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 4 of 29

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Q31.
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
Q32.
Which one of the following equation is applicable to unsteady flow in open channels :

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (d).D
Q33.
Dimensions of the dynamic viscosity (ฮผ) are

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (d).D
Q34.
For pipes not running full, the hydraulic mean depth is given by

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q35.
The following equation for the viscosity, is suggested

a.

Bernoulli

b.

Newton

c.

Chezy

d.

Bezin

Discuss
Answer: (b).Newton
Q36.
The ratio of time for completely emptying the hemispherical tank and circular horizontal tank of equal radii both fitted with similar orifices at their bottoms is :

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q37.
To replace a pipe of diameter D by n parallel pipes of diameter d, the formula is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (d).D
Q38.
If a1 and a2 are the cross-sectional areas of a tank and orifice, h the height of water level in tank above the centre of the orifice, the velocity of approach is given by

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q39.
If E1 and E2 are the specific energies at the start of back water curve and at the maximum rise of water respectively and ib and ie are the head slope and the energy line slope respectively, the length of back water (L) is given by

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q40.
The velocity of flow at the critical depth (hc) is called critical velocity (Vc) which is equal to

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
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