……… 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

……… 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
by

1 Answer

Answer :

d.Block
by

Related questions

Each coded instruction in a set of instructions is called as…… a.Words b.Alphabet c.Numbers d.Format

Description : Each coded instruction in a set of instructions is called as…… a.Words b.Alphabet c.Numbers d.Format

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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

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Last Answer : c.Canned Cycle

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

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Last Answer : b.Pitch

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

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Last Answer : c.Thread Cutting

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 interpolation in counter clockwise direction and absolute dimension c.circular interpolation in clockwise direction and incremental dimension d.circular interpolation in clockwise direction and absolute dimension

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

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

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

In CNC programming …….. is commonly used canned cycle for Stock removal cycle a.G71 b.G72 c.G73 d.G74

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

In CNC Program M98 is refer to…… a.CANCEL Subroutine b.Call Sub-Program c.Call Subroutine d.CANCEL Sub-Program

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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

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In which machine we get feedback? a.Lathe machine b.NC machine c.CNC machine d.Milling machine

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Last Answer : b.CNC

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

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Automatic tool change in CNC Machine code a.M05 b.M06 c.M07 d.M09

Description : Automatic tool change in CNC Machine code a.M05 b.M06 c.M07 d.M09

Last Answer : b.M06

Maximum spindle speed limitation code in CNC Machine a.G90 b.G91 c.G92 d.G93

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Last Answer : c.P-3, Q-4, R-2, S-1

……… 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

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he linking of computer with a communication system is called……….. a.networking b.pairing c.interlocking d.assembling

Description : he linking of computer with a communication system is called……….. a.networking b.pairing c.interlocking d.assembling

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Last Answer : a.Rotational or non rotational – Material – Size – Shape

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 faces – No. of edges + No. of vertices = 2 x No. of bodies d.No. of faces – No. of edges + No. of vertices = 4 x No. of bodies

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

Full form of MCU is………… a.Machine computer unit b.Machine control universal c.Machine control unit d.None of the above

Description : Full form of MCU is………… a.Machine computer unit b.Machine control universal c.Machine control unit d.None of the above

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……… are also called as parametric subroutines a.Micro b.Macro c.Sub Macro d.Sub Micro

Description : ……… are also called as parametric subroutines a.Micro b.Macro c.Sub Macro d.Sub Micro

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Secondary Linear Axes U,V & W are ……… to X,Y & Z-axis. a.Perpendicular b.Parallel c.Rotational d.All of the above

Description : Secondary Linear Axes U,V & W are ……… to X,Y & Z-axis. a.Perpendicular b.Parallel c.Rotational d.All of the above

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Rotation about Z-axis is called…………. a.a-axis b.b-axis c.c-axis d.none of the mentioned

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Description : Example for one – Dimensional element is . a.triangular element b.brick element c.truss element d.axisymmetric element

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Description : To determine the coefficients of the equation – two end-points and the two tangentvectors. This statement is true for which of the following? a.B-spline curve b.Hermite Cubic Spline Curve c.Beizer curve d.none of the above

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To determine the coefficients of the equation – two end-points and the two tangentvectors. This statement is true for which of the following a.B-spline curve b.Hermite Cubic Spline Curve c.Beizer curve d.none of the above

Description : To determine the coefficients of the equation – two end-points and the two tangentvectors. This statement is true for which of the following a.B-spline curve b.Hermite Cubic Spline Curve c.Beizer curve d.none of the above

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An area on a display device to which a window is mapped is called a…………. a.Window b.Viewpoint c.Pixel d.None of the above

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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)

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)

If the scaling factors values sx and sy are assigned to the same value then……… a.Uniform rotation is produced b.Uniform scaling is produced c.Scaling cannot be done d.Scaling can be done or cannot be done

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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

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The STL files translate the part geometry from a CAD system to________ a.CNC machine b.VMC machine c.RP machine d.CAPP machine

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

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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 compensation, the trajectory of the cutter will be a.(-5, 0), (-5, 35), (55, 35), (55,-5), (-5,-5) b.(0,-5), (55,-5), (55, 35), (-5, 35), (-5,-5) c.(5, 5), (5, 25), (45, 25), (45, 5), (5, 5) d.(5, 5), (45, 5), (45, 25), (5, 25), (5, 5)

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)

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

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In CNC machining tool radius compensation turning the left mode ON programming contourdone by a.G40 b.G41 c.G42 d.G43

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XY Plane Selection in CNC machining is done by….. a.G16 b.G17 c.G18 d.G19

Description : XY Plane Selection in CNC machining is done by….. a.G16 b.G17 c.G18 d.G19

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For CNC machining skilled part programmers are needed. a.TRUE b.FALSE c. d.

Description : For CNC machining skilled part programmers are needed. a.TRUE b.FALSE c. d.

Last Answer : a.TRUE

In how many ways CNC machine tool systems can be classified? a.2 b.3 c.4 d.5

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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

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

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

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

CNC machining centres do not include operations like a.milling b.boring c.welding d.tapping

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Last Answer : c.welding

Secondary code of the Opitz system is for_________ a.Design attributes b.Manufacturing attributes c.Production operation type & sequence d.Maintenance flow

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

Supplementary code of the Opitz system is for_________ a.Design attributes b.Manufacturing attributes c.Production operation type & sequence d.Maintenance flow

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Form code of the Opitz system is for_________ a.Design attributes b.Manufacturing attributes c.Production operation type & sequence d.Maintenance flow

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Last Answer : a.Design attributes

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.

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Last Answer : a.TRUE

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

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

NC contouring is an example of a.Continuous path positioning b.Point-to-point positioning c.Absolute positioning d.Incremental positioning

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Last Answer : a.Continuous path positioning

The repeatability of NC machine depends on a.control loop errors b.mechanical errors c.electrical errors d.none of the mentioned

Description : The repeatability of NC machine depends on a.control loop errors b.mechanical errors c.electrical errors d.none of the mentioned

Last Answer : b.mechanical errors

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 above mentioned operation? a.N010 GO2 X10 Y10 X5 Y5 R5 b.N010 GO3 X10 Y10 X5 Y5 R5 c.N010 GO1 X5 Y5 X10 Y10 R5 d.N010 GO2 X5 Y5 X10 Y10 R5

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