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

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

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

Control loop unit of M.C.U is always a.a hardware unit b.a software unit c.a control unit d.none of the mentioned

Description : Control loop unit of M.C.U is always a.a hardware unit b.a software unit c.a control unit d.none of the mentioned

Last Answer : a.a hardware unit

In which system we get feedback? a.Open-loop system b.Machine control system c.Closed-loop system d.None of the above

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

Computer will perform the data processing functions in a.NC b.CNC c.DNC d.None of the mentioned

Description : Computer will perform the data processing functions in a.NC b.CNC c.DNC d.None of the mentioned

Last Answer : b.CNC

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

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

Last Answer : c.CNC machine

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

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

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

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

……… 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

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

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.

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

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

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

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 are a.N010 GO3 X7.0 Y2.0 I5.0 J2.0 b.N010 GO2 X7.0 Y2.0 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

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

Annual total energy & production chart smoothens out ____ in energy timing of meter readings. a) Errors b) Efficiency c) Accuracy. d) Repeatability

Description : Annual total energy & production chart smoothens out ____ in energy timing of meter readings. a) Errors b) Efficiency c) Accuracy. d) Repeatability

Last Answer : errors

From the following in which FMS layout robots are used as material handling system a.Ladder layout b.Open field layout c.Loop layout d.Robot centered layout

Description : From the following in which FMS layout robots are used as material handling system a.Ladder layout b.Open field layout c.Loop layout d.Robot centered layout

Last Answer : d.Robot centered layout

From the following which FMS layout is combination of many loop and ladder layout a.Ladder layout b.Open field layout c.Loop layout d.None of the above

Description : From the following which FMS layout is combination of many loop and ladder layout a.Ladder layout b.Open field layout c.Loop layout d.None of the above

Last Answer : b.Open field layout

From the following in which FMS layout workstations are arranged in a loop with rungs a.Ladder layout b.Open field layout c.Loop layout d.None of the above

Description : From the following in which FMS layout workstations are arranged in a loop with rungs a.Ladder layout b.Open field layout c.Loop layout d.None of the above

Last Answer : a.Ladder layout

From the following in which FMS layout workstations are arranged in a loop a.Ladder layout b.In line layout c.Loop layout d.None of the above

Description : From the following in which FMS layout workstations are arranged in a loop a.Ladder layout b.In line layout c.Loop layout d.None of the above

Last Answer : c.Loop layout

Numerical control a.applies only to milling machines b.is a method for producing exact number of parts per hour c.is a method for controlling by means of set of instructions d.None of the mentioned

Description : Numerical control a.applies only to milling machines b.is a method for producing exact number of parts per hour c.is a method for controlling by means of set of instructions d.None of the mentioned

Last Answer : c.is a method for controlling by means of set of instructions

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

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

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

Last Answer : c.Machine control unit

____ grippers are used to transfer ferrous material a.Magnetic grippers b.Mechanical grippers c.Adhesive grippers d.Vacuum cup grippers

Description : ____ grippers are used to transfer ferrous material a.Magnetic grippers b.Mechanical grippers c.Adhesive grippers d.Vacuum cup grippers

Last Answer : a.Magnetic grippers

____ grippers are used to pick up light weight materials such as paper,cloth etc a.Mechanical grippers b.Adhesive grippers c.Vacuum cup grippers d.Magnetic grippers

Description : ____ grippers are used to pick up light weight materials such as paper,cloth etc a.Mechanical grippers b.Adhesive grippers c.Vacuum cup grippers d.Magnetic grippers

Last Answer : b.Adhesive grippers

____ is a collection of mechanical linkage connected by joints a.End effector b.Gripper c.Sensor d.Manipulator

Description : ____ is a collection of mechanical linkage connected by joints a.End effector b.Gripper c.Sensor d.Manipulator

Last Answer : d.Manipulator

__________ 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

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

If the size of the elements is small, the final solution is expected to be accurate. a.more b.less c.depends on other factors d.can't say

Description : If the size of the elements is small, the final solution is expected to be accurate. a.more b.less c.depends on other factors d.can't say

Last Answer : a.more

Stiffness matrix depends on a.material b.geometry c.both material and geometry d.none of the above

Description : Stiffness matrix depends on a.material b.geometry c.both material and geometry d.none of the above

Last Answer : c.both material and geometry

Number of displacement polynomials used for an element depends on . a.nature of element b.type of an element c.degrees of freedom d.nodes

Description : Number of displacement polynomials used for an element depends on . a.nature of element b.type of an element c.degrees of freedom d.nodes

