Irrigation Engineering (3170609) MCQs

MCQs of DISTRIBUTION WORKS

Showing 1 to 10 out of 73 Questions
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1.

Irrigation water is a costly commodity.

(a)

 True
(b)

 False
Answer:

Option (a)

2.

 What type of losses can be mainly avoided by lining the canals?

(a)

Evaporation Losses
(b)

Seepage Losses
(c)

Erosion of Canal Bed
(d)

Discharge Losses at Branch Canals
Answer:

Option (b)

3.

What is the name given to the land unfit for agriculture due to waterlogging?

(a)

Desert
(b)

Tundra
(c)

Waterlogged Area
(d)

Thur
Answer:

Option (d)

4.

 Lining of canals can bring high areas under command.

(a)

True
(b)

False
Answer:

Option (a)

5.

 Design a lined canal carrying a discharge of 20 cumecs. The slope is 1 in 7000. Assume suitable values for side slopes and lining.

(a)

Side Slope = 1.2: 1, Depth = 4.4 m
(b)

Side Slope = 1.4: 1, Depth = 4.1 m
(c)

 Side Slope = 1.5: 1, Depth = 3.77 m
(d)

Side Slope = 1.3: 1, Depth = 4.5 m
Answer:

Option (c)

6.

 Design a lined canal to carry a discharge of 400 cumecs and slope is 1 in 6000. Take side slopes as 1 : 1 and rugosity constant as 0.012. Assume limiting velocity as 3 m/sec.

(a)

Total Depth = 6.3 m, Bed Width = 15 m
(b)

 Total Depth = 6.28 m, Bed Width = 14.2 m
(c)

Total Depth = 6.5 m, Bed Width = 14 m
(d)

Total Depth = 6.25 m, Bed Width = 14.4 m
Answer:

Option (d)

7.

Depending on what factor does the lining of a canal can increase the capacity of the canal?

(a)

 Width of the Canal
(b)

 Type of Flow
(c)

Velocity
(d)

Side Slope
Answer:

Option (c)

8.

Mathematically, depending on what factor we can say velocity increases the capacity of the canal?

(a)

Coefficient of Viscosity
(b)

 Coefficient of Capillarity
(c)

Coefficient of Roughness
(d)

Coefficient of Resistance
Answer:

Option (c)

9.

What type of major dangers can the lining of canals extinguish?

(a)

Leakages
(b)

 Floods
(c)

Water-logging
(d)

Seepage Losses
Answer:

Option (b)

10.

Which of the following statement is not correct about alluvial soils?

(a)

 It is formed by sediment deposition of silt from the flowing water
(b)

The area of alluvial soil is even
(c)

It has a flat surface slope
(d)

Hard foundations are generally available
Answer:

Option (d)

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