The number of non-coincidental points required to define the simplest surface are a.4 b.3 c.2 d.5

1 Answer

Answer :

b.3

Related questions

Description : QFor generating Coons patch we require a.A set of grid points on surface b.A set of control points c.Four bounding curves defining surface d.Two bounding curves and a set of grid control points

Last Answer : c.Four bounding curves defining surface

Description : The minimum number of dimensions are required to define the position of a point in spaceis . a.3 b.4 c.1 d.2

Last Answer : a.3

Description : Sensors which are come in contact with some surface to measured desired physical variable areknown as____ a.Non-contact sensors b.Proximity sensors c.Contact sensors d.None of the above

Last Answer : c.Contact sensors

Description : The degree of the curve is independent of the number of control points in _____ a.Hermite cubic spline curve b.Bezier curve c.B-spline curve d.Hyperbola

Last Answer : c.B-spline curve

Description : In Beizer Curve, the flexibility of the shape would increase with _______ of the polygon. a.decrease in the number of vertices b.increase in the number of vertices c.decrease in control points d.none of the above

Last Answer : b.increase in the number of vertices

Description : The degree of the curve is independent of the number of control points in . a.Hermite cubic spline curve b.Bezier curve c.B-spline curve d.Hyperbola

Last Answer : c.B-spline curve

Description : The number of control points can be added orsubtracted in . a.Bezier curve b.B-spline curve c.Cubic spline curve d.all of the above

Last Answer : b.B-spline curve

Description : In Beizer Curve, the flexibility of the shape would increase with a.decrease in the number of vertices b.increase in the number of vertices c.decrease in control points d.none of the above

Last Answer : b.increase in the number of vertices

Description : In finish machining of an island on a casting with CNC milling machine, an end mill with 10 mm diameter is employed. The corner points of the island are represented by (0, 0), (0, 30), (50, 30) and (50, 0). By applying cutter radius right ... , 5), (5, 5) d.(5, 5), (45, 5), (45, 25), (5, 25), (5, 5)

Last Answer : a.(-5, 0), (-5, 35), (55, 35), (55,-5), (-5,-5)

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 : 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 : 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 : A line AB with end point A (2,3) & B (7,8) is to be rotated about origin by 300 inclockwise direction. Determine the coordinates of end points S of rotated line. a.(3.232, 2.598) b.(5.232, 3.598) c.(3.232, 1.298) d.(3.232, 1.598)

Last Answer : d.(3.232, 1.598)

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 : In Beizer Curve, the curve follows __________ a.the control points b.the shape of the defining polygon c.the defining points d.none of the above

Last Answer : b.the shape of the defining polygon

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 : Mathematically, the ellipse is a curve generated by a point moving in space such that atany position the sum of its distances from two fixed points (foci) is constant and equal to a.the major diameter b.the minor diameter c.semi major diameter d.semi-minor diameter

Last Answer : a.the major diameter

Description : Synthetic curve pass through defined data points and thus can be represented by a.polynomial equations b.exponential equations c.partial differential equations d.differential equations

Last Answer : a.polynomial equations

Description : When a smooth curve is approximated through the data points, then the curve is knownas a.approximation curve b.pitch curve c.data curve d.interpolant curve

Last Answer : a.approximation curve

Description : When the curve passes through all the data points, then the curve is known as a.approximation curve b.pitch curve c.data curve d.interpolant curve

Last Answer : d.interpolant curve

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 : In Beizer Curve, the curve follows a.the control points b.the shape of the defining polygon c.the defining points d.none of the above

Last Answer : b.the shape of the defining polygon

Description : When a smooth curve is approximated through the data points, then the curve isknown as a.interpolant curve b.approximation curve c.pitch curve d.data curve

Last Answer : b.approximation curve

Description : Mathematically, the ellipse is a curve generated by a point moving in space such thatat any position the sum of its distances from two fixed points (foci) is constant and equal to a.the major diameter b.the minor diameter c.semi major diameter d.semi-minor diameter

Last Answer : a.the major diameter

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 : The degree of the Bezier curve with n control points is a.n + 1 b.n - 1 c.n d.2n

Last Answer : a.n + 1

Description : The shape of Bezier curve is controlled by a.Control points b.Knots c.End points d.All the above

Last Answer : a.Control points

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 : 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

Description : Positive values for the rotation angle θ defines a.Counter clockwise rotations about the end points b.Counter clockwise translation about the pivot point c.Counter clockwise rotations about the pivot point d.Negative direction

Last Answer : c.Counter clockwise rotations about the pivot point

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 : The number of tangents required to describe cubic splines is a.2 b.1 c.3 d.4

Last Answer : b.1

Description : Digit 5 in Opitz system is for_________ a.Part class b.Main shape c.Additional holes, teeth and forming d.Plane surface machining

Last Answer : c.Additional holes, teeth and forming

Description : Explicit support structures are not required in Selective Laser Sintering (SLS). a.TRUE b.FALSE c. d.

Last Answer : a.TRUE

Description : Support structures are required for ______ a.thin portions b.thick portions c.overhanging portions d.all of the above

Last Answer : c.overhanging portions

Description : Digit 4 in Opitz system is for_________ a.Part class b.Main shape c.Rotational machining d.Plane surface machining

Last Answer : d.Plane surface machining

Description : Digit 3 in Opitz system is for_________ a.Part class b.Main shape c.Rotational machining d.Plane surface machining

Last Answer : c.Rotational machining

Description : Digit 2 in Opitz system is for_________ a.Part class b.Main shape c.Rotational machining d.Plane surface machining

Last Answer : b.Main shape

Description : Digit 1 in Opitz system is for_________ a.Part class b.Main shape c.Rotational machining d.Plane surface machining

Last Answer : a.Part class

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 : Which material gives finest surface finish in RP? a.ABS b.PLA c.Nylon d.INF

Last Answer : b.PLA

Description : Which of the following can not be the input of CAD solid model? a.Physical mockup b.2D surface data c.Tooling d.3D CAD data

Last Answer : c.Tooling

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 : he depth that the tool is plunged into the surface is called as a.feed b.depth of cut c.depth of tool d.working depth

Last Answer : b.depth of cut

Description : The truss element can resist only a.surface force b.axial force c.point load d.none of the above

Last Answer : b.axial force

Description : The ___________ is used to create a surface using curves that form closed boundaries a.ruled Surface b.plane Surface c.coons patch d.surface of Revolution

Last Answer : c.coons patch

Description : Which kind of model can store information about geometry a.Solid model b.Surface model c.Wireframe model d.none of the above

Last Answer : a.Solid model

Description : B-rep and C-Rep are the methods of a.solid modeling b.surface modeling c.wireframe modeling d.2D modeling

Last Answer : a.solid modeling