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 1 of 29

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Q1.
The time required to close a valve gradually is (where L is the length of pipe and C = velocity of pressure wave)

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q2.
The moment of inertia of a floating body along its longitudinal axis and the volume of water displaced by it are I and V respectively. The height of the metacentre above centre of buoyancy of the body, is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q3.
Time of emptying liquid from a hemispherical vessel through an orifice at its bottom, is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (d).D
Q4.
Critical depth (h) of a channel, is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q5.
Product of Renold number, Froud's number and Mach number is :

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q6.
Pick up the correct statement from the following :

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q7.
A cylinder 3 m in diameter and 4 m long retains water one side as shown in the below figure. If the weight of the cylinder is 2000 kgf, the horizontal reaction at B is

a.

10,000 kgf

b.

15,000 kgf

c.

20,000 kgf

d.

18,000 kgf

Discuss
Answer: (d).18,000 kgf
Q8.
Discharge Q over a rectangular weir of length L and height H, is given by the equation

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (d).D
Q9.
Euler's equation for motion of liquids, is given by

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q10.
If D is the diameter of a pipe of length L and f is the coefficient of friction of pipe then diameter of the nozzle d is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
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