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 4 of 15

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Q31.
The crest level of a canal diversion head work, depends upon

a.

F.S.L. of the canal

b.

discharge perimeters

c.

pond level

d.

all the above

Discuss
Answer: (d).all the above
Q32.
The depth of rice root zone, is

a.

50 cm

b.

60 cm

c.

70 cm

d.

90 cm

Discuss
Answer: (d).90 cm
Q33.
The intensity of irrigation means

a.

percentage of culturable commanded area to be irrigated annually

b.

percentage of gross commanded area to be irrigated annually

c.

percentage of the mean of culturable commanded area and the gross commanded area to be irrigated annually

d.

total depth of water supplied by the number of waterings.

Discuss
Answer: (a).percentage of culturable commanded area to be irrigated annually
Q34.
The saturation line is the line up to which banks get saturated after the canal runs for some time. The saturation gradient in ordinary loam soil, is generally

a.

2 : 1

b.

3 : 1

c.

4 : 1

d.

5 : 1

Discuss
Answer: (c).4 : 1
Q35.
The depth of the crest of a scouring sluice below the crest of a head regulator, is generally kept

a.

0.20 m

b.

1.20 m

c.

2.20 m

d.

3.20 m

Discuss
Answer: (b).1.20 m
Q36.
A river training work is generally required when the river is

a.

meandering

b.

aggrading

c.

degrading

d.

all the above.

Discuss
Answer: (a).meandering
Q37.
Pick up the correct statement from the following:

a.

If the flexibility is more than one, the outlet is hyper-proportional

b.

If the setting of an outlet is higher than that required for proportionality, the outlet is hyper-proportional

c.

If the setting of an outlet is lower than that required for proportionality, the outlet is sub-proportional

d.

All the above.

Discuss
Answer: (d).All the above.
Q38.
According to G.W. Pickles the effect of confining the flood water of a river between levee, is to increase

a.

rate of flood wave

b.

water surface elevation during floods

c.

maximum discharge

d.

surface slope of streams above the leveed portion.

Discuss
Answer: (d).surface slope of streams above the leveed portion.
Q39.
In a canal syphon, the flow is

a.

under atmospheric pressure

b.

pipe flow

c.

with critical velocity

d.

under negative pressure.

Discuss
Answer: (b).pipe flow
Q40.
A water-logged land is found suitable for cultivation due to

a.

ease of tillage for preparation of the field for optimum condition of germination

b.

absence of aeration of soil from root zone of the plant

c.

regular supply of water to plants from the water table by capillary action

d.

none of these.

Discuss
Answer: (d).none of these.
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