Sediment Transport MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Sediment Transport, 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 Sediment Transport 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 Sediment Transport mcq questions that explore various aspects of Sediment Transport problems. Each MCQ is crafted to challenge your understanding of Sediment Transport 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 Sediment Transport 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 Sediment Transport. 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 Sediment Transport knowledge to the test? Let's get started with our carefully curated MCQs!

Sediment Transport MCQs | Page 4 of 5

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Q31.
Which of the following statement is not correct about Einstein’s theory?

a.

He put forward a mathematical approach to the problem of bed load transport

b.

He further postulated probability of the grain being dislodged is directly proportional to the lift force which the flow can exert on the grain

c.

He introduced a factor called Einstein’s bedload function

d.

He gave a curve graph which can be used to compute the bedload transport rate of a given channel

Discuss
Answer: (a).He put forward a mathematical approach to the problem of bed load transport
Q32.
If the width of a river increases, the discharge per unit width will decrease and therefore, sediment carrying capacity will increase.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q33.
Which of the following statement is not correct about sediment load phenomenon and its measurement?

a.

The material is kept in suspension by the turbulence or by the generation of eddies

b.

In laminar flow, the shear stress is caused due to the difference of the velocities at the top and the bottom

c.

In turbulent flow, momentum transfer is not very significant

d.

Due to the formation of eddies, the sediment transfer from high concentration regions to the low concentration regions takes place

Discuss
Answer: (c).In turbulent flow, momentum transfer is not very significant
Q34.
The sediment confined along and above the bed up to a depth ‘2d’ (d being grain size) is treated as bed load.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q35.
In a wide stream, a suspended load sample taken at a height of 0.30 m from the bed. The stream is 5.0 m deep and has a bed slope of 1/4000. The bed material can be of uniform size. Estimate the shear friction velocity.

a.

0.111 m/s

b.

0.211 m/s

c.

0.311 m/s

d.

0.711 m/s

Discuss
Answer: (a).0.111 m/s
Q36.
For the usual turbulent flow, calculate the critical shear stress if the mean diameter of the grain particle of bed material is 0.3 mm.

a.

0.300 N/m²

b.

0.106 N/m²

c.

0.206 N/m²

d.

0.116 N/m²

Discuss
Answer: (c).0.206 N/m²
Q37.
Calculate the corresponding hydraulic mean depth that would exist in the channel if the bed was unrippled. The rugosity coefficient in an unrippled channel is 0.015 and the rugosity coefficient actually observed by experiments on the rippled bed of channel is 0.020. Consider the value of hydraulic mean depth of the channel as 1.5 m.

a.

1.5 m

b.

2.5 m

c.

0.97 m

d.

0.77 m

Discuss
Answer: (c).0.97 m
Q38.
Calculate the quantity of bed load transport by using Meyer and Peter formula if the effective tractive force that causes bed load transportation is 2.5 N/m².

a.

1.04 N/m/second

b.

1.5 N/m/second

c.

2.5 N/m/second

d.

0.476 N/m/second

Discuss
Answer: (a).1.04 N/m/second
Q39.
Calculate the effective unit tractive force that causes bed load transportation if the unit tractive force produced by the flowing water is 3.20 N/m². The Manning’s coefficient on an unrippled bed is 0.0108 and the actual observed value of Manning’s coefficient on ripped channels is 0.0222. Take the value of critical shear stress that is required to move the grain particle as 0.5 N/m².

a.

1.58 N/m²

b.

0.222 N/m²

c.

1.08 N/m²

d.

0.58 N/m²

Discuss
Answer: (d).0.58 N/m²
Q40.
The actual capacity of silt laiden water channel is worked out with 1/2 : 1 side slopes.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
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