DJF5032 - CADCAM
CAD stands for
Computer aided drawing
Computer aided design
Computer abetted design
Computer abetted drawing
2D CAD is used to draw
Top view design and plans
3D components
Top view design
2D components
3D CAD is used to draw
Top view design and plans
3D components
Top view design
2D components
CAM is
Computer Aided Making
Computer Abetted Manufacting
Computer Abetted Making
Computer Aided Manufacturing
The use of computers to draw plans for a product or service applying pre-programmed parameters that describe the desired finished product is called
Computer aided engineering
Computer aided manufacturing
Computer aided design
Computer abetted drawing
The use of computers to control the operation of production process is known
CAD
CAE
CAM
CAQ
How has CAM negatively impacted workshops?
Intelligent machine can read the CAD designs directly
Skilled people need to retrain or lose their job
Human error is removed
Production can be speed up
Which of the following is not a disadvantage of CAD?
The software has a lot different tools for drawing
Users need to learn a lot before they can use CAD effectively
You need a powerful monitor and high quality screen
CAD packages can be very expensive
Which of the following is a way CAD does not help team working
Designs can be emailed or stored on a server so more than one person can access them
Copies of designs can be printed using a plotter or A3 printer
The software can check the design meets rules
Parts can be designed by different people and the software can check they fit together
Which of the following is not true about Traditional design work?
Drawing plans by hand takes time and needs a lot of accuracy
Different views need to be drawn manually
If a part of a plan goes wrong then it all needs to be redrawn
If an error is not detected the product will still be okay
The heart of a computer is
CPU
ALU
Monitor
Keyboard
The widely employed computer architecture for CAD/CAM application is
Mainframe-based system
Minicomputer-based system
Microcomputer-based system
Workstation-based system
Keyboard is a _____ input device
Graphical
Text
Numerical
All the above
Mouse is a _____ type of input device.
Text
Graphical
Locating
All the above
Light pen is a
Writing device
Drawing device
Locating device
Lighting device
The software that is used for file manipulations, managing directories and subdirectories, programming and accounts setups is known as
Graphic software
Operating system
Application software
Programming language
The software that provide users with various function to perform geometric modelling and construction, editing and manipulation of existing geometry, drafting and documentation is known as
Graphic software
Operating system
Application software
Programming language
The software use for the purpose of mass property calculations, assembly analysis, tolerance analysis, finite element analysis, mechanism analysis, sheet metal design, analysis of plastic injection molding and animation technique is
Graphic software
Operating system
Application software
Programming language
The software that enables the user to implement custom applications or modify the system for specialized needs is known as
Graphic software
Operating system
Application software
Programming language
In the following geometric modelling techniques which are not three-dimensional modelling?
Wireframe modelling
Drafting
Surface modelling
Solid modelling
In the following three-dimensional modelling techniques, which do not require much computer time and memory?
Surface modelling
Solid modelling
Wireframe modelling
All the above
The number of lines required to represent a cube in a wireframe model is
8
6
12
16
Computer will perform the data processing functions in
NC
CNC
DNC
ACS
CNC drilling machine is considered to be a
Point-to-point controlled machine
Straight line controlled machine
Continuous path controlled machine
Servo-controlled machine
The axis of turning machine are
Z and X -axis
X and Y -axis
Z and Y-axis
X,Y and Z-axis
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