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 : 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 : From the following, which is an axisymmetric surface? a.Plane Surface b.Ruled Surface c.Surface of Revolution d.All of the above
Last Answer : c.Surface of Revolution
Description : are used to express the geometry or shape of theelement a.Mode shapes b.Shape functions c.Natural curves d.None of the above
Last Answer : b.Shape functions
Description : In synthetic curves, first-order continuity yields a.a position continuous curve b.a slope continuous curve c.a curvature continuous curve d.none of the above
Last Answer : b.a slope continuous curve
Description : In synthetic curves, zero-order continuity yields a.a position continuous curve b.a slope continuous curve c.a curvature continuous curve d.none of the above
Last Answer : a.a position continuous curve
Description : In synthetic curves, second-order continuity yields a.a position continuous curve b.a slope continuous curve c.a curvature continuous curve d.none of the above
Last Answer : c.a curvature continuous curve
Description : curves allow local control of the curve a.Analytical b.Hermite cubic spline c.Beizer d.B-Spline
Last Answer : d.B-Spline
Description : The tensor product technique constraints surfaces by two curves. 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 : 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 : Feed is measured in units of a.length/revolution b.degree/revolution c.length d.velocity
Last Answer : a.length/revolution
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 which system we get feedback? a.Open-loop system b.Machine control system c.Closed-loop system d.None of the above
Last Answer : c.Closed-loop system
Description : XY Plane Selection in CNC machining is done by….. a.G16 b.G17 c.G18 d.G19
Last Answer : b.G17
Description : The actual thickness of plane strain element is . a.very large b.very small c.assumed by software d.any of the above
Last Answer : a.very large
Description : When a thin plate is subjected to loading in its own plane only, the condition is called _ a.plane stress b.plane strain c.zero stress d.zero strain
Last Answer : a.plane stress
Description : A triangular plane stress element has how many degrees of freedom? a.3 b.4 c.5 d.6
Last Answer : d.6
Description : In modeling of a tabulated cylinder, the plane of the curve is _______ a.along the curve b.normal to the curve c.along the axis of the cylinder d.perpendicular to the axis of the cylinder
Last Answer : d.perpendicular to the axis of the cylinder
Description : Which of this is compulsory for 2D reflection? a.Reflection plane. b.Origin c.Reflection axis d.Co-ordinate axis.
Last Answer : c.Reflection axis
Description : Which of the following is NOT true?Image formed by reflection through a plane mirror is a.of same size b.same orientation c.is at same distance from the mirror d.virtual
Last Answer : b.same orientation
Description : The rotation axis that is perpendicular to the xy plane and passes through the pivot pointis known as a.Rotation b.Translation c.Scaling d.Shearing
Last Answer : a.Rotation
Description : Which CAD software cannot be used to create data for the prototyping machine? a.CREO b.CATIA c.NX Unigraphics d.Adobe Illustrator
Last Answer : d.Adobe Illustrator
Description : To create a hollow part, which of the following command would be most efficient a.Extrude b.Sweep c.Shell d.Revolve
Last Answer : c.Shell
Description : To create a hollow part, which of the following command would be most efficient? a.Extrude b.Sweep c.Shell d.Revolve
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 : 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 : 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
Description : The number of non-coincidental points required to define the simplest surface are a.4 b.3 c.2 d.5
Last Answer : b.3
Description : In the following geometric modelling techniques. which cannot be used for finiteelement analysis: a.Wireframe modelling b.Surface modelling c.Solid modeling d.none of the above
Last Answer : d.none of the above
Description : In the following three-dimensional modelling techniques. Which do not requiremuch computer time and memory? a.Surface modelling b.Solid modelling c.Wireframe modelling d.All of the above
Last Answer : c.Wireframe modelling
Description : In the following geometric modelling techniques which are not three-dimensionalmodelling? a.Wireframe modelling b.Drafting c.Surface modelling d.solid modelling
Last Answer : b.Drafting
Description : What refers to a system in which there is a flow of mass across its boundaries? a. Open system b. Closed system c. Isolated system d. Non-flow system
Last Answer : Open system
Description : What system in which there is no exchange of matter with the surrounding or mass does not cross its boundaries? a. Open system b. Closed system c. Isolated system d. Non-flow system
Last Answer : Closed system
Description : What system in which neither mass nor energy cross the boundaries and is not influenced by the surroundings? a. Closed system b. Open system c. Isolated system d. All of these
Last Answer : Isolated system
Description : A classification of a system in which mass crosses its boundaries. a. Closed System b. Open System c. Isolated System d. None of the above
Last Answer : Open System
Description : A classification of system in which mass does not cross its boundaries. a. Nonflow System b. Open System c. Closed System d. None of the above
Last Answer : Closed System
Description : Only energy can cross the boundaries. a. Closed system b. Open system c. Isolated system d. Isoenergetic system
Description : A closed system is one in which (a) mass does not cross boundaries of the system, though energy may do so (b) mass crosses the boundary but not the energy (c) neither mass nor energy ... (d) both energy and mass cross the boundaries of the system (e) thermodynamic reactions take place.
Last Answer : Answer : a
Description : The following is basically a material flow simplification technique a.A simple and visual method of cell design b.Family formation by classification and codification c.Cell formation using Production Flow Analysis d.All of the above
Last Answer : c.Cell formation using Production Flow Analysis
Description : Which of the following technique of grouping does not consider the design and shape aspect? a.A simple and visual method of cell design b.Family formation by classification and codification c.Cell formation using Production Flow Analysis d.All of the above