Surveying 3 min read
TYPES OF DIRECT LEVELLING
The following are the different types of direct levelling: (i) Simple levelling (ii) Differential levelling (iii) Fly levelling (iv) Profile levelling…
THE ARCHIVES
Author: senseadmin.
Prabhu TL is an author, digital entrepreneur, and creator of high-value educational content across technology, business, and personal development. With years of experience building apps, websites, and digital products used by millions, he focuses on simplifying complex topics into practical, actionable insights. Through his writing, Dilip helps readers make smarter decisions in a fast-changing digital world—without hype or fluff.
← Explore all topics
Surveying 2 min read
TEMPORARY ADJUSTMENTS OF A LEVEL
The adjustments to be made at every setting of the instrument are called temporary adjustments. The following three adjustments are…
Surveying 2 min read
TERMS USED IN DIRECT METHOD OF LEVELLING
The following terms are used in direct method of levelling: (i) Plane of Collimation: It is the reduced level of plane…
Surveying 2 min read
METHODS OF LEVELLING
The following methods are used to determine the difference in elevation of various points: (i) Barometric levelling (ii) Hypsometric levelling…
Surveying 8 min read
Level and Levelling
Elevation measurements Elevation measurements involve measurements in vertical plane. It is also known as levelling. It may be defined as…
Surveying 1 min read
ADVANTAGES AND LIMITATIONS OF PLANE TABLE SURVEY
Advantages are 1. Possibility of omitting measurement is eliminated. 2. The surveyor can compare the plotted work in the field…
Surveying 1 min read
ERRORS IN PLANE TABLE SURVEYING
The errors may be grouped into the instrumental and personal errors. Instrumental Errors 1. The surface of plane table not…
Surveying 3 min read
METHODS OF PLANE TABLING
The following four methods are available for carrying out plane table survey: 1. Radiation 2. Intersection 3. Traversing 4. Resection.…
Surveying 6 min read
PLANE TABLE AND ITS ACCESSORIES
The most commonly used plane table It consists of a well-seasoned wooden table Top mounted on a tripod. The table top can…
Surveying 2 min read
LOCAL ATTRACTION
A freely suspended and properly balanced magnetic needle is expected to show magnetic meridian.However, local objects like electric wires and objects…
Surveying 3 min read
DECLINATION AND DIP
The magnetic meridian and the true meridian may not coincide with each other in a place. The horizontal angle between…