What is difference between weir and barrage Mcq?
7. What is the difference between a weir and a barrage? Explanation: Barrage is almost a similar structure like a weir, but the difference is that barrage is not a solid obstruction across a river and moreover the heading of the river is controlled by gates alone. The crest level in barrage is kept at low level.
What is difference between barrage and head?
As nouns the difference between barrage and headworks is that barrage is barrier while headworks is any structure at the head or diversion point of a waterway it is smaller than a barrage and is used to divert water from a river into a canal or from a large canal into a smaller canal.
What is difference between barrage and bridge?
Barrage is a structure bulit over a river to control the flow of water with the help of gates. So water would be accumulated and it could be used when required. A Bridge is a structure built to cross a obstruction without stopping the flow/traffic beneath.
What is the use of barrage?
A barrage is a type of low-head, diversion dam which consists of a number of large gates that can be opened or closed to control the amount of water passing through. This allows the structure to regulate and stabilize river water elevation upstream for use in irrigation and other systems.
Which dam is generally called as a weir or barrage?
Nangal Dam
Nangal Dam is an example of a diversion dam. It is actually called a weir or a barrage. Explanation: In buttress dams, the load is mainly transferred to the supporting buttresses. The most common types of this dam are Deck slab type and multiple arch types.
What is barrage in irrigation?
What are the different types of weirs?
Weirs are classified according to:
- Types of Weirs based on Shape of the Opening. Rectangular weir. Triangular weir. Trapezoidal weir.
- Types of Weirs based on Shape of the Crest. Sharp-crested weir. Broad- crested weir. Narrow-crested weir. Ogee-shaped weir.
- Types of weirs based on Effect of the sides on the emerging nappe.
Why are barrages built?
“When the floods occur, if you have a storage area you can store the water in that area. Dams have a reservoir so they create a lake. Barrages divert the water into canals.
What is difference barrage and dam?
According to the World Commission on Dams, a key difference between a barrage and a dam is that a dam is built for water storage in a reservoir, which raises the level of water significantly. A barrage is built for diverting water, and raises the water level by only a few feet.
Are barrage and dam the same?
What is the difference between a dam weir and a barrage?
Difference Between Dam Weir and Barrage 1 Weir. A weir is a diversion headwork constructed across a river to raise the water level on the upstream side. 2 Barrage. A Barrage is a diversion headwork. 3 Dam. A Dam, on the other hand, is a storage headwork so the main aim of the dam is to create a storage reservoir on the upstream of the dam.
What is a weir in engineering?
A weir is a diversion headwork constructed across a river to raise the water level on the upstream side. Like Barrage its main aim to divert water as it does not have a storage reservoir. The water is raised up to the required height and the water then flows over the weir.
What is the difference between a barrier and a weir?
Barriers are typically used for flood control and/or more powerful hydroelectric power generation, while weirs are more for regulating water flow. They also generate hydroelectric power, but they do not have the same effect of storing water or risk being a flood control system.
What is the purpose of a barrage?
A barrage is a steel-gated construction used to impede a water stream. The barrage gates can be raised to control the release of water from the barrage. A barrage is created when moveable gates are erected above a weir to keep the water surface at different levels at different periods.