Surface Area of Piston = Surface Area
Surface Area of Piston = Surface Area
Grade Levels
10th Grade, 11th Grade, 12th Grade, 9th Grade
Course, Subject
Related Academic Standards
Task Description
Diagnose engine mechanical problems, precision measurements
T-Chart
Rationale
Surface Area is the total area of all surfaces of a solid object. Unlike lateral area, it includes the area of the bases (s) of the figure.
The surface area formulas used in technical trades are the same as in mathematics:
The formulas correspond to the areas of the individual surfaces of the objects:
Remember when computing surface area of a Brake Rotor that it has 2 sides!
When using these surface area formulas for technical applications, the student must identify which parts of the formulas to use, as many applications will not be concerned with ALL surfaces of an object.
For example, cylinders include a top and bottom (2πrh), but if you are calculating a hemi cylinder, you will want to remove the top out of the formula and replace it with a specialized formula for the cap.
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