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 10 of 29

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Q91.
The discharge over a Cipolletti weir of length 2.185 m when the head over the weir is 1 m, is

a.

2.0 m³

b.

2.5 m³

c.

3.0 m³

d.

4.0 m³.

Discuss
Answer: (d).4.0 m³.
Q92.
The velocity of the fluid particle at the centre of the pipe section, is

a.

minimum

b.

maximum

c.

equal throughout

d.

none of these.

Discuss
Answer: (b).maximum
Q93.
Due to decrease of diameter of the droplet, inside pressure intensity

a.

increases

b.

decreases

c.

remains unaffected

d.

None of these.

Discuss
Answer: (a).increases
Q94.
In order to avoid capillary correction, the minimum diameter of a manometer used for measuring pressure, should be

a.

2 mm

b.

4 mm

c.

6 mm

d.

8 mm

Discuss
Answer: (c).6 mm
Q95.
From a nozzle exposed to atmosphere, the liquid jet traverses

a.

a straight line

b.

a circular path

c.

an elliptical path

d.

a parabolic path.

Discuss
Answer: (d).a parabolic path.
Q96.
To avoid the force of surface tension in an inclined manometer, the minimum angle of inclination is

a.

2°

b.

3°

c.

4°

d.

5°

Discuss
Answer: (c).4°
Q97.
An orifice is taken as large if

a.

(H2 - H1) > H

b.

(H2 - H1) > H/4

c.

(H2 - H1) > H/2

d.

(H2 - H1) > H/3

Discuss
Answer: (d).(H2 - H1) > H/3
Q98.
A closed cylindrical vessel of 100 cm diameter and 200 cm high is completely filled with a liquid (sp. weight 1600 kg/m³) when rotated about its vertical axis at 100 r.p.m. The total pressure on its lid, is

a.

459 kg

b.

549 kg

c.

945 kg

d.

954 kg

Discuss
Answer: (d).954 kg
Q99.
If jet of water coming out from a nozzle with a velocity 9.81 m/s, the angle of elevation being 30°, the time to reach the highest point is

a.

0.25 s

b.

0.50 s

c.

1.0 s

d.

1.5 s.

Discuss
Answer: (b).0.50 s
Q100.
The discharge through a 100 mm diameter external mouth piece fitted to the side of a large vessel is 0.05948 m³/s. The head over the mouth piece is

a.

2 m

b.

2.5 m

c.

3.0 m

d.

4.0 m.

Discuss
Answer: (d).4.0 m.
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