MIT Review for Final

Know the differences between Renewable and Nonrenewable

sources of generating electricity.

• Coal• Solar • Water• Wind• Nuclear• Gas

NonrenewableRenewableRenewable RenewableNonrenewableNonrenewable

Know the Basic types of Electrical Circuits

• Series

• Parallel

From Photography

• What served as the ‘APETURE’ on the pinhole camera ?

• Why is a photographic negative called a negative?

• Why are we able to use a safelight when developing the pinhole camera pictures?

Photography Continued

• Why is the shutter ‘delayed’ when taking a picture with a digital camera?

• Know some of the different processes used to fix photographic mistakes with a software such as Photo Impact.

From Bridge Building

• Tensile strength

• Compression strength

From Bridge building

• What is the SPAN of a bridge?

What Is C.A.D. ?

Computer Aided Design

Or

Computer Aided Drafting

Common Orthographic Views

TOP

Front

Right

X axis and Y axis

Y

X

Know Common Commands

• To draw a line

• To draw a parallel

line

• To make a line longer

• To cut off extra parts

of a line or polyline

• L or line

• Offset

• Extend

• trim

What is the advantage of Double glazed windows over Single

Glazed?

The ‘dead air’ space between the panes of glass is a poor conductor of

heat.

Elastic Materials

• All materials have some elasticity to them. Some just more than others.

• Ability to bend and recover before breaking.

Pneumatics

• Calculate the force applied by a cylinder for a given pressure

• F=area of piston x PSI

Pneumatics

• Know difference between a single and double acting cylinder

Pneumatics

• Difference between a 3 way valve and a 5 way valve.

Mousetrap Cars

How was the potential energy of the spring transferred to the wheels?

How to Calculate a Gear Ratio

• Number of Teeth on one gear divided by the Number of teeth on the other

• Or diameter of one pulley divided by the diameter of the other.

Calculate the mechanical advantage of a pulley system

• Number of string supporting the load, not counting the last length

Audio

• How is sound measured?

• An amplifier applied electrical energy to the ____ to move the _____ in order to make sound

• Decibels

• Voice coil • Speaker cone

History/Timeline

Wind Turbines

• How to calculate Wattage

Amps * Volts = Watts

• What Variables did we tests in our designs

Pitch, length, Quantity, distance and direction

• What did we use to test the turbines output

Multimeter

• What is ‘Pitch’