motion

Description : ……… is the origin of the coordinate system which is defined by manufacturer they cannotbe changed a.Blocking Point b.machine Zero Point c.Start Point d.Program Zero point

Last Answer : b.machine Zero Point

Description : Match the following: NC code DefinitionP. M05 1. Absolute coordinate system Q. G01 2. Dwell R. G04 3. Spindle stop S. G09 4. Linear interpolation a.P-2, Q-3, R-4, S-1 b.P-3, Q-4, R-1, S-2 c.P-3, Q-4, R-2, S-1 d.P-4, Q-3, R-2, S-1

Last Answer : c.P-3, Q-4, R-2, S-1

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 : To find the nodal displacements in all parts of the element, are used. a.shape function b.node function c.element function d.coordinate function

Last Answer : a.shape function

Description : Coordinate of â- ABCD is WCS are: lowermost corner A(2,2) & diagonal corner are C(8,6). W.r.t MCS. The coordinates of origin of WCS system are (5,4). If the axes of WCS are at 600 in CCW w.r.t. the axes of MCS. Find new ... in MCS. a.(4.268, 6.732) b.(5.268, 6.732) c.(4.268, 4.732) d.(6.268, 4.732)

Last Answer : a.(4.268, 6.732)

Description : Polygons are translated by adding to the coordinate positionof each vertex and the current attribute setting. a.Straight line path b.Translation vector c.Differences d.Only b

Last Answer : d.Only b

Description : In which type of projection, actual dimensions and angles of objects and therefore shapescannot be preserved? a.User Coordinate System b.World Coordinate System c.Screen Coordinate System d.None of the above

Last Answer : b.World Coordinate System

Description : When every entity of a geometric model remains parallel to its initial position, thetransformation is called as a.User Coordinate System b.World Coordinate System c.Screen Coordinate System d.None of the above

Last Answer : b.World Coordinate System

Description : Which of the following is the default coordinate system? a.User Coordinate System b.World Coordinate System c.Screen Coordinate System d.None of the above

Last Answer : b.World Coordinate System

Description : Which coordinate system is a device-dependent coordinate system? a.World Coordinate System b.Model Coordinate System c.User Coordinate System d.Screen Coordinate System

Last Answer : d.Screen Coordinate System

Description : In Coordinates, a points in n-dimensional space is represent by(n+1) coordinates. a.Scaling b.Homogeneous c.Inverse transformation d.3D Transformation

Last Answer : b.Homogeneous

Description : In homogeneous coordinates value of ‘h’ is consider as 1 & it is called….. a.Magnitude Vector b.Unit Vector c.Non-Zero Vector d.Non-Zero Scalar Factor

Last Answer : d.Non-Zero Scalar Factor

Description : For 3D modeling of automobile body styling, which of the following is a preferredtechnique a.Constructive Solid Geometry b.Pure Primitive Instancing c.Boundary Representation d.Spatial Occupancy Enumeration

Last Answer : c.Boundary Representation

Description : For 3D modeling of automobile body styling, which of the following is a preferredtechnique? a.Constructive Solid Geometry b.Pure Primitive Instancing c.Boundary Representation d.Spatial Occupancy Enumeration

Last Answer : c.Boundary Representation

Description : The data representation of CSG objects is represented by a.a binary tree b.a boolean operation c.a primitive d.none of the above

Last Answer : a.a binary tree

Description : Secondary Linear Axes U,V & W are ……… to X,Y & Z-axis. a.Perpendicular b.Parallel c.Rotational d.All of the above

Last Answer : b.Parallel

Description : B rotational axis is rotation about Axis. a.X b.Y c.Z d.C

Last Answer : a.X

Description : Parametric equation for circle a.X=x+Rcosu; Y=y+Rsinu; Z=z b.X=Rcosu; Y=Rsinu; Z=z c.X=x+Rsinu; Y=y+Rcosu; Z=z d.X=Rsinu; Y=y+Rcosu; Z=z

Last Answer : a.X=x+Rcosu; Y=y+Rsinu; Z=z

Description : In STL files Euler’s rule for solids can be written as a.No. of faces †No. of edges + No. of vertices = 3 x No. of bodies b.No. of faces †No. of edges + No. of vertices = No. of bodies c.No. of ... = 2 x No. of bodies d.No. of faces †No. of edges + No. of vertices = 4 x No. of bodies

