Irrigation Engineering MCQ Civil Engineering Questions Answers

11) The canal, which can irrigate only on one side, is a

a) watershed canal

b) contour canal

c) side slope canal

d) None of these

View Answer
Option – b)

12) The crest level of the distributary head is generally kept at ______ higher than the bed level of the

parent channel.

(a) 0.3 to 1.0 m

(b) 1.2 – 1.8 m

(c) 2.0 to 2.5 m

(d) more than 2.5 m

View Answer
Option – a)

13) The most important shape parameter in sediment analysis is

a) sphericity

b) Shape factor

c) roundness

d) form factor

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Option – a)

14) By greater fluming the canal

width of aqueduct is reduced.

the length of transition wings is increased

(a) both 1 and 2 are correct

(b) 1 is correct but 2 is wrong

(c) 1 is wrong but 2 is correct

(d) both 1 and 2 are wrong

View Answer
Option – a)

15) In Lacey’s regime theory, the velocity of flow is proportional to

a) Qf2

b) Q/f2

c) (Qf2)1/6

d) (Q/f2)1/6

View Answer
Option – c)

16) The infertility of the soil in waterlogged area is due to

(a) death of bacteria causing nutrification

(b) increase in salinity

(c) growth of weeds

(d) all of the above

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Option – d)

17) The total number of independent equations that from the Lacey regime theory is

a) 6

b) 10

c) 3

d) 4

View Answer
Option – d)

18) The bed of an alluvial channel along the flow will always be

a) flat

b) way

c) duned and rippled

d) any of the above is possible

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Option – d)

19)Theoretically the best cross section for a lined canal is

a) semicircular

b) triangular

c) Trapezoidal

d) None of these

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Option – c)

20) Tile drains increase crop yield by

(a) removing the free gravity water that is not directly available to the plants

(b) increasing air circulation

(c) reducing and removing toxic substances such as sodium and other soluble salts

(d) all the above

View Answer
Option – d)