[pdf] LEVELING Ebook & Notes + Objective Questions
[pdf] LEVELING Ebook & Notes This book contain 30 pages notes with objective and conventional Questions 3.1 LEVELLING Levelling is an operation in surveying performed to determine the difference in levels of two points. By this operation the height of a point from a datum, known as elevation, is determined. 3.2 LEVEL SURFACE A level surface is the equipotential