Discussion
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- Question
Pick up the correct statement from the following:
Options- A. The full supply level of a canal should be above ground level
- B. According to Lacey, regime conditions require a particular slope for a given discharge and silt factor
- C. In case the ground slope is less than the required bed slope, the silt factor must be reduced by permitting the entry of coarse silt
- D. All the above.
- Correct Answer
- All the above.
- 1. Bed bars in a canal are provided
Options- A. to watch the general behaviour of canal
- B. to measure the discharge
- C. to raise the supply level
- D. to control the silting
- E. all the above. Discuss
- 2. The width of a meander belt is the transverse distance between
Options- A. apex point of one curve and apex point of the reserve curve
- B. apex point and the crossing
- C. two banks of meandering river
- D. none of these. Discuss
- 3. A deficit of sediments in flowing water may cause a river
Options- A. meandering type
- B. aggrading type
- C. degrading type
- D. sub-critical type. Discuss
- 4. In a barrage, the crest level is kept
Options- A. low with large gates
- B. high with large gates
- C. high with no gates
- D. low with no gates. Discuss
- 5. The state of the soil when plants fail to extract sufficient water for their requirements, is
Options- A. maximum saturated point
- B. permanent wilting point
- C. ultimate utilisation point
- D. none of these. Discuss
- 6. Trial procedure of canal design by Kennedy's theory is based upon the equation
Options- A. Q = A . Y
- B.
- C.
- D. all the above. Discuss
- 7. If straight sides of a triangular section of a lined canal with circular bottom of radius R, make an angle ? with horizontal, the area of its cross-section, is
Options- A. R(? + tan ?)
- B. R(? + cot ?)
- C. R2(? + tan ?)
- D. R2(? + cot ?)
- E. R(? + tan ?) Discuss
- 8. An outlet which maintains a constant discharge irrespective of fluctuation in the water levels of the supplying channel or water course, is known as
Options- A. non-modular outlet
- B. semi-modular outlet
- C. flexible modular outlet
- D. right modular outlet. Discuss
- 9. A minimum of 90 cm free board is provided if the discharge in the canal is between
Options- A. 30 to 33 cumecs
- B. 30 to 60 cumecs
- C. Over 60 cumecs
- D. Over 100 cumecs Discuss
- 10. The length and width of a meander and also the width of the river, vary roughly as
Options- A. square root of the discharge
- B. discharge
- C. square of the discharge
- D. cube of the discharge. Discuss
Irrigation problems
Search Results
Correct Answer: to watch the general behaviour of canal
Correct Answer: apex point of one curve and apex point of the reserve curve
Correct Answer: degrading type
Correct Answer: low with large gates
Correct Answer: none of these.
Correct Answer: all the above.
Correct Answer: R2(? + cot ?)
Correct Answer: right modular outlet.
Correct Answer: Over 60 cumecs
Correct Answer: square root of the discharge
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