Spillways and Spillway Gates MCQs

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

Spillways and Spillway Gates MCQs | Page 7 of 9

Discover more Topics under Irrigation Engineering

Q61.
The formation of hydraulic jump at the foot of a spillway is one of the common methods of energy dissipation because ______________________

a.

it destroys more than 90% of total energy by the turbulence produced in the jump

b.

it reduces the kinetic energy by increasing the depth of flow

c.

its action is not understood

d.

it reduces the kinetic energy by decreasing the depth of flow

Discuss
Answer: (a).it destroys more than 90% of total energy by the turbulence produced in the jump
Q62.
A ski-jump bucket is also known as _____________________

a.

flip bucket

b.

solid roller bucket

c.

slotted roller bucket

d.

flexible bucket

Discuss
Answer: (a).flip bucket
Q63.
The percentage of energy dissipation in a hydraulic jump increases with the increase in the Froude number.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q64.
Which of the following stilling basin help in stabilizing the flow and improve the jump performance?

a.

dentated sills

b.

chute blocks

c.

baffle piers

d.

friction blocks

Discuss
Answer: (b).chute blocks
Q65.
What is the expected solution for the case when the T.W.C is lying above the J.H.C curve at all discharges?

a.

By providing a simple concrete apron of length 5(Y₁ – Y₂)

b.

By providing a sloping apron above the river bed

c.

By providing a sloping apron below the river bed

d.

Provision of a ski-jump bucket

Discuss
Answer: (b).By providing a sloping apron above the river bed
Q66.
A sloping apron is provided partly above the river bed and partly below the river bed in case of ____________________________

a.

when TWC coincides with the JHC at all discharges

b.

when TWC lies above the JHC at all discharges

c.

when TWC lies below the JHC at all discharges

d.

when TWC lies above the JHC at low discharges and below the JHC at high discharges

Discuss
Answer: (d).when TWC lies above the JHC at low discharges and below the JHC at high discharges
Q67.
When the TWC lies below the JHC at all discharges, the problem can be solved by which of the following provisions?

i. Constructing a sloping apron above the river bed
ii. Provision of roller bucket type of energy dissipator
iii. Provision of a ski-jump bucket
iv. A sloping apron below the river bed
v. Construction of a subsidiary dam
vi. A sloping apron partly above and partly below the river bed

a.

i, iii and v

b.

i, ii and vi

c.

iii, iv and v

d.

i, iii, iv and v

Discuss
Answer: (c).iii, iv and v
Q68.
A troublesome and oscillating hydraulic jump is normally met in cases of _____________

a.

weirs and barrages

b.

overflow spillways of dams

c.

weirs

d.

large spillways

Discuss
Answer: (a).weirs and barrages
Q69.
A very steady and stable hydraulic jump is usually formed in the flows involving the approaching Froude number in the range of _____________________

a.

less than 2.5

b.

2.5 to 4.5

c.

4.5 to 9.0

d.

more than 9.0

Discuss
Answer: (c).4.5 to 9.0
Q70.
Standard USBR stilling basin-II is useful for energy dissipation at the bottom of the overflow structure, if the approaching Froude number is ________________

a.

less than 4.5

b.

more than 4.5

c.

less than 2.5

d.

more than 2.5

Discuss
Answer: (b).more than 4.5
Page 7 of 9