Heat of Hydration

Friday, August 27, 2010 7:06
Posted in category Engineering Materials

When ordinary portland cement and water are mixed together,the heat which is liberated during this process (which is actually a chemical reaction) Continue Reading »

Color Cement

Friday, August 27, 2010 7:05
Posted in category Engineering Materials

During grinding process by using certain pigments colour can be given to the ordinary cement. 4% to 5% pigments are ground with the cement. Continue Reading »

Chaining and Taping

Tuesday, August 17, 2010 18:30

The measurement of distance with the help of chain or tape is known as chaining. However the term chaining Continue Reading »

Odometer | Perambulator

Tuesday, August 17, 2010 18:27

Odometer

The device which attached with the wheel of any vehicle and records the number of revolutions Continue Reading »

Passometer | Pedometer

Tuesday, August 17, 2010 18:21
Posted in category Surveying and Levelling

Passometer is a pocket instrument which count the number of paces. It automatically records the number of Continue Reading »

What is Pacing?

Tuesday, August 17, 2010 18:17
Posted in category Surveying and Levelling

The method of measuring distance with the help of pace length is known as pacing. This type of method is used where approximate results are required. Continue Reading »

What is a Scale ?

Tuesday, August 17, 2010 18:14

Scale of a map or a drawing is actually the proportion between the distance on the map or drawing to the Continue Reading »

What are Cumulative Errors ?

Tuesday, August 17, 2010 18:11

The errors which are accumulate at the end of the survey are known as Cumulative errors. These type of errors occur when we contradict the main principle of Survey which is Continue Reading »

Triangulation

Tuesday, August 17, 2010 18:09

Triangulation is the process in which the area to be surveyed are divided into large triangles, which are surveyed with great accuracy.These triangles are further sub divided into small triangles Continue Reading »

Control Points | Reference Points

Tuesday, August 17, 2010 18:06

The points which are used as a reference to conduct other kind of Survey are known as Control points.

Continue Reading »