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 : From the following which material handling equipment is used in Robot centered layout of FMS a.Industrial Robot b.Conveyor systems c.Rail guided vehicle system d.None of the above
Last Answer : a.Industrial Robot
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 : Which one of the following is not Extrusion-Based RP Systems? a.Fused Deposition Modelling (FDM) b.3D Printing c.Sheet Lamination (Laminated Object Manufacturing (LOM)) d.Electron Beam melting (EBM)
Last Answer : d.Electron Beam melting (EBM)
Description : Which of the following RP system is not developed by 3D systems? a.Selective Laser Sintering (SLS) b.Multi-Jet Modeling System (MJM) c.Paper Lamination Technology (PLT) d.Stereolithography Apparatus (SLA)
Last Answer : c.Paper Lamination Technology (PLT)
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 : In how many ways CNC machine tool systems can be classified? a.2 b.3 c.4 d.5
Last Answer : b.3
Description : In CNC systems multiple microprocessors and programmable logic controllers work a.in parallel b.in series c.one after the other d.for 80% of the total machining time
Last Answer : a.in parallel
Description : NC contouring is an example of a.Continuous path positioning b.Point-to-point positioning c.Absolute positioning d.Incremental positioning
Last Answer : a.Continuous path positioning
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 : Which of the following code will give point to point movement? a.G00 b.G01 c.G56 d.G94
Last Answer : a.G00
Description : Which of the following code is used to return to a reference point? a.G23 b.G28 c.G14 d.G19
Last Answer : b.G28
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 : ……… 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 : In , the coordinates are mentioned in the program with respect to onePrevious point. a.Incremental System b.Absolute System c.Datum System d.Screen Coordinates System
Last Answer : a.Incremental System
Description : In , the coordinates are mentioned in the program with respect to onereference point a.Incremental System b.Absolute System c.Datum System d.Screen Coordinates System
Last Answer : b.Absolute System
Description : An absolute NC system is one in which all position coordinates are referred to one fixedorigin called the zero point. a.TRUE b.FALSE c. d.
Last Answer : a.TRUE
Description : n an NC machining operation, the tool has to be moved from point (5, 4) to point (7, 2) alonga circular path with centre at (5, 2). Before starting the operation, the tool is at (5, 4). The G and N codes for this motion ... 0 I5.0 J2.0 c.N010 GO1 X7.0 Y2.0 I5.0 J2.0 d.N010 GOO X7.0 Y2.0 I5.0 J2.0
Last Answer : b.N010 GO2 X7.0 Y2.0 I5.0 J2.0
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 : 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 : 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 parabola is defined mathematically as a curve generated by a point that moves suchthat its distance from the focus is always__________the distance to the directrix a.larger than b.smaller than c.equal to d.none of the above
Last Answer : c.equal to
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 : C†continuity refers to a.Common tangent b.Common curvature c.Common point d.Common normal
Last Answer : a.Common tangent
Description : C‘ continuity refers to a.Common tangent b.Common curvature c.Common point d.Common normal
Last Answer : b.Common curvature
Description : C0 continuity refers to a.Common tangent b.Common curvature c.Common point d.Common normal
Last Answer : c.Common point
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 : 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 : The curve is defined as the locus of a point moving with _ degree of freedom a.0 b.1 c.2 d.3
Last Answer : b.1
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
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 : General pivot point rotation can be expressed as a.T(zr,yr).R(θ).T(-zr,-yr) = R(xr,yr,θ) b.T(xr,yr).R(θ).T(-xr,-yr) = R(xr,yr,θ) c.T(xr,yr).R(θ).T(-xr,-yr) = R(zr,yr,θ) d.T(xr,yr).R(θ).T(-xr,-yr) = R(zr,yr,θ)
Last Answer : b.T(xr,yr).R(θ).T(-xr,-yr) = R(xr,yr,θ)
Description : We control the location of a scaled object by choosing the position is knownas……………………………. a.Pivot point b.Fixed point c.Differential scaling d.Uniform scaling
Last Answer : b.Fixed point
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 : Rotation is simply---------object w.r.t origin or centre point. a.Turn b.Shift c.Compression d.Drag element
Last Answer : a.Turn
Description : From the following, which one will require 4 matrices to multiply to get the final position? a.Rotation about the origin b.Rotation about an arbitrary Point c.Rotation about an arbitrary line d.Scaling about the origin
Last Answer : b.Rotation about an arbitrary Point
Description : The original coordinates of the point in polar coordinates are a.X’=r cos (Ф +ϴ) and Y’=r cos (Ф +ϴ) b.X’=r cos (Ф +ϴ) and Y’=r sin (Ф +ϴ) c.X’=r cos (Ф -ϴ) and Y’=r cos (Ф -ϴ) d.X’=r cos (Ф +ϴ) and Y’=r sin (Ф -ϴ)
Last Answer : b.X’=r cos (Ф +ϴ) and Y’=r sin (Ф +ϴ)
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 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 : 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 : 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
Description : A use computer to automatically generate process plans is? a.Lower-level strategies b.Intermediate strategies c.Higher-level strategies d.Morden-level strategies
Last Answer : c.Higher-level strategies
Description : Use computers for storage and retrieval of the data for the process plans are? a.Lower-level strategies b.Intermediate strategies c.Higher-level strategies d.Morden-level strategies
Last Answer : a.Lower-level strategies