# Civil Engineering – Irrigation Engineering Mock test – 2

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The field capacity of a soil is 25%, its permanent wilting point is 15% and specific dry unity weight is 1.5. If the depth of root zone of a crop, is 80 cm, the storage capacity of the soil, is

1 out of 25

The down stream expansion head of a guide bank is extended to subtend an angle at the centre, equal to

2 out of 25

The state of the soil when plants fail to extract sufficient water for their requirements, is

3 out of 25

A fall in a canal bed is generally provided, if

4 out of 25

The optimum depth of kor watering for a rice crop, is

5 out of 25

The Lacey's regime velocity is proportional to

6 out of 25

If the optimum depth of kor watering for a crop is 15.12 cm, the outlet factor for the crop for four week period in hectares per cumec, is

7 out of 25

The most suitable location of a canal head work, is

8 out of 25

A deficit of sediments in flowing water may cause a river

9 out of 25

Canals taken off from ice-fed perennial rivers, are known

10 out of 25

The structure constructed to allow drainage water to flow under pressure through an inverted syphon below a canal, is called

11 out of 25

In north Indian Plains, optimum depth of kor watering for wheat, is

12 out of 25

According to Bligh's creep theory, percolating water flows along

13 out of 25

Meandering of a river generally occurs, in

14 out of 25

In a barrage, the crest level is kept

15 out of 25

In gravity canals, F.S.L. is

16 out of 25

Bligh's theory of seepage assumes

17 out of 25

The useful moisture of soil, is equal to its

18 out of 25

For a standing crop, the consumptive use of water is equal to the depth of water

19 out of 25

According to Khosla, the exist gradient of surface flow

20 out of 25

The length and width of a meander and also the width of the river, vary roughly as

21 out of 25

A hydraulic jump is generally formed when a stream moving with

22 out of 25

If the irrigation efficiency is 80%, conveyance losses are 20% and the actual depth of watering is 16 cm, the depth of water required at the canal outlet, is

23 out of 25

If d1 is the depth of cutting, d2 is the height of the bank from bed level r2 : 1 and r1 : 1 are the slopes in filling and cutting respectively, the horizontal distance n between the bed and bank, is

24 out of 25

The velocity of drainage water in the barrels of a syphon-aqueduct, is normally limited to

25 out of 25

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