Irrigation MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Irrigation, a fundamental topic in the field of Civil Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Irrigation MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Irrigation mcq questions that explore various aspects of Irrigation problems. Each MCQ is crafted to challenge your understanding of Irrigation principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Civil Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Irrigation MCQs are your pathway to success in mastering this essential Civil Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Irrigation. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Irrigation knowledge to the test? Let's get started with our carefully curated MCQs!

Irrigation MCQs | Page 12 of 15

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Q111.
Lacey's equation for calculating flood discharge in rivers, is

a.

V = 10.8 R^1/2 S^1/2

b.

V = 10.8 R^2/3 S^1/2

c.

V = 10.8 R^2/3 S^1/3

d.

V = 10.8 R^1/3 S^2/3

Discuss
Answer: (c).V = 10.8 R^2/3 S^1/3
Q112.
The most suitable section of a lined canal, is

a.

triangular section with circular bottom for small canals

b.

trapezoidal section with rounded corners for large canals

c.

rectangular section with rounded corners for large canals

d.

both (a) and (b)

Discuss
Answer: (d).both (a) and (b)
Q113.
To hold hydraulic jumps, baffle walls are provided in

a.

Sarda type falls

b.

English type falls

c.

Montague type falls

d.

Vertical type falls.

Discuss
Answer: (b).English type falls
Q114.
The uplift pressure on the roof of an inverted syphon, is maximum when

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
Answer: (d).drain is running with H.F.L.
Q115.
In rigid module, the discharge

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

Discuss
Answer: (a).is independent of water levels in the distributary and water course
Q116.
The ratio of the rate of change of discharge of an outlet and parent channel, is known as

a.

efficiency

b.

sensitivity

c.

flexibility

d.

modular limit.

Discuss
Answer: (c).flexibility
Q117.
According to Lacey, in regime conditions

a.

silt is kept in suspension by vertical components of eddies

b.

entire cross-section of the channel is generated at all points by the forces normal to the wetted perimeter

c.

both (a) and (b)

d.

neither (a) nor (b).

Discuss
Answer: (c).both (a) and (b)
Q118.
Process of meandering is due to

a.

sediment load of streams

b.

discharge and hydraulic properties of streams

c.

relative erodibility of the bed and banks

d.

all the above.

Discuss
Answer: (d).all the above.
Q119.
For cereal crops the most commonly adopted method of irrigation, is

a.

free flowing method

b.

check method

c.

furrow method

d.

sprinkling method.

Discuss
Answer: (b).check method
Q120.
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

a.

an aqueduct

b.

a syphon aqueduct

c.

a super passage

d.

a syphon.

Discuss
Answer: (a).an aqueduct
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