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.
For diversion of flood water of rivers, the type of canal constructed, is

a.

ridge canal

b.

perennial canal

c.

inundation canal

d.

canal.

Discuss
Answer: (c).inundation canal
Q112.
To control the silt entry into a distributary at head regulator, King's vanes are provided which are the walls

a.

of R.C.C. or steel plate 8 cm thick

b.

of height l/3rd to l/4th the depth of water in the main canal

c.

spaced at interval of 1.5 times their heights

d.

all the above.

Discuss
Answer: (d).all the above.
Q113.
The ratio of the rate of change of discharge of an outlet to the rate of change in level of water surface in a distributary at its normal depth, is known as

a.

efficiency

b.

sensitivity

c.

flexibility

d.

modular limit.

Discuss
Answer: (b).sensitivity
Q114.
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
Q115.
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)
Q116.
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
Q117.
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.
Q118.
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
Q119.
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
Q120.
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)
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