Exam Details
| Subject | Soil And Water Conservation | |
| Paper | ||
| Exam / Course | DIPLOMA IN WATERSHED MANAGEMENT (DIWM) | |
| Department | School of Agriculture (SOA) | |
| Organization | indira gandhi national open university | |
| Position | ||
| Exam Date | June, 2016 | |
| City, State | new delhi, |
Question Paper
No. of Printed Pages: 4 IBNRI-1031
DIPLOMA IN WATERSHED MANAGEMENT
...qo Term-End Examination
o
June, 2016
BNRI-103: SOIL AND WATER CONSERVATION
Time hours Maximum Marks 50
Note: Attempt any five questions.
All questions carry equal marks.
Use of calculator is permitted.
Assume any realistic value for designing if
required.
1. Explain the causes and processes of soil erosion.
What are the factors affecting water erosion?
2. What do you mean by sediment yield? Describe transportation processes and deposition.
Calculate erosivity of rainfall storm having 5 cm per hour average rainfall intensity and 8 cm rainfall depth. The maximum 30 minutes rainfall intensity is 4.5 cm per hour.
3. Describe different factors affecting wind erosion.
Explain the process of sand dune formation with a neat diagram.
4. Differentiate between biological and mechanical measures of soil erosion control.
Define graded bunding and explain their functions.
5. What are the functions of Bench Terraces? What are merits of Bench Terracing?
What do you understand by drainage-line treatment? Explain the functions of check dams.
6. What do you mean by retaining walls? What is the procedure for construction of Gabion retaining walls?
Differentiate between temporary and permanent gully control structures.
7. What do you mean by roof top rainwater harvesting? Explain different components of roof top rainwater harvesting with a neat diagram.
Compute the water demand for 100 persons and 120 cows for a dry period of 30 days considering per capita water requirement of 90 and 30 litre per day respectively.
8. What is artificial ground-water recharge? What 10 are the different methods and the procedure for artificial ground-water recharge? Explain abandoned dug wells for recharging ground-water.
DIPLOMA IN WATERSHED MANAGEMENT
...qo Term-End Examination
o
June, 2016
BNRI-103: SOIL AND WATER CONSERVATION
Time hours Maximum Marks 50
Note: Attempt any five questions.
All questions carry equal marks.
Use of calculator is permitted.
Assume any realistic value for designing if
required.
1. Explain the causes and processes of soil erosion.
What are the factors affecting water erosion?
2. What do you mean by sediment yield? Describe transportation processes and deposition.
Calculate erosivity of rainfall storm having 5 cm per hour average rainfall intensity and 8 cm rainfall depth. The maximum 30 minutes rainfall intensity is 4.5 cm per hour.
3. Describe different factors affecting wind erosion.
Explain the process of sand dune formation with a neat diagram.
4. Differentiate between biological and mechanical measures of soil erosion control.
Define graded bunding and explain their functions.
5. What are the functions of Bench Terraces? What are merits of Bench Terracing?
What do you understand by drainage-line treatment? Explain the functions of check dams.
6. What do you mean by retaining walls? What is the procedure for construction of Gabion retaining walls?
Differentiate between temporary and permanent gully control structures.
7. What do you mean by roof top rainwater harvesting? Explain different components of roof top rainwater harvesting with a neat diagram.
Compute the water demand for 100 persons and 120 cows for a dry period of 30 days considering per capita water requirement of 90 and 30 litre per day respectively.
8. What is artificial ground-water recharge? What 10 are the different methods and the procedure for artificial ground-water recharge? Explain abandoned dug wells for recharging ground-water.
Other Question Papers
Departments
- Centre for Corporate Education, Training & Consultancy (CCETC)
- Centre for Corporate Education, Training & Consultancy (CCETC)
- National Centre for Disability Studies (NCDS)
- School of Agriculture (SOA)
- School of Computer and Information Sciences (SOCIS)
- School of Continuing Education (SOCE)
- School of Education (SOE)
- School of Engineering & Technology (SOET)
- School of Extension and Development Studies (SOEDS)
- School of Foreign Languages (SOFL)
- School of Gender Development Studies(SOGDS)
- School of Health Science (SOHS)
- School of Humanities (SOH)
- School of Interdisciplinary and Trans-Disciplinary Studies (SOITDS)
- School of Journalism and New Media Studies (SOJNMS)
- School of Law (SOL)
- School of Management Studies (SOMS)
- School of Performing Arts and Visual Arts (SOPVA)
- School of Performing Arts and Visual Arts(SOPVA)
- School of Sciences (SOS)
- School of Social Sciences (SOSS)
- School of Social Work (SOSW)
- School of Tourism & Hospitality Service Sectoral SOMS (SOTHSM)
- School of Tourism &Hospitality Service Sectoral SOMS (SOTHSSM)
- School of Translation Studies and Training (SOTST)
- School of Vocational Education and Training (SOVET)
- Staff Training & Research in Distance Education (STRIDE)
Subjects
- Elements Of Hydrology
- Fundamentals Of Watershed Management
- Funding, Monitoring, Evaluation And Capacity Building
- Horticulture And Agroforestry System
- Livestock And Pasture Management
- Rainfed Farming
- Soil And Water Conservation