Engineering Semester Review

What is the formula for calculating the efficiency score of a bridge?

Mass of the bridge: 7 lbs.

Mass supported: 250 lbs.

• 35

• .028

• 250/7

• 7/250

What is icon 18?

• mirror

• erase

• stretch

• scale

What is icon 13?

• mirror

• erase

• stretch

• copy

A tool used to make curved cuts and is ideal for rough CO2 car shapes.

What machine is being referenced?

• none of these

• lathe

• band saw

• drill press

You should clamp down your material before operating the drill press.

• False

• True

When proposing a design to others, you should include a top, bottom and side view.

• True

• False

It is not important to measure your materials before making a pen or any project.

• True

• False

Force that slows an object down because air cannot move around it.

• Inertia

• Drill Press

• Drag

• Friction

It is important to wear eye protection, closed- toe shoes, and tie back loose articles of clothing when working in a ___.

What is icon 21?

• mirror

• rotate

• stretch

• copy