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- Question
In rigid module, the discharge
Options- A. is independent of water levels in the distributary and water course
- B. depends upon the water level in distributary
- C. depends upon the water level in the water course
- D. depends upon the water levels of both, i.e. distributary and water course
- E. none of these.
- Correct Answer
- is independent of water levels in the distributary and water course
- 1. A land is said to be water-logged if its soil pores within
Options- A. a depth of 40 cm are saturated
- B. a depth of 50 cm are saturated
- C. root zone of the crops are saturated
- D. all the above. Discuss
- 2. If A is the area of the surface, x is the depth of its C.G. from the surface of the water and ? is the density of water, then
Options- A. total pressure on the surface is equal to ? x
- B. depth of the point at which total pressure acts is equal to its moment of inertia divided by A x
- C. depth of the centre of pressure is 2/3H vertically below the surface
- D. all the above. Discuss
- 3. The ratio of the discharge over a trapezoidal crest to a rectangular crest of Sarda falls of identical parameters, is
Options- A. 1.084
- B. 1.074
- C. 1.064
- D. 1.054
- E. 2.053 Discuss
- 4. Pick up the correct statement from the following:
Options- A. Gravity water is harmful to crops
- B. Hygroscopic water remains attached to soil molecules by chemical bond
- C. Capillary moisture held in the soil pores against gravity by surface tension, is utilised by plants
- D. All the above. Discuss
- 5. For a unique design of a channel by Kennedy's theory
Options- A. its breadth must only be known
- B. its depth must only be known
- C. its breadth and depth ratio must only be known
- D. all the above. Discuss
- 6. The uplift pressure on the roof of an inverted syphon, is maximum when
Options- A. drain in running dry
- B. canal is running dry
- C. canal is running with F.S.L.
- D. drain is running with H.F.L. Discuss
- 7. While deciding the alignment of a proposed canal taking off from a river at B, three alignments of approximately equal lengths are available. These cross a drainages at C1, C2 and C3 where drainage bed levels C1 > C2 > C3, you will provide at site C3
Options- A. an aqueduct
- B. a syphon aqueduct
- C. a super passage
- D. a syphon. Discuss
- 8. A fall which maintains its depth, is
Options- A. a trapezoidal notch fall
- B. a low weir fall
- C. a rectangular notch fall
- D. all the above. Discuss
- 9. If the height of the hydraulic gradient line above the floor of thickness t is h and the specific gravity of the material of the floor is G, the minimum thickness t of the floor down stream of the crestwall, is given by the equation
Options- A.
- B.
- C.
- D.
Discuss
- 10. For standing crops in undulating sandy fields, the best method of irrigation, is
Options- A. sprinkler irrigation
- B. free flooding
- C. check method
- D. furrow method
- E. none of these. Discuss
Irrigation problems
Search Results
Correct Answer: root zone of the crops are saturated
Correct Answer: all the above.
Correct Answer: 1.084
Correct Answer: Capillary moisture held in the soil pores against gravity by surface tension, is utilised by plants
Correct Answer: its breadth and depth ratio must only be known
Correct Answer: drain is running with H.F.L.
Correct Answer: an aqueduct
Correct Answer: all the above.
Correct Answer:
Correct Answer: sprinkler irrigation
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