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Dams

A barrier constructed across a waterway to control the flow or raise the level of water.

1,255 Questions

How many dams did the dam busters blow up?

The targets were the Mohne, Eder, and Sorpe Dams on the Ruhr in Germany. They successfully breached the Mohne and Eder Dams,

What is a rubber dam?

A thin sheet of rubber, called a rubber dam, is placed in the mouth and around the base of the tooth to isolate the tooth and help to keep the operative field dry.

What is the World's largest dam?

Worlds Largest DamsDo you mean in terms of dimensions or perhaps just height? or water held or power generated?
  • Itaipu Dam on the border of Brazil and Paraguay is the biggest dam in the world right now and has the largest power generators.
  • The largest complete structure is the Syncrude Tailings in Canada, at 540,000cu m or 706,320cu yards followed by Chapet�n and Pati, both in Argentina, New Cornelia Tailings in the US is 4th at 209,500cu m or 274,026cu yards.
  • The highest dam is the Rogun in Tajikistan.
But when completed in 2009
  • Three Gorges Dam, in Hubei Province, China, will be the world's largest dam and largest concrete structure and create the largest lake. The dam will be built across the 3 Gorges section of the Yangtze River. It will be a 610-foot high wall running about 1.3 miles from bank to bank. Requiring 12 years and tens of thousands of workers to complete, the dam will cost $29 billion, and will create a 370 mile long lake, a distance equal to nearly half the length of California, that will be visible from Earth orbit.

Here is the list of Top 10 Largest Dams in the world. Akosombo Dam, GhanaGuri Dam, VenezuelaW.A.C Bennett Dam, CanadaAtaturk Dam, Anatolia, TurkeyThree Gorges Dam, ChinaHoover Dam, United States of AmericaGarrison Dam, United States of AmericaItaipu Dam, Brazil / ParaguayOahe Dam, United States of AmericaFort Peck Dam, United States of America

What were ancient dams used for?

The same thing modern dams are used for. To hold back water.

What is the country has no coast and generates its electricity from the Itapu dam?

Paraguay is the country with no coast that takes power from the Itaipu dam on the Paraná River located on the border between Brazil and Paraguay. The dam is operated jointly by both countries.

How much does Hoover Dam cost per kilowatt hour?

the avg pay between 4.7 cents to 14.6 cents per kwh depending on the time of day we use power.

Where does the power from the Kinzua Dam go to?

Authorized by the Flood Control Acts of 1936 and 1938, Kinzua Dam and Allegheny Reservoir is one of 16 flood control projects in the Pittsburgh District. The project provides complete protection for Warren, Pa., from Allegheny River flooding, and in conjunction with other projects in the District substantially reduced flooding in the Allegheny and upper Ohio River Valleys. The project's flood control capabilities were dramatically demonstrated during the June 1972 floods resulting from Tropical Storm Agnes when an estimated $247 million in flood damages were prevented. Since its completion in 1965, Kinzua has prevented flood damages estimated to be in excess of $1 billion. The reservoir also provides water to be released during dry periods. These releases have the effect of reducing pollution and improving the quality and quantity of water for domestic, industrial and recreation uses. Flow regulation also helps to maintain navigable depths for commercial traffic on the Allegheny and upper Ohio Rivers. Another benefit of the Kinzua project is hydroelectric power. A power plant is operated by the First Energy Corporation. Its peak capacity is 400,000 kilowatts per hour. The Big Bend Visitor Center contains displays which illustrate the hydroelectric process.

Why would people in south America be likely to build dams on the major rivers?

People in south America build dams on the major rivers to get more electricity. Plus, there is more industrialization in the area.

Is it ok to build a dam on a nearby river to reduce flooding?

Not OK for you. Only the government can build dams on rivers. Whether or not a dam is good idea in a particular place is a question that requires study. Blocking the river one place may cause flooding somewhere else. There is also navigation on the river to consider and fish that use the river.

What is A Hydro Dam?

Possibly not the best phrased question however you could say that a hydro dam is a dam that's primary function is the generation of hydropower. I note that under the heading of dam there are links to a hydropower page.

Why do dams break?

because they get too old

When was the akosombo dam built?

The Akosombo dam was started in 1961 and finished in 1965 taking four years in total, it cost £130 million pounds to make (most of which was borrowed).

What are some problems with the dams?

Sometimes dams slow the water down, and makes the water build up, causing floods.

How much water flows per second through McNary Dam?

Flows through McNary Dam usually range from 50 to 350 KCFS (374,000- 2,618,00 gallons/sec) depending on the time of year.