Last Answer : c.No. of faces – No. of edges + No. of vertices = 2 x No. of bodies

Description : A CNC Lathe is usually a machine tool with Z axes is….. a.Line Joining origin and vertical movement b.Line perpendicular to Y axis c.Both A & B d.Line Joining Chuck centre & tail stock centre

Last Answer : d.Line Joining Chuck centre & tail stock centre

Description : The distance of a given tool tip from the surface of workpiece is known as….. a.Tool length b.Tool length offset H c.Cutter radius d.Compensation

Last Answer : b.Tool length offset H

Description : A line AB with end points A (2, 1) & B (7, 6) is to be moved by 3 units in x-direction & 4units in y-direction. Calculate new coordinates of points B. a.(10, 2) b.(2, 10) c.(10, 10) d.(10, 5)

Last Answer : c.(10, 10)

Description : By changing the dimensions of the viewport, the and ofthe objects being displayed can be manipulated. a.Number of pixels and image quality b.X co-ordinate and Y co-ordinate c.Size and proportions d.All of these

Last Answer : c.Size and proportions

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 : Which of the following represents shearing? a.(x, y) → (x+shx, y+shy) b.(x, y) → (ax, by) c.(x, y) → (x cos(θ)+y sin(θ), -x sin(θ)+y cos(θ)) d.(x, y) → (x+shy, y+shx)

Last Answer : d.(x, y) → (x+shy, y+shx)

Description : The polygons are scaled by applying the following transformation. a.X’=x * Sx + Xf(1-Sx) & Y’=y * Sy + Yf(1-Sy) b.X’=x * Sx + Xf(1+Sx) & Y’=y * Sy + Yf(1+Sy c.X’=x * Sx + Xf(1-Sx) & Y’=y * Sy – Yf(1-Sy) d.X’=x * Sx * Xf(1-Sx) & Y’=y * Sy * Yf(1-Sy)

Last Answer : a.X’=x * Sx + Xf(1-Sx) & Y’=y * Sy + Yf(1-Sy)

Description : Scaling of a polygon is done by computing a.The product of (x, y) of each vertex b.(x, y) of end points c.Center coordinates d.Only a

Last Answer : d.Only a

Description : In 2D-translation, a point (x, y) can move to the new position (x’, y’) by usingthe equation a.x’=x+dx and y’=y+dx b.x’=x+dx and y’=y+dy c.X’=x+dy and Y’=y+dx d.X’=x-dx and y’=y-dy

Last Answer : b.x’=x+dx and y’=y+dy

Description : We translate a two-dimensional point by adding a.Translation distances b.Translation difference c.X and Y d.Only a

Last Answer : d.Only a

Description : In a CNC program block, N05 GO1 G91 G33 X20 Z-40 K5……, K refer to a.Depth of cut b.Pitch c.Multiple Threading Cycle d.Feed

Last Answer : b.Pitch

Description : In a CNC program block, N05 GO1 G91 G33 X20 Z-40……, G33 refer to a.Peck Drilling b.Counter Boring c.Thread Cutting d.Grooving

Last Answer : c.Thread Cutting

Description : Rotation about Z-axis is called…………. a.a-axis b.b-axis c.c-axis d.none of the mentioned

Last Answer : c.c-axis

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 : Cellular manufacturing is also known as_______ a.Manufacturing Technology b.Production Technology c.Group Technology d.None of the above

Last Answer : c.Group Technology

Description : ____ is also known as work volume of robot a.Work envelope b.Speed of movement c.Load carrying capacity d.Precision of movement

Last Answer : a.Work envelope

Description : In Selective Laser Sintering, laser light is also being used. a.TRUE b.FALSE c. d.

Last Answer : a.TRUE

Description : ……… are also called as parametric subroutines a.Micro b.Macro c.Sub Macro d.Sub Micro

Last Answer : b.Macro

Description : From the following, which method is also called as the Building Block Approach? a.Cellular Decomposition b.Spatial Occupancy Enumeration c.Generalized Sweeps d.Constructive Solid Geometry

Last Answer : d.Constructive Solid Geometry

Description : Shearing is also termed as a.Selecting b.Sorting c.Scaling d.Skewing

Last Answer : d.Skewing

Description : An ellipse can also be rotated about its center coordinates by rotating a.End points b.Major and minor axes c.Only a d.None

Last Answer : b.Major and minor axes