Last Answer : c.degrees of freedom

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

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

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

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

Rotation of spindle is designated by one of the following axis: a.a-axis b.b-axis c.c-axis d.none of the mentioned

Description : Rotation of spindle is designated by one of the following axis: a.a-axis b.b-axis c.c-axis d.none of the mentioned

Last Answer : d.none of the mentioned

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

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

Last Answer : c.c-axis

The term that is used for geometric modelling like solid modelling, wire frame modellingand drafting is known as a.software package b.operating system c.application software d.none of the mentioned

Description : The term that is used for geometric modelling like solid modelling, wire frame modellingand drafting is known as a.software package b.operating system c.application software d.none of the mentioned

Last Answer : a.software package

Which two disciplines are tied by a common database? a.documentation and geometric modeling b.CAD and CAM c.drafting and documentation d.none of the mentioned

Description : Which two disciplines are tied by a common database? a.documentation and geometric modeling b.CAD and CAM c.drafting and documentation d.none of the mentioned

Last Answer : b.CAD and CAM

To generate a rotation , we must specify a.Rotation angle θ b.Distances dx and dy c.Rotation distance d.All of the mentioned

Description : To generate a rotation , we must specify a.Rotation angle θ b.Distances dx and dy c.Rotation distance d.All of the mentioned

Last Answer : a.Rotation angle θ

A two dimensional rotation is applied to an object by a.Repositioning it along with straight line path b.Repositioning it along with circular path c.Only b d.Any of the mentioned

Description : A two dimensional rotation is applied to an object by a.Repositioning it along with straight line path b.Repositioning it along with circular path c.Only b d.Any of the mentioned

Last Answer : c.Only b

The basic geometric transformations are a.Translation b.Rotation c.Scaling d.All of the mentioned

Description : The basic geometric transformations are a.Translation b.Rotation c.Scaling d.All of the mentioned

Last Answer : d.All of the mentioned

To change the position of a circle or ellipse we translate a.Center coordinates b.Center coordinates and redraw the figure in new location c.Outline coordinates d.All of the mentioned

Description : To change the position of a circle or ellipse we translate a.Center coordinates b.Center coordinates and redraw the figure in new location c.Outline coordinates d.All of the mentioned

Last Answer : b.Center coordinates and redraw the figure in new location

-------is a rigid body transformation that moves objects without deformation. a.Rotation b.Scaling c.Translation d.All of the mentioned

Description : -------is a rigid body transformation that moves objects without deformation. a.Rotation b.Scaling c.Translation d.All of the mentioned

Last Answer : c.Translation

A translation is applied to an object by D a.Repositioning it along with straight line path b.Repositioning it along with circular path c.Only b d.All of the mentioned

Description : A translation is applied to an object by D a.Repositioning it along with straight line path b.Repositioning it along with circular path c.Only b d.All of the mentioned

Last Answer : a.Repositioning it along with straight line path

The technology is defined as the sophistication of a plant ,any equipment or any machine etc a.TRUE b.FALSE c.D d.

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

____ is a general purpose, programmable machine possessing certain human like characteristics a.Robot b.Manipulator c.Gripper d.None of the above

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

____ is a highly automated group of GT machine cell. a.Flexible manufacturing system b.Group technology c.Automated system d.None of the above

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

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

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

In which layout manufacturing is done according to machine arrangement a.GT layout b.Product layout c.Process layout d.Hybrid layout

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

Which CAD software cannot be used to create data for the prototyping machine? a.CREO b.CATIA c.NX Unigraphics d.Adobe Illustrator

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

What is the format for the prototyping machine file? a..prt b..slt c..stl d..iges

Description : What is the format for the prototyping machine file? a..prt b..slt c..stl d..iges

Last Answer : c..stl

Which of the following is one of the design process steps? a.Build b.Concept c.Pre-processing d.Transfer to machine

Description : Which of the following is one of the design process steps? a.Build b.Concept c.Pre-processing d.Transfer to machine

Last Answer : b.Concept

Which of the following is the process in the RP cycle? a.Post-processing b.Transfer to machine c.Pre-processing d.All of the above

Description : Which of the following is the process in the RP cycle? a.Post-processing b.Transfer to machine c.Pre-processing d.All of the above

Last Answer : d.All of the above

Which of the following is least important in design during rapid prototyping? a.Machine size b.Tolerance c.Material d.CAD software

Description : Which of the following is least important in design during rapid prototyping? a.Machine size b.Tolerance c.Material d.CAD software

Last Answer : b.Tolerance

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

Last Answer : c.RP machine