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 27 of 29

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Q261.
The flow is called rotational if its velocity normal to the plane of area is equal to

a.

angular velocity vector

b.

twice the angular velocity vector

c.

thrice the angular velocity vector

d.

none of these.

Discuss
Answer: (b).twice the angular velocity vector
Q262.
In flowing liquids pitot tubes are used measure

a.

discharge

b.

pressure

c.

velocity

d.

depth.

Discuss
Answer: (c).velocity
Q263.
Capillary rise of water is

a.

directly proportional to surface tension

b.

inversely proportional to water density

c.

inversely proportional to diameter of the tube

d.

All of these.

Discuss
Answer: (d).All of these.
Q264.
A water tank partially filled with water is being carried on a truck moving with a constant horizontal acceleration. The level of the water

a.

rises on the front side of the tank

b.

falls on the back side of the tank

c.

remains the same at both sides of the tank

d.

rises on the back side and falls on the front side

Discuss
Answer: (d).rises on the back side and falls on the front side
Q265.
An error of 1% in measuring the head of water over the crest of a rectangular weir, produces an error in the discharge which is equal to

a.

1.25%

b.

1.5%

c.

1.75%

d.

2.25%

Discuss
Answer: (b).1.5%
Q266.
Flow of water in pipes of diameter more than 3 metres, can be measured by

a.

pitot tube

b.

venturimeter

c.

orifice plate

d.

rotameter.

Discuss
Answer: (d).rotameter.
Q267.
Hydraulic grade line

a.

remains above the centre line of conduit

b.

remains below the centre line of conduit

c.

remains parallel to the centre line of conduit

d.

may be above or below the centre line of conduit.

Discuss
Answer: (d).may be above or below the centre line of conduit.
Q268.
If the Mach number for a fluid flow is less than 1, the flow is

a.

sonic

b.

supersonic

c.

sub-sonic

d.

none of these.

Discuss
Answer: (c).sub-sonic
Q269.
Hydraulic coefficient of an orifice means the coefficient of

a.

velocity

b.

contraction

c.

resistance

d.

all the above.

Discuss
Answer: (d).all the above.
Q270.
Poise is the unit of

a.

viscosity

b.

velocity gradient

c.

mass density

d.

kinematic viscous.

Discuss
Answer: (a).viscosity
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