- Where does the name Weir come from?
- What does were mean?
- What is Weir length?
- Why is a weir dangerous?
- What is a weir pool?
- How do locks and weirs work?
- Is Weir a Scrabble word?
- What is the main difference between a dam and weir?
- What is difference between Weir and barrage?
- What is ogee weir?
- What is the purpose of a weir?
- What are the types of Weir?
- Are weirs man made?
- What does Weir mean in English?
Where does the name Weir come from?
Scottish and English: topographic name for someone who lived by a dam or weir on a river.
Irish: reduced Anglicized form of Gaelic Mac an Mhaoir ‘son of the steward’ (see McNair)..
What does were mean?
Meaning – Were is the past tense of the verb are. Look at this example of were used in a sentence. In present tense, this sentence would say. Since were means the same as the past tense of are in this sentence, it is the correct word to use.
What is Weir length?
A contracted weir means that the ditch leading up to the weir is wider than the weir opening itself. The length is found by measuring the bottom width of the weir and the height is determined from measuring the water height above the bottom of the weir. Length: ft.
Why is a weir dangerous?
Why are weirs dangerous? After heavy rain, an overflowing weir can become a drowning machine due to the volume of water flowing over the person underwater, making self-rescue, and even assisted rescue, almost impossible. … Being a good swimmer has nothing to do with survival once you are trapped in the drowning machine.
What is a weir pool?
A weir pool is a great place for bream to pick up food items that have been washed downstream. They are often found in the deep holes at the bottom of the weir pool. Cast a heavy cage feeder stuffed with groundbait or liquidised bread around 5ft from the weir sill and fish flake, double corn or lobworm on the hook.
How do locks and weirs work?
The purpose of the weirs is to: … store water for consumptive use and to regulate river flow downstream. provide a raised river level upstream of the weir to improve the navigability of the river (vessels can navigate through the weir via its lock).
Is Weir a Scrabble word?
WEIR is a valid scrabble word.
What is the main difference between a dam and weir?
Weir vs. Weirs differ from dams in one major way. First and foremost, in a weir the water from upstream runs over top of the weir itself, constantly overflowing. In a dam, water flows through spillways and penstocks instead of over top of the dam, which could actually cause damage and is known as overtopping.
What is difference between Weir and barrage?
In a weir the water overflows the weir, but in a dam the water overflows through a special place called a spillway. … A barrage is a weir that has adjustable gates installed over top of it, to allow different water surface heights at different times. The water level is adjusted by operating the adjustable gates.
What is ogee weir?
An ogee crest weir is a common weir type whose cross-sectional profile corresponds to the shape of the underside of a sharp-crested weir nappe. Just as the shape or trajectory of the sharp-crested weir nappe changes with flow rate, so does the ogee crest profile.
What is the purpose of a weir?
Weirs are commonly used to control the flow rates of rivers during periods of high discharge. Sluice gates (or in some cases the height of the weir crest) can be altered to increase or decrease the volume of water flowing downstream.
What are the types of Weir?
Types of Weirs: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.
Are weirs man made?
A weir is a man-made structure designed to alter a river’s flow characteristics and measure flow rates. … Weirs are man-made structures and are therefore put into an existing lake.
What does Weir mean in English?
taking fish(Entry 1 of 2) 1 : a fence or enclosure set in a waterway for taking fish. 2 : a dam in a stream or river to raise the water level or divert its flow.