Select the correct statement.
A). Activity arrows in a CPM network are drawn to scale
B). The tail of an arrow represents the finish of an activity
C). Arrow bead represents the start of an activity
D). None of the above
1. What are the two classifications of goods and services?
3. A body is said to be in equilibrium if
4. Lacy's regime condition is obtained if
7. Engineer's units of force, is
8. The characteristics of fresh and septic sewage respectively are