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 perfectly plane. 2. Bevelled edge of alidade not straight. 3.…
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 required for the instrument whenever set over a new point…
Level and Levelling
Elevation measurements Elevation measurements involve measurements in vertical plane. It is also known as levelling. It may be defined as the art of determining the elevations of given points above…
Parts of a Vernier Theodolite
Shows a sectional view of a typical Vernier theodolite and plate 16.1 shows photograph of such theodolite. Main parts of such a theodolite are: 1. Telescope: A telescope is mounted on…
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 of sight with respect to the datum selected. It is…
More Useful Measurement Units
The E indicates an exponent, as in scientific notation, followed by a positive or negative number, representing the power of 10 by which the given conversion factor is to be…
Small Scale Cattle & Poultry Feed Manufacturing Business
The success of a commercial livestock farming largely depends on the continuous supply of good quality nutritious feeds. In India, the major portion of livestock caters to cattle and poultry…
Six Common Mooring Methods For Ships: Explained
Mooring is an integral part of the transportation of cargo and is used to secure the ship at a particular location together with a floating object such as a jetty,…
20 Self-employment jobs
Marketing Services: Marketing will involve an exact level of information. That said, if you’re not seasoned, investment in an online course isn’t only low-cost however can equip you with the…
Nutritionist / Dietitian business
Who This Career is For? An individual who has an interest in food, nutrition and diets and has a propensity for science & research is suited for this profession. Exceptional…
