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 15 of 29

Discover more Topics under Civil Engineering

Q141.
A non-uniform steady flow is through

a.

a long tube at a decreasing rate

b.

an expanding tube at constant rate

c.

an expanding tube at increasing rate

d.

a long pipe at increasing rate.

Discuss
Answer: (b).an expanding tube at constant rate
Q142.
An ideal fluid is

a.

incompressible

b.

compressible

c.

compressible and non-viscous

d.

slightly affected by surface torque.

Discuss
Answer: (c).compressible and non-viscous
Q143.
A fluid particle may possess the displacement of

a.

translation

b.

rotation

c.

distortion

d.

all the above.

Discuss
Answer: (d).all the above.
Q144.
In Chezy's formula V = Cโˆšmi

a.

V is the mean velocity of flow

b.

m is the hydraulic mean depth

c.

i is the loss of head per unit length of pipe

d.

All the above.

Discuss
Answer: (d).All the above.
Q145.
Pick up the correct statement from the following :

a.

When the length of the tube is equal to diameter of the internal mouth piece, the jet of liquid comes out without touching the sides of the tube

b.

When the length of the tube is three times the diameter of the internal mouth piece, the jet diameter is equal to diameter of the tube.

c.

both (a) and (b)

d.

Neither (a) nor (b).

Discuss
Answer: (c).both (a) and (b)
Q146.
If total head available at the inlet of pipe and f1 is the loss of head due to friction in the pipe, the maximum efficiency of transmission of power (ฮทmax) is

a.

1/2

b.

2/3

c.

3/4

d.

4/5

Discuss
Answer: (b).2/3
Q147.
Piezometers 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: (d).very low pressure.
Q148.
Atmospheric pressure is equal to water column head of

a.

9.81 m

b.

5.0 m

c.

10.30 m

d.

7.5 m.

Discuss
Answer: (c).10.30 m
Q149.
Shear stress is directly proportional to

a.

the velocity

b.

the shear strain

c.

the viscosity

d.

the velocity.

Discuss
Answer: (b).the shear strain
Q150.
To avoid an interruption in the flow of a syphon, an air vessel is provided

a.

at the inlet

b.

at the outlet

c.

at the summit

d.

at any point between intet and outlet.

Discuss
Answer: (c).at the summit
Page 15 of 29