Error in Levelling and their prevention

The following are the main sources of error in levelling: Instrumental Errors. Errors of Manipulation. The Errors due to settlement of Level and Staff. Errors due to Natural causes. Common…

Remote Sensing

Remote sensing is broadly defined as the science and art of collecting information about objects. The area or phenomena from distance without being in physical likewise contact with them. Human…

Total Station

A total station is an electronic theodolite and an electronic distance meter ( EDM ). This combination makes it possible to determine the coordinates of a reflector by aligning the…

MCQs for Survey

Q1 : Different grades are joined together by a ….. (A) Compound curve (B) Transition curve (C) Reverse curve (D) Vertical curve Answer: Option D Q2: The line of collimation…

Plane Table Surveying

Plane table surveying also refer as Plane tabling, is a method of surveying in which field-work and office-work are do same time on the plane table. The field observations are…