Engineering Design Unit 3

_____________ is the use of science and scientific concepts to design objects, machines, buildings, processes, and systems.

• Computer Aided Design

• Engineering

• Drafting

• Drawing

What does a Civil Engineer do?

• Designs buildings, structures, and other things such as roadways, water treatment systems, and bridges

• Designs mechanical devices and systems, such as engines for cars and machines for factories

• Designs chemical processes and new materials, such as a new type of fuel or a process for removing a harmful substance from liquid

• design electronic devices and electrical systems, such as computer systems and mobile phones.

___________ _____________ are made without using tools like rulers or compasses. A quick sketch can help a designer solve a problem or share an idea with someone else.

• Technical drawings

• CAD drawings

• Freehand drawings

• Charcoal drawings

Which of the following types of drawings can have the most accurate proportion?

• A CAD drawing

• A technical drawing

• A pencil drawing

• A freehand drawing

In many CAD programs, _______________ can be used to make it easier to draw lines and shapes at specific points.

• Layers

• Page size and orientation

• Grid and Snap

• Construction Lines

Coordinates that measure how far a point is from the origin are _______________.

• X Coordinates

• Absolute Coordinates

• Relative Coordinates

• Y Coordinates

3D coordinates are written X,Y,Z

• True

• False

A(n) _________________ is a way of showing a 3-D object in a series of 2-D drawings.

• Orthographic Projection

• Topographic Projection

• CAD drawing

• 3D Projection

Which three views belong in a three-view orthographic drawing?

• Top view, rear view and right-side view

• Top view, front view, and right-side view

• Rear view, front view, and side view

• Diagonal view, bottom view, and top view

What kind of lines show the visible edges of an object or the edges that you can see from that view? They are thick and sometimes called object lines.

• Construction lines

• Hidden lines

• Center lines

• Visible lines