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ESE NOTES is a website dedicated to education. We hope that the information on this website will be useful to students and those preparing for competitive exams.

This educational website also aims to inform visitors who want to learn more about various subject areas. Finally, we hope that this website will aid readers in gaining a better understanding of the various topics.

New Posts ✓

In Rapidly Varied Flow (R.V.F), a sudden change of depth occurs at a particular point of a channel and the change from one depth to another takes place at a distance of very short length.

The gradually varied flow (GVF) is defined as steady non- uniform flow, where the depth of flow varies gradually from section to section along the length of channel. (A steady non-uniform flow in a prismatic channel with gradual changes in its water surface elevation is termed as gradually varied flow (GVF).

Energy depth relationship is the third chapter of the open channel flow. Detailed discussion about specific energy, critical depth, relationship between specific energy and depth of flow, section factor z, relation between discharge & depth of flow, channel transition.

A flow in an open channel is said to be uniform if its properties remain constant with respect to space. Detailed discussion about Uniform Flow.

Open Channel Flow ✓

In Rapidly Varied Flow (R.V.F), a sudden change of depth occurs at a particular point of a channel and the change from one depth to another takes place at a distance of very short length.

Unsteady flow also called 'Transient Flow', occurs in the open channel when the discharge or depth or both vary with respect to time at a given section.

Surveying ✓

In compass surveying each control point is established with the help of linear and angular measurements and this process is termed as traversing. Traverse, Meridian, Bearing are discussed in detailed.

Bearing measured from one station to adjacent next station in the direction of traverse is called fore bearing. Back Bearing, Magnetic Declination, Angle of Dip are discussed in detailed.

Compass is a survey instrument used for the measurement of horizontal angles and the bearing of a line of sight.Surveyor Compass and Prismatic Compass are discussed in detailed.

In traverse survey, latitude and departure, checks in a closed traverse, closing error, relative precision, bowditch’s rule, transit rule are details discuss.

Highway Engineering

In Traffic Studies and Analysis, a detailed discussion about Origin and Destination Study, Accident Study & Parking Study.

In Traffic Flow Characteristics & Capacity Study, we detailed discuss about Traffic Capacity Studies, Traffic Flow Characteristics Studies.

Traffic studies or surveys are carried out to analyze the traffic characteristics. These studies help in deciding the geometric design feature and traffic control for safe and efficient traffic movements. The traffic surveys for collecting traffic data are also called traffic census. The various traffic studies generally carried out are: Traffic Volume Study, Traffic Speed Studies.

The basic objective of traffic engineering is to achieve free & rapid flow of traffic with least no of accidents. For this various studies are carried out. These studies are divided into- Traffic Characteristics, Traffic Studies and Analysis, Traffic Control Regulation.

Soil Mechanics

Shrinkage Index is the range of consistency in which soil is in a semi-solid state of consistency. It is defined as numerical difference of plastic limit & shrinkage limit.

Shrinkage Limits is defined as maximum water content at which reduction in the water content of soil does not lead to reduction in the volume of soil.

Plastic Limits is defined as the minimum water content at which soil is in the plastic stage of consistency or behaves like a plastic material. At plastic limit soil passes plastic state of consistency to a semi-solid state of consistency & visa-versa.

Liquid Limits are defined as the minimum water content at which soil has a tendency to flow. At liquid limit soil passes liquid state of consistency to plastic state of consistency & visa-versa.

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