Description : What is the format for the prototyping machine file? a..prt b..slt c..stl d..iges
Last Answer : c..stl
Description : Which file format cannot be converted into STL file format? a..prt b..sld c..dwg d..stp
Last Answer : c..dwg
Description : STL file format is represented by interaction of ______ a.lines and hexagons b.lines and rectangles c.lines and triangles d.lines and circles
Last Answer : c.lines and triangles
Description : Which of the following is not a data interfacing format? a.STL b.SLC c.LEAF d.RP
Last Answer : d.RP
Description : STL consists of an unordered list of _______ facets representing the outside skin of an object. a.linear b.triangular c.square d.hexagonal
Last Answer : b.triangular
Description : STL file converts curved surfaces into_______ a.Polygons b.Lines c.Surfaces d.None of the above
Last Answer : a.Polygons
Description : Process of converting STL file model in to layers is called________in RP a.chopping b.slicing c.cutting d.trimming
Last Answer : b.slicing
Description : Choose the correct sequence to generate prototype a.3D CAD data - CAD solid model - STL file - RP prototype b.CAD solid model - 3D CAD data - RP prototype - STL file c.STL file - 3D CAD data - CAD solid model - RP prototype d.3D CAD data - STL file - CAD solid model - RP prototype
Last Answer : a.3D CAD data - CAD solid model - STL file - RP prototype
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 : STL files plague several problems as they contain no _______ data a.geographical b.analytical c.topological d.all of the above
Last Answer : c.topological
Description : In STL files when chord length decrease then accuracy _______ a.increase b.decrease c.may increase or may decrease d.remains constant
Last Answer : a.increase
Description : STL files contains ______ a.mass properties of the model b.geometrical data c.drawing data d.all of the above
Last Answer : b.geometrical data
Description : Slicing a part is easier in ______ a.B-rep method b.STL method c.CSG method d.PRT method
Last Answer : b.STL method
Description : The STL files translate the part geometry from a CAD system to________ a.CNC machine b.VMC machine c.RP machine d.CAPP machine
Last Answer : c.RP machine
Description : For rapid prototyping 3D CAD model should be converted into______file a.SGC b.SLA c.STL d.SLS
Last Answer : c.STL
Description : Full form of STL is _____ a.Straight-lithography b.Streto-lithography c.Stereo-lithography d.Straight-lipsography
Last Answer : c.Stereo-lithography
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 : The translation distances (dx, dy) is called as a.Translation vector b.Shift vector c.Both a and b d.Neither a nor b
Description : Which of the following is an optional section of IGES format? a.Start section b.Global section c.Terminate section d.Flag section
Last Answer : d.Flag section
Description : Which of the following is a data interfacing format? a.HP/GL b.ACER c.ASUS d.IBM
Last Answer : a.HP/GL
Description : Each coded instruction in a set of instructions is called as…… a.Words b.Alphabet c.Numbers d.Format
Last Answer : a.Words
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 : Which instruction are arranged as per the protocols of memory reference format of the input file in a simple ASCII sequence of integers between the range O to 99 separated by spaces without formatted text ... : a. Memory reference instruction b. Memory reference format c. Both d. None of these
Last Answer : a. Memory reference instruction
Description : From which of the following is robot programming language a.VAL b.AML c.ABD d.Both A & B
Last Answer : d.Both A & B
Description : From the following which material handling equipment is used in ladder layout of FMS a.Conveyor systems b.AGVS c.Both A & B d.None of the above
Last Answer : c.Both A & B
Description : From the following which is the function of material handling system used in FMS a.Handling of parts with different variety b.Independent movement of part between stations c.Both A & B d.None of the above
Last Answer : b.Independent movement of part between stations
Description : From the following which is the benefits of AGV. a.Reduction in man-hours b.Useful in hazardous area c.Both A & B d.None of the above
Description : In which layout manufacturing is done according to product's characteristics? a.Process layout b.GT layout c.Product layout d.Both A & B
Description : In the CNC machine which device used to hold the workpiece? a.Automatic pallet changer b.Automatic work part positioner c.A & B both d.None of the above
Last Answer : c.A & B both
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 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 : Secondary code of the Opitz system is for_________ a.Design attributes b.Manufacturing attributes c.Production operation type & sequence d.Maintenance flow
Last Answer : c.Production operation type & sequence
Description : Supplementary code of the Opitz system is for_________ a.Design attributes b.Manufacturing attributes c.Production operation type & sequence d.Maintenance flow
Last Answer : b.Manufacturing attributes
Description : Form code of the Opitz system is for_________ a.Design attributes b.Manufacturing attributes c.Production operation type & sequence d.Maintenance flow
Last Answer : a.Design attributes
Description : Which of the following is not the method of part family formation a.Visual inspection method b.Automatic product sorting c.Parts classification & coding d.Production flow analysis
Last Answer : b.Automatic product sorting
Description : To indicate the position of the workpiece ly & easily machine zero pint should be displacedto another point on the workpiece called… a.Workpiece zero Point b.machine Zero Point c.Start Point d.Program Zero point
Last Answer : a.Workpiece zero Point
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 : 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 : 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 : 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 : 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 : 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 : From which of the following is the type of computer aided process planning a.Variant process planning b.Generative process planning c.Both A &B d.None of the above
Last Answer : c.Both A &B
Description : From which of the following is the geometrical configuration of robot a.Cylindrical configuration b.Polar configuration c.Both A& B d.None of the above
Last Answer : c.Both A& B
Description : From the following which is the type of FMS layout a.In line layout b.Ladder layout c.Both A &B d.None of the above
Description : With reference to NC machines, which of the following statements is wrong a.Both closed-loop and open-loop control systems are used b.Paper tapes, floppy tapes and cassettes are used for data storage c.Digitizers may be used as interactive input devices d.Post processor is an item of hardware
Last Answer : c.Digitizers may be used as interactive input devices
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 : The Bezier curve is smoother than the Hermite cubic spline because it has _________ orderderivatives. a.lower b.higher c.lower and higher both d.none of the above
Last Answer : b.higher
Description : The curve that follows a convex hull property is: a.Cubic spline b.B-spline c.Bezier curve d.Both (b) and (c)
Last Answer : b.B-spline
Description : Which numbering format is used to represent both numbers and letters on a keyboard? 79) A) octal B) ASCII C) hexadecimal D) BCD
Last Answer : B) ASCII