CAD

Question 1

line, circle, ellipse, arc, and rectangle tools do what?

Answer 1

Draws the shape selected

Question 2

Copy tool does what?

Answer 2

Copies and positions objects without having to recreate them.

Question 3

Zoom tool does what?

Answer 3

Enlarges on screen view

Question 4

Mirror tool does what?

Answer 4

Creates a mirror image of the object

Question 5

The trim tool does what?

Answer 5

Trims the end off a line/object

Question 6

Rotate tool does what?

Answer 6

Turns an object to any angle

Question 7

Scale tool does what?

Answer 7

Changes the size of an object

Question 8

Import tool does what?

Answer 8

Brings an object into your design from another source

Question 9

Export tool does what?

Answer 9

Removes the object from my design to another source

Question 10

Pattern fill tool does what?

Answer 10

Fills the shape selected with a colour, pattern, texture

Question 11

Array(linear, box, radial) tool does what?

Answer 11

linear - repeats the object in a straight line
Box - Repeats the object in a square shape
Radial - Repeats the object in a circular shape

Question 12

What does the offset tool do?

Answer 12

Used to create parallel lines, concentric circles and parallel curves

Question 13

What does the project edge tool do?

Answer 13

Repeats the object on a different plane

Question 14

What does the extend tool do?

Answer 14

Extends the selected boundaries or edges

Question 15

What does the fillet tool do?

Answer 15

Curves the edge of an object

Question 16

What does the chamfer tool do?

Answer 16

Adding a 45’ sloped edge to an object

Question 17

What does the extrude tool do? (3D)

Answer 17

Pulls a 2d profile into a 3d profile

Question 18

What does the revolve tool do? (3D)

Answer 18

A profile that is rotated around an axis

Question 19

What does a subtract tool do? (3D)

Answer 19

The material is removed from an object

Question 20

What is an assembly?

Answer 20

Multiple components combined to create a model

Question 21

What does the shell tool do?

Answer 21

Remove material from the inside of a 3D model to a specified wall thickness

Question 22

What does Align do?

Answer 22

To align the face of a 3D model with another face

Question 23

What is the centre axis?

Answer 23

To align cylindrical objects, circular edges or faces

Question 24

What is a component?

Answer 24

A single component part used to create an assembly later on

Question 25

What is mate?

Answer 25

To join the face of a 3D model to another

Question 26

What is a CAD library?

Answer 26

A directory of commonly used parts

Question 27

What is a sketch?

Answer 27

The name given to a CAD drawing feature used to create a profile

Question 28

What is an assembly?

Answer 28

Multiple parts constrained together

Question 29

What is a sub-assembly?

Answer 29

A smaller assembly in another assembly

Question 30

What is a work plane/plane?

Answer 30

A starting point for sketching

Question 31

What does datum mean?

Answer 31

a point on the model

Question 32

What is top-down modelling?

Answer 32

Creating parts in the assembly so they are pre - constrained

Question 33

What is bottom-up modelling?

Answer 33

Creating all components separately then assembling them all together

Question 34

what are vertices?

Answer 34

The corners or where edges meet on a 3D object

Question 35

What is a modelling tree/hierarchy?

Answer 35

The list and order in with a CAD model is created

Question 36

What is a modelling plan?

Answer 36

A plan created before starting to create a 3D CAD model

Question 37

DXF stands for what?

Answer 37

Drawing exchange format

Question 38

What is DXF?

Answer 38

A file format is used to transfer data between different CAG systems. This is a 2D drawing file

Question 39

Name the 2 file types that can be used by any 3D CAD package.

Answer 39

STEP & IGES

Question 40

Which 3D file type is older & does not have the same information stored on them also they have stopped being developed?

Answer 40

IGES

Question 41

What are the advantages of CAD?

Answer 41

- Easy to store and retrieve drawings &files - easy to modify models and drawings - don't have to redraw repetitive elements using a CAD library - drawing speed & quality are improved - layout of drawings can be standardised - Drawings can be very large and don't require paper - flexibility of only needing a CAD supported device

Question 42

What are the disadvantages of CAD

Answer 42

- The large cost e.g. hardware, specialist software to run the program - Additional costs of updating software and maintaining hardware - time and cost of training staff to use the software - Potential security issues (hackers) - Potential IT problems (crashes, viruses etc)

Question 43

What is the minimum specification for CAD to be able to run?

Answer 43

8GB of RAM & 500GB hard drive

Question 44

Name some input devices for CAD.

Answer 44

- Digital Camera - Drawing tablet - 3D scanner - Mouse and keyboard - Hand-held/flatbed/3D Scanners

Question 45

Name some output devices for CAD.

Answer 45

- Monitor - Digital projector - laser/inkjet/wide format printer - Drum plotter/cutter - 3D printer - Laser cutter

Question 46

What is the function of 2D CAD?

Answer 46

Used to create technical drawings of buildings

Question 47

What is the function of 3D CAD

Answer 47

Allows a designer to draw buildings or products in 3 dimensions, parts can be animated, simulated and rendered to be an accurate representation of the finished product

Question 48

What is the function of 3D CAD Illustration?

Answer 48

Allows the designer to apply materials, textures, light sources, shadows and reflections to graphics.