Orifices,Notches and Weirs MCQs

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

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

Orifices,Notches and Weirs MCQs | Page 5 of 5

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Q41.
In discharge of water over narrow crested weir, discharge is directly proportional to the cube root of acceleration due to gravity.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q42.
In discharge of water over ogee weir, discharge is directly proportional to the second power of length.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q43.
For discharge over ogee weir discharge is directly proportional to length but for discharge over narrow crested weir it is inversely proportional to length.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q44.
An Ogee weir 5 m long had a head of 40 cm of water. If Cd = 0.61, find the discharge over the weir.

a.

2.9 m³/s

b.

2.3 m³/s

c.

3.1 m³/s

d.

3.3 m³/s

Discuss
Answer: (a).2.9 m³/s
Q45.
The height of water on upstream and downstream side of a submerged weir of 4 m length are 24 cm and 13 cm. If Cd for free and drowned portions are .62 and .78 respectively, find the discharge over the weir.

a.

.85 m³/s

b.

1.35 m³/s

c.

3.2 m³/s

d.

.55 m³/s

Discuss
Answer: (a)..85 m³/s
Q46.
An Ogee weir 3.4 m long had a head of 40 cm of water. If Cd = 0.63 find the discharge over the weir.

a.

1.61 m³/s

b.

2.5 m³/s

c.

3.1 m³/s

d.

3.3 m³/s

Discuss
Answer: (a).1.61 m³/s
Q47.
The height of water on upstream and downstream side of a submerged weir of 4 m length are 23.5 cm and 14 cm. If Cd for free and drowned portions are .61 and .75 respectively, find the discharge over the weir.

a.

m³/s

b.

1.35 m³/s

c.

3.2 m³/s

d.

.55 m³/s

Discuss
Answer: (a).m³/s
Q48.
In discharge of water over narrow crested weir, discharge is directly proportional to the second power of height.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q49.
In discharge of water over Ogee weir, discharge is directly proportional to the first power of length.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
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