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 2 of 29

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Q11.
In a circular pipe of length L and diameter d, a viscous liquid is flowing with a velocity v. The loss in head, is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q12.
A pipe consisting of several pipes of varying diameters and lengths, may be replaced by an equivalent pipe of diameter D of length

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q13.
The following Empirical formula for discharge over large rectangular weirs, is known as

a.

Francis formula

b.

Bazin formula

c.

Rehbook formula

d.

Kutter's formula

Discuss
Answer: (b).Bazin formula
Q14.
The diameter (d) of a nozzle fixed at the end of a pipe (diameter D, length L) for maximum energy, is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q15.
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.
Q16.
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
Q17.
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
Q18.
Highest dam in India, is

a.

Bhakra dam

b.

Hirakund dam

c.

Nagarjuna Sagar dam

d.

Iddiki dam.

Discuss
Answer: (a).Bhakra dam
Q19.
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
Q20.
The most familiar form of Bernoulli's equation, is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
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