1. Give two reasons why wells are more popular in the northern part of the country.
2. State two advantages and two disadvantages of modern canals.
3. State any two features of the Bhakra Nagal Project. Which man-made lake is associated with this
project?
4. State two main objectives of the Forakka Barrage.
5. With reference to the Hirakund Project, answer the following questions.
i. On which river is it located?
ii. Name the dams associated with it.
6. Which multi-purpose power project has been built on the river Sutlej? Name the States that are
benefited by this project.
7. Name two states which are being served by the Tungabhadra Project. What are the main features
of this project?
8. How are tube-wells beneficial to farmers in North-India?
9. State four disadvantages of tank irrigation in South India?
10.
i'Multi-Purpose Projects' are vital to the development of India. Explain.
ii. Mention two differences between a dam and a barrage.
iii. State two hazards of constructing dam.
12.
i In which part of the country, wells are the most important means of irrigations?
ii. What are the disadvantages of well irrigation?
13. Name the four important dams in the Damodar Valley Project.
14. State one advantage and one disadvantage of large dams.
15. State two ways in which canal irrigation systems can be improved in India.
16. Name two important Hydel power projects in India.
Answers
Answer:
Bhakra Dam is a concrete gravity dam on the Sutlej River in Bilaspur, Himachal Pradesh in northern India. The dam forms the Gobind Sagar reservoir.
Bhakra Nangal
Bhakra Dam Aug 15 2008.JPG
The Bhakra Dam
Bhakra Dam is located in IndiaBhakra Dam
Bhakra Dam in Bilaspur, Himachal Pradesh
Official name
Bhakra Dam
Location
Bilaspur, Himachal Pradesh, India
Coordinates
31°24′39″N 76°26′0″E
Construction began
1948
Opening date
1963
Construction cost
₹245.28 crore (equivalent to ₹160 billion or US$2.3 billion in 2019)
Dam and spillways
Type of dam
Concrete gravity
Impounds
Satluj River
Height
741 ft (226 m)
Length
1,700 ft (520 m)
Width (crest)
30 ft (9.1 m)
Width (base)
625 ft (191 m)
Spillway type
Controlled, overflow
Reservoir
Creates
Gobindsagar Reservoir
Total capacity
9.340 km3
Surface area
168.035 km2
Power Station
Commission date
1945-1946
Turbines
5 x 108 MW, 5 x 157 MW Francis-type
Installed capacity
1325 MW
The dam, located at a gorge near the (now submerged) upstream Bhakra village in Bilaspur district of Himachal Pradesh of height 226 m.[1] The length of the dam (measured from the road above it) is 518.25 m and the width is 9.1 m. Its reservoir known as "Gobind Sagar" stores up to 9.34 billion cubic metres of water. The 90 km long reservoir created by the Bhakra Dam is spread over an area of 168.35 km2. In terms of quantity of water, it is the third largest reservoir in India, the first being Indira Sagar dam in Madhya Pradesh with capacity of 12.22 billion cu m and second Nagarjunasagar Dam.
Described as "New Temple of Resurgent India" by Jawaharlal Nehru,[2] the first prime minister of India, the dam attracts tourists from all over India. Bhakra dam is 15 km from Nangal city and 20 km from Naina Devi town.
Nangal Dam is another dam in Punjab downstream of Bhakra Dam. However, sometimes both the dams together are called Bhakra-Nangal Dam though they are two separate dams.
Answer:
(1) The land is soft and fertile and thus wells can be easily dug at minimum cost whereas, there are rocks present everywhere in the deccan region thus making it impossible for the wells to be dug. (2) Wells can be dug easily wherever needed in the area to be irrigated while in southern India it is not possible.
2.Due to imbalance in distribution of canal water, a situation of scarcity somewhere and water logging in other areas is caused due to collection of water there. It makes the soil unproductive as harmful underground salts and alkalies come to the surface level due to water logging
3.Bhakra dam is also a major attraction for tourists. The place is also provided with an opportunity to try water sports at the Gobind Lake, an artificial lake formed on river Sutlej.
4.Main objective of the Farakka Barrage Project complex is to divert adequate quantity of Ganga waters to Bhagirathi-Hoogly river system through 38.38 km long feeder canal for preservation and maintenance of Kolkata Port by improving the regime and navigability of the Bhagirathi-Hoogly river system