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 14 of 15

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Q131.
Pick up the correct statement from the following

a.

Escapes are essential safety valves in a canal system

b.

The capacity of escapes should not be less than the capacity of the canal at its location

c.

The escapes must lead the surplus water to natural drainages

d.

All the above.

Discuss
Answer: (d).All the above.
Q132.
According to Lacey, depth of scour in a river depends upon the straightness of the reach. If D is the depth of scour in regime flow in a right angled bend, it is

a.

1.25 D

b.

1.50 D

c.

1.75 D

d.

2.00 D

Discuss
Answer: (d).2.00 D
Q133.
The width of a dowla is generally kept between 30 to 60 cm and its height above the road level should invariably be more than

a.

10 cm

b.

20 cm

c.

30 cm

d.

40 cm

Discuss
Answer: (c).30 cm
Q134.
Cross regulators in main canals are provided

a.

to regulate water supply in the distributaries

b.

to increase water head upstream when a main canal is running with low supplies

c.

to overflow excessive flow water

d.

none of these.

Discuss
Answer: (b).to increase water head upstream when a main canal is running with low supplies
Q135.
The ratio of the head recovered to the head put in, is known as

a.

efficiency

b.

sensitivity

c.

flexibility

d.

modular limit.

Discuss
Answer: (a).efficiency
Q136.
The level of the fioor of a syphon aqueduct can be obtained

a.

by subtracting the depth of the culvert from the canal bed level

b.

by subtracting the thickness of culvert plus the depth of the culvert from the canal bed level

c.

both (a) and (b)

d.

none of these.

Discuss
Answer: (b).by subtracting the thickness of culvert plus the depth of the culvert from the canal bed level
Q137.
A fall which maintains its depth, is

a.

a trapezoidal notch fall

b.

a low weir fall

c.

a rectangular notch fall

d.

all the above.

Discuss
Answer: (d).all the above.
Q138.
The water face of the guide banks, is protected by

a.

one men stone pitching

b.

two man stone pitching

c.

three man stone pitching

d.

four man stone pitching

Discuss
Answer: (a).one men stone pitching
Q139.
If the straight sides of a triangular section of a lined canal with circular bottom of radius D, make an angle ฮธ with horizontal, the hydraulic mean depth is

a.

D

b.

D/2

c.

D/3

d.

D/4

Discuss
Answer: (b).D/2
Q140.
If water table is comparatively high, the irrigation canal becomes useless, due to

a.

large amount of seepage

b.

water logging of the cultivated areas

c.

uncertain water demand

d.

all the above.

Discuss
Answer: (d).all the above.
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