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 15 of 15

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Q141.
A river is said to be of

a.

aggrading type if it builds up its bed to a certain slope

b.

degrading type if it cuts its bed to a certain slope

c.

meandering type if it flows in sinuous curve

d.

all the above.

Discuss
Answer: (d).all the above.
Q142.
A land is said to be water-logged if its soil pores within

a.

a depth of 40 cm are saturated

b.

a depth of 50 cm are saturated

c.

root zone of the crops are saturated

d.

all the above.

Discuss
Answer: (c).root zone of the crops are saturated
Q143.
V and R are the regime mean velocity and hydraulic mean depth respectively in metres. Lacey's silt factor f is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q144.
According to Kennedy, the critical velocity (V0) in metres in a channel is the mean velocity which keeps the channel free from silting or scouring. Its value is given by (where m is critical velocity ratio and D is the depth of the channel).

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q145.
If the height of the hydraulic gradient line above the floor of thickness t is h and the specific gravity of the material of the floor is G, the minimum thickness t of the floor down stream of the crestwall, is given by the equation

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q146.
In case of a trapezoidal notch fall

a.

top width of the notch is kept between 3/4 th of full water depth above the sill of the notch

b.

top length of the piers should not be less than their thickness

c.

splay up stream from the notch section is 45°

d.

all the above.

Discuss
Answer: (d).all the above.
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