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 5 of 15

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Q41.
Pick up the correct statement from the following

a.

Approach of the water line in a flumed channel section should not be steeper than 22.5°

b.

Departure of the water line from a flumed channel section should not be steeper than 30°

c.

Approach of the water line should not be steeper than 30° and departure line not steeper than 22.5° in a flumed channel section

d.

Approach and departure of the water line in a flumed channel section, should not be steeper than 22.5°

Discuss
Answer: (c).Approach of the water line should not be steeper than 30° and departure line not steeper than 22.5° in a flumed channel section
Q42.
Groynes are generally built

a.

perpendicular to the bank

b.

inclined up stream up to 30°

c.

inclined down stream upto 30°

d.

all the above.

Discuss
Answer: (b).inclined up stream up to 30°
Q43.
The top of the capillary zone

a.

lies below the water table at every point

b.

lies above the water table at every point

c.

coincides the water table at every point

d.

none of these.

Discuss
Answer: (b).lies above the water table at every point
Q44.
Pick up the incorrect statement from the following. Culturable commanded area is the gross area of an irrigation canal system less

a.

populated area

b.

alkaline area

c.

forest area

d.

fallow land.

Discuss
Answer: (d).fallow land.
Q45.
Pick up the correct statement from the following:

a.

Duty of canal water is defined as the total area irrigated by the discharge averaging one unit during the base period of the duty

b.

Duty of canal water is usually calculated at the head discharge of a channel

c.

Duty of canal water at the head of a channel and at the outlet of a distributary, differ considerably due to progressive losses of water

d.

All the above.

Discuss
Answer: (d).All the above.
Q46.
Water-shed line is abondened for aligning an irrigation canal if

a.

water shed forms a sharp loop

b.

canal has to take off from a river

c.

towns and villages are located on the water shed line

d.

all the above.

Discuss
Answer: (d).all the above.
Q47.
Pick up the incorrect statement from the following

a.

A bank in the cross-section of a canal is provided on the right

b.

A bank in the cross-section of a canal is provided on the left

c.

A 'dowla' in the cross-section of a canal is provided on the left

d.

None of these.

Discuss
Answer: (b).A bank in the cross-section of a canal is provided on the left
Q48.
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
Q49.
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.
Q50.
Irrigation canals are generally aligned along

a.

ridge line

b.

contour line

c.

valley line

d.

straight line.

Discuss
Answer: (a).ridge line
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