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.

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Spillways and Spillway Gates MCQs | Page 8 of 9

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Q71.
Which of the following gate works on the principle of counterweights against the water pressure?

a.

Dropping shutters

b.

Stop logs and needles

c.

Stoney roller gate

d.

Drum gates

Discuss
Answer: (a).Dropping shutters
Q72.
The spillway which can be called as an overflow spillway is essentially ___________________

a.

an ogee spillway

b.

a shaft spillway

c.

a chute spillway

d.

a syphon spillway

Discuss
Answer: (a).an ogee spillway
Q73.
The W.E.S downstream profile of an ogee spillway can be represented by an equation:

Xⁿ = K Hdⁿ⁻¹. Y

Where x and y are the coordinates of the points on the crest profile and K and n for a vertical upstream spillway would respectively be___________________

a.

2.0 and 1.85

b.

0.5 and 1.85

c.

2.0 and 0.85

d.

0.5 and 0.85

Discuss
Answer: (a).2.0 and 1.85
Q74.
According to US Army Corps, the u/s profile of ogee spillway extends up to _______________

a.

x = 1.27 Hd

b.

x = -1.27 Hd

c.

x = 0.431 Hd

d.

x = -0.431 Hd

Discuss
Answer: (b).x = -1.27 Hd
Q75.
Which of the following plot is useful in determining the clearance for the spillway deck bridge and the top levels of walls on the side of the spillway?

a.

The coordinates of the lower nappe

b.

The coordinates of the upper nappe

c.

Both the coordinates of upper and lower nappe

d.

The origin or apex of crest

Discuss
Answer: (b).The coordinates of the upper nappe
Q76.
What is the satisfactory radius for the reverse bottom curve which is provided at the downstream end of the spillway?

a.

One-fourth of the spillway height

b.

Equal to the spillway height

c.

Half the value of the spillway height

d.

One-third of the spillway height

Discuss
Answer: (a).One-fourth of the spillway height
Q77.
What is Bazin’s profile?

a.

Profile for the lower nappe of a free-falling jet

b.

The profile obtained for the upper nappe of a free-falling jet

c.

Crest profile

d.

Profile of both upper and lower nappe

Discuss
Answer: (a).Profile for the lower nappe of a free-falling jet
Q78.
If the upstream face of the spillway is kept vertical, the crest shape should also confirm to the lower nappe of an inclined sharp-crested weir.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q79.
The discharge passing over an ogee spillway per unit length of its apex line is proportional ___________________

a.

H

b.

H²

c.

H^1/2

d.

H^3/2

Discuss
Answer: (d).H^3/2
Q80.
When the crest of an ogee spillway is designed to be in accordance with the lower nappe of a free-falling water jet over a duly ventilated sharp-crested weir then theoretically

a.

The pressure on the spillway crest will be zero at design head only

b.

The pressure on the spillway crest will always be zero

c.

The pressure on the spillway crest will always be negative

d.

The pressure on the spillway crest will be always positive

Discuss
Answer: (a).The pressure on the spillway crest will be zero at design head only
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