Canal Irrigation System and Canal Falls MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Canal Irrigation System and Canal Falls, a fundamental topic in the field of Irrigation Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Canal Irrigation System and Canal Falls 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 Canal Irrigation System and Canal Falls mcq questions that explore various aspects of Canal Irrigation System and Canal Falls problems. Each MCQ is crafted to challenge your understanding of Canal Irrigation System and Canal Falls principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Irrigation Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Canal Irrigation System and Canal Falls MCQs are your pathway to success in mastering this essential Irrigation Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Canal Irrigation System and Canal Falls. 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 Canal Irrigation System and Canal Falls knowledge to the test? Let's get started with our carefully curated MCQs!

Canal Irrigation System and Canal Falls MCQs | Page 8 of 16

Discover more Topics under Irrigation Engineering

Q71.
What is the limitation of the Shield’s expression?

a.

It can be used when the diameter of a particle (d) is < 6mm and Reynold’s number > 400

b.

It can be used only when Reynold’s number > 400

c.

It can be used only when the diameter of the particle is < 6 mm

d.

It can be used when the diameter of a particle is > 6mm and Reynold’s number > 400

Discuss
Answer: (d).It can be used when the diameter of a particle is > 6mm and Reynold’s number > 400
Q72.
Calculate the Manning’s rugosity coefficient in a coarse alluvium gravel with D-75 size of 5 cm.

a.

0.025 m

b.

0.035 m

c.

0.055 m

d.

0.1 m

Discuss
Answer: (a).0.025 m
Q73.
The manning’s coefficient for a lined trapezoidal channel with a bed slope of 1 in 4000 is 0.014 and it will be 0.028 if the channel is unlined. The area in the case of the lined section is 19.04 m² and for the unlined section is 29.09 m². What percentage of earthwork is saved in a lined section relative to an unlined section, when a hydraulically efficient section is used in both the cases?

a.

24.44 %

b.

34.55%

c.

50%

d.

37.66%

Discuss
Answer: (b).34.55%
Q74.
Calculate the critical tractive stress if the median diameter of the sand bed is 1.0 mm.

a.

0.53 N/m²

b.

0.61 N/m²

c.

0.73 N/m²

d.

1.61 N/m²

Discuss
Answer: (a).0.53 N/m²
Q75.
Calculate the ratio of the tractive critical stress to the average shear stress if the water flows at a depth of 0.8 m in a wide stream having a bed slope of 1 in 3000. The median diameter of the sand bed is 2 mm.

a.

0.53

b.

1.86

c.

0.86

d.

1.53

Discuss
Answer: (a).0.53
Q76.
Determine the shear stress required to move the single grain on the side slopes, if the critical shear stress required moving the similar grain on the horizontal bed is 2.91 N/m². Consider the angle of the side slope with the horizontal as 30° and the angle of repose of soil as 37°.

a.

1.61 N/m²

b.

2.61 N/m²

c.

2.91 N/m²

d.

1.00 N/m²

Discuss
Answer: (a).1.61 N/m²
Q77.
The shear stress required to move grain on the side slopes is less than the shear stress required to move the grain on the canal bed.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q78.
Design of alluvial channels in India is based on Kennedy and Lacey theories.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q79.
On what condition does the resistance equations of Chezy’s formula and manning’s formula are applicable?

a.

Ο„o

b.

Ο„c

c.

Ο„o < Ο„c

d.

Ο„o > Ο„c

Discuss
Answer: (c).Ο„o < Ο„c
Q80.
What is the problem in India for artificial channels?

a.

Formation of Depressions

b.

Formation of Alluvial Soil

c.

Untimely Rains

d.

Improper Usage of Channels

Discuss
Answer: (b).Formation of Alluvial Soil
Page 8 of 16