Discussion
Home ‣ Civil Engineering ‣ Irrigation Comments
- Question
If B and d are the bed width and depth of a channel in metres, the combined losses due to evaporation and seepage in cumecs per kilometre length of the channel, is
Options- A.
- B.
- C.
- D.
- Correct Answer
-
- 1. When a canal and a drainage approach each other at the same level, the structure so provided, is
Options- A. an aqueduct
- B. a syphon
- C. a level crossing
- D. inlet and outlet. Discuss
- 2. The main function of a diversion head works of a canal from a river, is
Options- A. to remove silt
- B. to control floods
- C. to store water
- D. to raise water level
- E. all the above. Discuss
- 3. The length of a meander is the distance along the river between the tangent point of one curve to the tangent point of
Options- A. reverse curve
- B. next curve of the same order
- C. reverse curve plus the width of the river
- D. none of these. Discuss
- 4. A river training work is generally required when the river is
Options- A. meandering
- B. aggrading
- C. degrading
- D. all the above. Discuss
- 5. If the straight sides of a triangular section of a lined canal with circular bottom of radius R, make an angle ? with horizontal, the perimeter of the canal is
Options- A. R(? + tan ?)
- B. 2R(? + tan ?)
- C. R(? + cos ?)
- D. 2R(? + cos ?)
- E. none of these. Discuss
- 6. According to G.W. Pickles the effect of confining the flood water of a river between levee, is to increase
Options- A. rate of flood wave
- B. water surface elevation during floods
- C. maximum discharge
- D. velocity and scouring action
- E. surface slope of streams above the leveed portion. Discuss
- 7. Pick up the incorrect statement from the following:
Options- A. In free flooding irrigation, water is admitted at one corner of a field and is allowed to spread over the entire area
- B. In check method of irrigation, the field is divided into smaller compartments and water is admitted to each in turn
- C. In furrow irrigation water is admitted between the rows of plants in the field
- D. None of these. Discuss
- 8. F.S.L. of a canal at its head with respect to parent channel is kept
Options- A. at the same level
- B. 15 cm lower
- C. 15 cm higher
- D. none of these. Discuss
- 9. For the design of major hydraulic structures on the canals, the method generally preferred to, is based on
Options- A. Bligh's theory
- B. Electrical analogy method
- C. The relaxation method
- D. Khosla's method of independent variables. Discuss
- 10. The top of the capillary zone
Options- A. lies below the water table at every point
- B. lies above the water table at every point
- C. coincides the water table at every point
- D. none of these. Discuss
Irrigation problems
Search Results
Correct Answer: a level crossing
Correct Answer: to raise water level
Correct Answer: next curve of the same order
Correct Answer: meandering
Correct Answer: 2R(? + cos ?)
Correct Answer: surface slope of streams above the leveed portion.
Correct Answer: None of these.
Correct Answer: 15 cm lower
Correct Answer: Khosla's method of independent variables.
Correct Answer: lies above the water table at every point
Comments
There are no comments.More in Civil Engineering:
Programming
Copyright ©CuriousTab. All rights reserved.