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 23 of 29

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Q221.
One metric slug is equal to

a.

1 kg wt

b.

9.81 kg wt

c.

9.81 kg mass

d.

0.98 kg wt.

Discuss
Answer: (c).9.81 kg mass
Q222.
Falling drops of water become spheres due to

a.

adhesion

b.

cohesion

c.

surface tension

d.

viscosity.

Discuss
Answer: (c).surface tension
Q223.
The most efficient channel section, is

a.

semi-circular

b.

rectangular

c.

triangular

d.

half hexagon in the form of trapezoid.

Discuss
Answer: (d).half hexagon in the form of trapezoid.
Q224.
With a clinging nappe of a weir, the excess discharge, is

a.

6% to 7%

b.

8% to 10%

c.

18% to 20%

d.

25% to 30%

Discuss
Answer: (d).25% to 30%
Q225.
For steady flow in open channels, which one of the following does not change :

a.

depth of flow

b.

velocity of flow

c.

rate of flow

d.

All of these.

Discuss
Answer: (d).All of these.
Q226.
Chezy's formula is used to determine

a.

head loss due to friction in pipe

b.

velocity of flow in pipe

c.

velocity of flow in open channels

d.

none of these.

Discuss
Answer: (c).velocity of flow in open channels
Q227.
The metacentric height of a body equals the distance between

a.

the centre of gravity and centre of buoyancy

b.

the metacentre and centre of gravity

c.

the centre of buoyancy and metacentre

d.

none of these.

Discuss
Answer: (b).the metacentre and centre of gravity
Q228.
Discharge through a totally submerged orifice, is directly proportional to

a.

difference in elevation of water surfaces

b.

square root of the difference in elevation of water surface

c.

square root of the opening

d.

reciprocal of the area of the opening

Discuss
Answer: (b).square root of the difference in elevation of water surface
Q229.
Frictional loss of head includes the loss of energy due to

a.

viscosity

b.

turbulence

c.

both (a) and (b)

d.

none of these.

Discuss
Answer: (d).none of these.
Q230.
The length of hydraulic jump is roughly

a.

2 to 3 times its height

b.

3 to 5 times its height

c.

5 to 7 times its height

d.

None of these.

Discuss
Answer: (c).5 to 7 times its height
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