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 3 of 29

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Q21.
The mouth piece shown in the below figure is generally known as

a.

Internal mouth piece

b.

Re-entrant mouth piece

c.

Borda's mouth piece

d.

All the above

Discuss
Answer: (d).All the above
Q22.
If S is the length of the crest, H is the height of water source of a weir whose length is L and discharge is Q m³/sec, the velocity of approach Vd is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q23.
If u, v, w are the components of the velocity v of a moving particle, then the following equation represents

a.

one dimensional flow

b.

two dimensional flow

c.

three dimensional flow

d.

none of these

Discuss
Answer: (c).three dimensional flow
Q24.
The terminal velocity (v) of a sphere of radius r and specific weight W, which travels vertically downwards in a liquid of viscosity ฮผ and specific weight W, is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q25.
Hydraulic gradient is equal to difference in water surfaces

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q26.
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).
Q27.
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
Q28.
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
Q29.
The property of steam function ฯˆ is :

a.

ฯˆ 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 ฯˆ 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.
Q30.
The maximum vacuum created at the summit of a syphon is

a.

2.7 m of water

b.

7.4 m of water

c.

5.5 m of water

d.

none.

Discuss
Answer: (b).7.4 m of water
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