Description : Find parametric equation for Y-coordinates of Hermite cubic spline curve having endpoints P0[4,4]; P1[8,5] a.2u3-3u2+2u+4 b.3u3-2u2-2u-4 c.2u3-3u2-2u-4 d.2u3+3u2+2u+4
Last Answer : a.2u3-3u2+2u+4
Description : Find parametric equation for X-coordinates of hermite cubic spline curve having endpoints P0[4,4]; P1[8,5] a.-5u3+8u2+u+1 b.5u3+8u2+u+1 c.8u3-5u2-u+1 d.8u3+5u2+u+1
Last Answer : a.-5u3+8u2+u+1
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 : ……… are also called as parametric subroutines a.Micro b.Macro c.Sub Macro d.Sub Micro
Last Answer : b.Macro
Description : Which of the following is not a method to describe a curve mathematically? a.Explicit form b.Laplace form c.Implicit form d.Parametric form
Last Answer : b.Laplace form
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 : 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 : 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 : 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)
Last Answer : b.(h.x, h.y, h)
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 : 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 : For Q 51, find coordinates of point on circle at u=0 a.11.6, 7 b.7, 11 c.11, 7 d.11.5, 7.5
Last Answer : a.11.6, 7
Description : For Q 51, find radius of circle a.3 b.3.6 c.4 d.3.5
Last Answer : b.3.6
Description : A circle is passing through two end points A[6,4] and B[10,10]. Find center point ofcircle a.7,8 b.8,8 c.8,7 d.7,7
Last Answer : c.8,7
Description : A circle is represented by center point [5,5] and radius 6 units. Find the parametricequation of circle and determine the various points on circle in first quadrant if increment in angle by 45o a.9.24,9.24 b.9.42,9.42 c.9,9 d.11,5
Last Answer : a.9.24,9.24
Description : Center point of circle a.[x1+x2]/2; [y1+y2]/2; [z1+z2]/2 b.[x1-x2]/2; [y1-y2]/2; [z1-z2]/2 c.[x1-x2]; [y1-y2]; [z1-z2] d.[x2-x1]; [y2-y1]; [z2-z1]
Last Answer : a.[x1+x2]/2; [y1+y2]/2; [z1+z2]/2
Description : Which of the following is not an analytical entity? a.Line b.Circle c.Spline d.Parabola
Last Answer : c.Spline
Description : In the following geometric primitives. which is not a solid entity of CSG modelling: a.Box b.Cone c.Cylinder d.Circle
Last Answer : d.Circle
Description : To change the position of a circle or ellipse we translate a.Center coordinates b.Center coordinates and redraw the figure in new location c.Outline coordinates d.All of the mentioned
Last Answer : b.Center coordinates and redraw the figure in new location
Description : In truss analysis, the reactions can be found by using the equation . a.R=KQ+F b.R=KQ-F c.R=K+QF d.R=K-QF
Last Answer : b.R=KQ-F
Description : To determine the coefficients of the equation – two end-points and the two tangentvectors. This statement is true for which of the following? a.B-spline curve b.Hermite Cubic Spline Curve c.Beizer curve d.none of the above
Last Answer : b.Hermite Cubic Spline Curve
Description : To determine the coefficients of the equation – two end-points and the two tangentvectors. This statement is true for which of the following a.B-spline curve b.Hermite Cubic Spline Curve c.Beizer curve d.none of the above
Description : The objects transformed using the equation P’=S*P should be a.Scaled b.Repositioned c.Both a and b d.Neither a nor b
Last Answer : c.Both a and b
Description : A straight line segment is translated by applying the transformation equation a.P’=P+T b.Dx and Dy c.P’=P+P d.Only c
Last Answer : a.P’=P+T
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
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 : 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 : We translate a two-dimensional point by adding a.Translation distances b.Translation difference c.X and Y 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 : 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 : 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 : In a CAD package, mirror image of a 2D point P (5, 10) is to be obtained about a line whichpasses through the origin and makes an angle of 45° counterclockwise with the X-axis. The coordinates of the transformed point will be a.(7.5, 5) b.(10, 5) c.(7.5, -5) d.(10, -5)
Last Answer : b.(10, 5)
Description : Incremental dimension in circular interpolation in X-axis is denoted by a.J b.I c.K d.None of the above
Last Answer : b.I
Description : Two lines are parallel when a.P1 X P2=0 b.P1 . P2=0 c.P1 = P2 d.P1+ P2=0
Last Answer : a.P1 X P2=0
Description : How many minimum numbers of zeros are there in ‘3 x 3’ triangular matrix? a.4 b.3 c.5 d.6
Last Answer : b.3
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
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 : Which one of the following statements is TRUE? a.Teach pendant is used for lead-through teaching. b.Teach pendant is used for manual teaching. c.Teach pendant is used for off-line teaching of robots. d.Teach pendant is not used in robot teaching.
Last Answer : b.Teach pendant is used for manual teaching.
Description : A company is producing 15000 mobiles annually. Determine production scale of company a.Low Production b.Medium Production c.High Production d.None
Last Answer : c.High Production
Description : --------is a manufacturing system in which sequence of operation is fixed by equipmentconfiguration a.Flexible b.Programmable c.Fixed d.All of above
Last Answer : c.Fixed
Description : Which manufacturing system is best suited for batch production a.Flexible b.Programmable c.Fixed d.All of above
Last Answer : b.Programmable
Description : Which automation is suited for high production quantities a.Flexible b.Programmable c.Fixed d.All of above