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 6 of 15

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Q51.
For a given discharge in a channel, Blench curves give the relationship between the loss of head (HL) and

a.

specific energy up-stream

b.

specific energy down-stream

c.

critical depth of water down-stream

d.

depth of water down-stream

Discuss
Answer: (b).specific energy down-stream
Q52.
Borrow pits should preferably be located in

a.

field on the left side of the canal

b.

field on the right side of the canal

c.

fields on both sides of the canal

d.

central half width of the section of the canal.

Discuss
Answer: (d).central half width of the section of the canal.
Q53.
Irrigation canals are generally aligned along

a.

ridge line

b.

contour line

c.

valley line

d.

straight line.

Discuss
Answer: (a).ridge line
Q54.
The length of a meander is the distance along the river between the tangent point of one curve to the tangent point of

a.

reverse curve

b.

next curve of the same order

c.

reverse curve plus the width of the river

d.

none of these.

Discuss
Answer: (b).next curve of the same order
Q55.
Pick up the incorrect statement from the following

a.

Side walls of a venturi head flume are splayed out from the end of the throat at 1 : 10 for a length of 4.5 m

b.

Length of side walls should be such that the width of the flume is made equal to 2/3rd the bed width of the distributary

c.

Once the width of the flume becomes 2/3rd of the width of the distributary, the splayed walls are increased to 1 in 3 to get full bed width

d.

None of these.

Discuss
Answer: (d).None of these.
Q56.
If L is total length of a canal in kilometres, P is total perimeter of its lining in metres and C is the cost of lining per square metre, the additional expenditure involved on lining, is

a.

1000 PLC

b.

PLC/1000

c.

PL/1000C

d.

PC/100L

Discuss
Answer: (a).1000 PLC
Q57.
Pick up the incorrect statement from the following:

a.

In free flooding irrigation, water is admitted at one corner of a field and is allowed to spread over the entire area

b.

In check method of irrigation, the field is divided into smaller compartments and water is admitted to each in turn

c.

In furrow irrigation water is admitted between the rows of plants in the field

d.

None of these.

Discuss
Answer: (d).None of these.
Q58.
In a Sarda type fall, the rectangular crest, may be used for discharge upto

a.

6 cumecs

b.

10 cumecs

c.

14 cumecs

d.

20 cumecs

Discuss
Answer: (c).14 cumecs
Q59.
When a canal is carried over a natural drainage, the structure provided, is known as

a.

syphon

b.

aqueduct

c.

super passage

d.

syphon-aqueduct.

Discuss
Answer: (b).aqueduct
Q60.
Useful soil moisture for plant growth, is

a.

capillary water

b.

gravity water

c.

hygroscopic water

d.

chemical water

Discuss
Answer: (a).capillary water
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