Description : The machine tool, in which calculation and setting of the operating conditions like depth ofcut, feed, speed are done during the machining by the control system itself, is called a.Computer Numerical Control System b.Direct Numerical Control System c.Machining Center System d.Adaptive Control System
Last Answer : d.Adaptive Control System
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 : During the execution of a CNC part program block NO20 GO2 X45.0 Y25.0 R5.0the type of tool motion will be a.circular Interpolation – clockwise b.circular Interpolation – counter clockwise c.linear Interpolation d.rapid feed
Last Answer : a.circular Interpolation – clockwise
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 : From which of the following is not the main element of Flexible manufacturing system a.Work handling system b.Material handling system c.Tool handling system d.Main frame computer
Last Answer : a.Work handling system
Description : From the following which is not the application of AGV. a.Truck loading and unloading b.To change the tool c.Material transfer d.Paper roll transfer
Last Answer : b.To change the tool
Description : Among the following, which one is the earliest step in Data Processing for RapidPrototyping? a.Model slicing b.Part orientation c.Tool path generation d.Support generation
Last Answer : b.Part orientation
Description : Among the following, which one is the last step in Data Processing for Rapid Prototyping? a.Model slicing b.Part orientation c.Tool path generation d.Support generation
Last Answer : c.Tool path generation
Description : In laminated object manufacturing (LOM), which of the following cutting strategy ispreferable? a.Directional scanning b.Zigzag tool paths c.Contouring and spiral paths d.Boundary cutting tool paths
Last Answer : d.Boundary cutting tool paths
Description : The lost motion in CNC machine tool is on account of a.Backlash in gearing b.Wind-up of drive shafts c.Deflection of machine tool members d.All the above
Last Answer : a.Backlash in gearing
Description : What is the full form of ATC? a.Automatic tool changer b.Arranged tool changer c.Automatic tool controller d.Arranged tool controller
Last Answer : a.Automatic tool changer
Description : Automatic tool change in CNC Machine code a.M05 b.M06 c.M07 d.M09
Last Answer : b.M06
Description : In CNC machining tool radius compensation turning the left mode ON programming contourdone by a.G40 b.G41 c.G42 d.G43
Last Answer : b.G41
Description : In the lathe it is the peripheral speed of the work piece cutting speed of tool is expressed inm/min, V is a.= ðœ‹ð·ð‘/1000 b.= ðœ‹ð·/1000 c.= ð·ð‘/1000 d.=ðœ‹ð·ð‘/10
Last Answer : a.= ðœ‹ð·ð‘/1000
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 : In how many ways CNC machine tool systems can be classified? a.2 b.3 c.4 d.5
Last Answer : b.3
Description : The tool of an NC machine has to move along a circular arc from (5, 5) to (10, 10) while performing an operation. The centre of the arc is at (10, 5). Which one of the following NC tool path command performs the ... b.N010 GO3 X10 Y10 X5 Y5 R5 c.N010 GO1 X5 Y5 X10 Y10 R5 d.N010 GO2 X5 Y5 X10 Y10 R5
Last Answer : a.N010 GO2 X10 Y10 X5 Y5 R5
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 : A cylinder can be created by drawing a rectangular shape using the ________ tool. a.revolve b.sweep c.extrude d.all of the above
Last Answer : a.revolve
Description : is defined as the ratio of the largest dimension of theelement to the smallest dimension. a.Element depth ratio b.Mode shape ratio c.Aspect ratio d.None of the above
Last Answer : c.Aspect ratio
Description : Feed is measured in units of a.length/revolution b.degree/revolution c.length d.velocity
Last Answer : a.length/revolution
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 : 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 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
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
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 : The number of non-coincidental points required to define the simplest surface are a.4 b.3 c.2 d.5
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 : 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 : he linking of computer with a communication system is called……….. a.networking b.pairing c.interlocking d.assembling
Last Answer : a.networking
Description : The process of putting data into a storage location is called a.reading b.writing c.controlling d.hand shaking
Last Answer : b.writing
Description : From the following which is the step of machine cell design? a.Divide parts into part families b.Select type of machine cell c.Prepare a composite part d.All of the above
Last Answer : d.All of the above
Description : Which of the following are problems with the current rapid prototyping and additivemanufacturing technologies? a.Limited material variety b.Inability to convert a solid part into layers c.Poor machinability of the starting material d.The inability of the designer to design the part
Last Answer : a.Limited material variety
Description : In the context of rapid prototyping and additive manufacturing, tessellation refers to theprocess of slicing the CAD model of the part into layers. a.Droplet Deposition Manufacturing b.Used-Deposition Modeling c.Laminated-Object Manufacturing d.Stereolithography
Last Answer : d.Stereolithography
Description : Which file format cannot be converted into STL file format? a..prt b..sld c..dwg d..stp
Last Answer : c..dwg
Description : __________ is one where mechanical forces or restricting forms are applied on a material so asto form it into the desired shape a.Subtractive process b.Additive process c.Formative process d.All of above
Last Answer : c.Formative process
Description : If the structure is more complex in order to simplify the model, we need to subdividethe structure into substructures. These substructures are termed as . a.elements b.modules c.links d.models
Last Answer : b.modules
Description : The art of subdividing the structure into a convenient number of smaller elements is knownas a.discretization b.assemblage c.continuum d.traction
Last Answer : a.discretization