1. The depth discharge relationship is unaffected in ______ fall
(A). Trapezoidal Notch Fall
(B). Ogee Fall
(C). Rapids
(D). Straight Glacis Fall
(E). None of these
Answer: A
2. The types of falls that are present are_____
(A). 4
(B). 5
(C). 7
(D). 8
(E). None of these
Answer: D
3. _____fall is not adopted in India
(A). Ogee Fall
(B). Rapids
(C). Inglis Fall
(D). Montague Type Fall
(E). None of these
Answer: D
4. The diagram depicts which of the following type of falls?
(A). Ogee Fall
(B). Trapezoidal Notch Fall
(C). Simple Vertical Drop Type Fall
(D). Straight Glacis Fall
(E). None of these
Answer: A
5. ____number of major defects the ogee fall has
(A). 1
(B). 2
(C). 3
(D). 4
(E). None of these
Answer: B
6. The construction of a fall in the case of the main canal depends on which of the following terms?
(A). Discharge Capacity of the Canal
(B). Length of the Canal
(C). Topography
(D). the Cost of Excavation and Filling versus Cost of fall
(E). None of these
Answer: D
7. In the case of branch canals, the construction site for a fall depends on which factor?
(A). Cost of Excavation
(B). Topography
(C). Commanded Area
(D). Cost of fall
(E). None of these
Answer: C
8. For the construction of baffle wall in baffle fall, the reason is ____
(A). For Maintaining the Uniform Velocity Flow
(B). For Ensuring the Formation of Jump
(C). For Reducing the Soil Erosion
(D). For Ensuring the Uniform Discharge of the Flow
(E). None of these
Answer: B
9. Suitable for 60 cumecs discharge and 1.5 m drop is ______fall
(A). Montague Type Fall
(B). Rapids
(C). Straight Glacis Fall
(D). Baffle Fall
(E). None of these
Answer: C
10. We need a Canal drop or canal fall for the construction in the canal bed.
(A). False
(B). True
(E). None of these
Answer: B
11. The diagram represents which of the following type of falls?
(A). Simple Vertical Drop Fall
(B). Inglis Fall
(C). Straight Glacis Fall
(D). Ogee Fall
(E). None of these
Answer: A
12. On flatlands, we use __type of canal alignment.
(A). Watershed Canal
(B). Contour Canal
(C). Side Slope Canal
(D). Field Channel
(E). None of these
Answer: A
13. The Contour canal irrigates just one side of the canal.
(A). True
(B). False
(E). None of these
Answer: A
14. The canal which is aligned on the watershed saves the cost of constructed cross drainage works.
(A). True
(B). False
(E). None of these
Answer: A
15. What is the ratio of the actual operating period of a distributary to the crop period called?
(A). capacity factor
(B). nominal duty
(C). full supply coefficient
(D). time factor
(E). None of these
Answer: D
16. What is the number of hectares irrigable per cumec of the canal capacity at its head called?
(A). duty on capacity
(B). nominal duty
(C). design full supply discharge
(D). capacity factor
(E). None of these
Answer: A
17. The junction of two streams is named?
(A). Merging
(B). Area of Mixture
(C). Ridge
(D). Area of Mingling
(E). None of these
Answer: C
18. ____ is not correct about alluvial soils
(A). This is formed by the sediment deposition of silt from the water that is flowing
(B). The Hard foundations are available
(C). It has the flat surface slope
(D). The area of alluvial soil is always even
(E). None of these
Answer: B
19. The combination that is not correct is___
(A). We do not require the Contour canal – provision of the cross drainage work
(B). The Protective canal is constructed as a relief work during the famine
(C). The Lined canal that is provided with a lining of impervious material on its bed
(D). The Feeder canal that is no direct irrigation, is always carried out
(E). None of these
Answer: C
20. The Hard foundations are mostly available in non-alluvial soils.
(A). True
(B). False
(E). None of these
Answer: A
21. The one that is well traded and is provided with permanent regulation and distribution works is______
(A). Inundation canals
(B). Navigation canals
(C). Alluvial canal
(D). Permanent canals
(E). None of these
Answer: D
22. The canal that acts as an irrigation canal, as well as a feeder canal, is____
(A). Feeder canal
(B). Inundation canal
(C). Carrier canal
(D). Permanent canal
(E). None of these
Answer: C
23. In the case of branch canals and distributary channels, the falls are located with consideration to which of the following?
(A). availability of earth material
(B). topography
(C). cost economy
(D). command area
(E). None of these
Answer: D
24. By providing a natural drop in one drop the quantity of ___
(A). unbalanced earthwork decreases
(B). balanced earthwork increases
(C). unbalanced earthwork increases
(D). number of fall increases
(E). None of these
Answer: C
25. We provide the canal fall when the available natural slope is flatter than the designed bed slope of a channel.
(A). True
(B). False
(E). None of these
Answer: B
26. If looping is present in the ridge line then how can we irrigate that area?
(A). Weir
(B). Tributary
(C). Distributary
(D). Canal
(E). None of these
Answer: C
27. The canal that is the farmer’s responsibility is_____
(A). Contour Canal
(B). Field Channel
(C). Watershed Canal
(D). Side Slope Canal
(E). None of these
Answer: B
28. If fully developed yields enough revenue to cover up its running cost is the……….canal?
(A). protective
(B). inundation
(C). permanent
(D). productive
(E). None of these
Answer: D
29. Which of the following should be The velocity of the flowing water in a navigation canal?
(A). high
(B). small
(C). very high
(D). medium
(E). None of these
Answer: B
30. Gross Command Area (G.C.(A). is for representing the geographical area of Doab.
(A). True
(B). False
(E). None of these
Answer: A
31. The Annual Intensity of irrigation (AII) is_____
(A). Cultivable Command Area/Net Irrigated Area
(B). Cultivable Command Area/Gross Irrigated Area
(C). Net Irrigated Area/Cultivable Command Area
(D). Gross Irrigated Area/Cultivable Command Area
(E). None of these
Answer: D
32. If the discharging capacity of the channel is less than 0.5 cumecs then, what will be the minimum recommended value for curve radius?
(A). 100 m
(B). 150 m
(C). 300 m
(D). 600 m
(E). None of these
Answer: A
33. Gross Cropped Area is ___
(A). Net irrigated area + Area irrigated more than once during the same year
(B). Net irrigated area + Net cropped area
(C). Net cropped area + Area sown more than once during the same year
(D). Total area irrigated once a year + area irrigated more than once in that year
(E). None of these
Answer: C
34. What are the results of a curve in the channel?
(A). the silting and scouring are on outside
(B). the scouring is on the inside (convex side) and the scouring is on the outside (concave side)
(C). the silting and scouring are on inside
(D). the silting is on the inside (convex side) and the scouring is on the outside (concave side)
(E). None of these
Answer: D
35. The cropped area in Rabi season usually increases.
(A). True
(B). False
(E). None of these
Answer: A
36. The canal that does not need cross drainage structures is____
(A). Field Channel
(B). Contour Canal
(C). Watershed Canal
(D). Both B and C
(E). None of these
Answer: D
37. The main use of the canal can be to supply water to serve_____
(A). Irrigation
(B). drainage system
(C). Provide the Water Supply to nearby Regions
(D). Aquatic Transportation
(E). None of these
Answer: A
38. The cross drainage structures should be provided when the channel alignment is above the slope of which value?
(A). 30°
(B). 40°
(C). 60°
(D). 15°
(E). None of these
Answer: B
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