Hydraulics MCQs

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

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

Hydraulics MCQs | Page 6 of 29

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Q51.
The detention time of a circular tank of diameter d and water depth H, for receiving the sewage Q per hour, is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q52.
Pick up the correct statement regarding Borda's mouth piece running full from the following :

a.

Actual velocity at the out let is √gH

b.

Theoretical velocity at the outlet is √2gH

c.

Coefficient of velocity is 1/√2

d.

All the above.

Discuss
Answer: (d).All the above.
Q53.
Differential manometers are used to measure

a.

pressure in water channels, pipes, etc.

b.

difference in pressure at two points

c.

atmospheric pressure

d.

very low pressure.

Discuss
Answer: (b).difference in pressure at two points
Q54.
A tank 4m x 3m x 2m containing an oil of specific gravity 0.83 is moved with an acceleration g/2 m sec². The ratio of the pressures at its bottom when it is moving vertically up and down, is

a.

2

b.

3

c.

1/2

d.

1/3

Discuss
Answer: (b).3
Q55.
Highest dam in India, is

a.

Bhakra dam

b.

Hirakund dam

c.

Nagarjuna Sagar dam

d.

Iddiki dam.

Discuss
Answer: (a).Bhakra dam
Q56.
A short tube mouthpiece will not run full at its outlet if the head under which the orifice works, is

a.

less than 12.2 m of the water

b.

more than 12.2 m of the water

c.

equal of 12.2 m of water

d.

none of these.

Discuss
Answer: (b).more than 12.2 m of the water
Q57.
Hydrostatic pressure on a dam depends upon its

a.

length

b.

depth

c.

shape

d.

both (b) and (c).

Discuss
Answer: (d).both (b) and (c).
Q58.
A pitot tube is used to measure

a.

pressure

b.

difference in pressure

c.

velocity of flow

d.

none of these.

Discuss
Answer: (c).velocity of flow
Q59.
The thickness of a sharp crested weir is kept less than

a.

one-third of the height of water on the sill

b.

one-half of the height of water on the sill

c.

one-fourth of the height of water on the sill

d.

two-third of the height of water on the sill

Discuss
Answer: (b).one-half of the height of water on the sill
Q60.
The property of steam function ψ is :

a.

ψ is constant everwhere on any stream line

b.

the flow around any path in the fluid is zero for continuous flow

c.

the rate of change of ψ with distance in an arbitrary direction, is proportional to the component of velocity normal to that direction

d.

all the above.

Discuss
Answer: (d).all the above.
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