Exhibit 15.2 The Following Questions Employ the AON Network and Completed Spreadsheet

question 50

Multiple Choice

Exhibit 15.2
The following questions employ the AON network and completed spreadsheet below.
-CPM and PERT differ because of

• A) activity time estimates
• B) cost calculations
• C) precedence relationship
• D) network diagram

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Definitions:

Precipitation

Any form of water, liquid or solid, that falls from the atmosphere and reaches the ground, including rain, snow, sleet, and hail.

Erosion

Erosion is the natural process by which soil, rock, and other surface material are worn away and transported by natural forces, such as water or wind.

Condense

To reduce something, such as a text or statement, to make it shorter, while retaining the essential information or to change the physical state of a substance from gas to liquid.

Precipitation

The process by which water in the form of rain, snow, sleet, or hail falls from the atmosphere to the Earth's surface.