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 : Match the following: NC code DefinitionP. M05 1. Absolute coordinate system Q. G01 2. Dwell R. G04 3. Spindle stop S. G09 4. Linear interpolation a.P-2, Q-3, R-4, S-1 b.P-3, Q-4, R-1, S-2 c.P-3, Q-4, R-2, S-1 d.P-4, Q-3, R-2, S-1
Last Answer : c.P-3, Q-4, R-2, S-1
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 : 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 : Maximum spindle speed limitation code in CNC Machine a.G90 b.G91 c.G92 d.G93
Last Answer : c.G92
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 : 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 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 : 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 : In which machine we get feedback? a.Lathe machine b.NC machine c.CNC machine d.Milling machine
Last Answer : c.CNC machine
Description : Repetitive CNC machine operations conveniently performing and execute with onecommand instead of programming of series of individual move called ….. a.Common Cycle b.Incremental Programming c.Canned Cycle d.None of the above
Last Answer : c.Canned Cycle
Description : ……… is a group of words or coded instruction for the NC/CNC system to execute aparticular movement. a.Sequence b.Address c.Code d.Block
Last Answer : d.Block
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 : Which one of the process is subtractive prototyping? a.5 axis CNC Milling b.Fused Deposition Modeling c.Multi-Jet Modeling d.Stereolithography Apparatus
Last Answer : a.5 axis CNC Milling
Description : XY Plane Selection in CNC machining is done by….. a.G16 b.G17 c.G18 d.G19
Last Answer : b.G17
Description : In CNC programming …….. is commonly used canned cycle for Stock removal cycle a.G71 b.G72 c.G73 d.G74
Last Answer : d.G74
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 : In CNC Program M98 is refer to…… a.CANCEL Subroutine b.Call Sub-Program c.Call Subroutine d.CANCEL Sub-Program
Last Answer : b.Call Sub-Program
Description : In CNC Program M03 is refer to…… a.Spindle ON in Clockwise rotation b.Spindle ON in Counter Clockwise rotation c.Spindle OFF in Clockwise rotation d.Spindle OFF in Counter Clockwise rotation
Last Answer : a.Spindle ON in Clockwise rotation
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 : For CNC machining skilled part programmers are needed. a.TRUE b.FALSE c. d.
Last Answer : a.TRUE
Description : Which of the following is not the advantage of CNC machines? a.Higher flexibility b.Improved quality c.Reduced scrap rate d.Improved strength of the components
Last Answer : d.Improved strength of the components
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 : CNC machining centres do not include operations like a.milling b.boring c.welding d.tapping
Last Answer : c.welding
Description : Computer will perform the data processing functions in a.NC b.CNC c.DNC d.None of the mentioned
Last Answer : b.CNC
Description : In a CNC program block, N02 GO2 G91 X40 Z40††, GO2 and G91 refer to a.circular interpolation in counter clockwise direction and incremental dimension b.circular ... in clockwise direction and incremental dimension d.circular interpolation in clockwise direction and absolute dimension
Last Answer : c.circular interpolation in clockwise direction and incremental dimension
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 : 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 : 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 : 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 : What is the full form of AS/RS in FMS? a.Automated storage and recovery system b.Automatic storage and rotary system c.Automated storage and retrieval system d.Automated storage and regenerative system
Last Answer : c.Automated storage and retrieval system
Description : From the following what is the full form of AGV? a.Automatic Guided Vehicle b.Automated Gas Vehicle c.Automated Guided Vehicle d.None of the above
Last Answer : c.Automated Guided Vehicle
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 : 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 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 : 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 : 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 : 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 : The technology is defined as the sophistication of a plant ,any equipment or any machine etc a.TRUE b.FALSE c.D d.
Last Answer : b.FALSE
Description : ____ is a general purpose, programmable machine possessing certain human like characteristics a.Robot b.Manipulator c.Gripper d.None of the above
Last Answer : a.Robot
Description : From the following in which FMS layout machine tools are kept along a straight line. a.Loop layout b.In line layout c.Ladder layout d.Open field layout
Last Answer : b.In line layout
Description : ____ is a highly automated group of GT machine cell. a.Flexible manufacturing system b.Group technology c.Automated system d.None of the above
Last Answer : a.Flexible manufacturing system
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 : In which layout manufacturing is done according to machine arrangement a.GT layout b.Product layout c.Process layout d.Hybrid layout
Last Answer : c.Process layout
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 : What is the format for the prototyping machine file? a..prt b..slt c..stl d..iges
Last Answer : c..stl