Fluid Mechanics MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Fluid Mechanics, a fundamental topic in the field of Basic Chemical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Fluid Mechanics 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 Fluid Mechanics mcq questions that explore various aspects of Fluid Mechanics problems. Each MCQ is crafted to challenge your understanding of Fluid Mechanics principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Basic Chemical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Fluid Mechanics MCQs are your pathway to success in mastering this essential Basic Chemical Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Fluid Mechanics. 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 Fluid Mechanics knowledge to the test? Let's get started with our carefully curated MCQs!

Fluid Mechanics MCQs | Page 56 of 77

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Q551.
Which of the following is a Newtonian fluid?

a.

Rubber latex

b.

Sewage sludge

c.

Quicksand

d.

Non-colloidal solution

Discuss
Answer: (d).Non-colloidal solution
Q552.
Which of the following valves will incur maximum pressure drop for the same discharge of water ?

a.

Globe valve

b.

Gate valve

c.

Needle valve

d.

Butterfly valve

Discuss
Answer: (c).Needle valve
Q553.
Pressure drop in a fluidised bed reactor is __________ that in a similar packed bed reactor.

a.

less than

b.

more than

c.

same as

d.

none of these

Discuss
Answer: (b).more than
Q554.
In deriving Bernoulli's equation, fluid is assumed to be

a.

incompressible, frictionless, steady, along a streamline.

b.

uniform, steady, incompressible, along a streamline.

c.

steady, density being pressure dependent, frictionless.

d.

none of these.

Discuss
Answer: (a).incompressible, frictionless, steady, along a streamline.
Q555.
Unit of mass velocity is

a.

kg/hr

b.

kg/m². hr

c.

kg/m²

d.

kg/m³. hr

Discuss
Answer: (b).kg/m². hr
Q556.
Viscosity of a liquid decreases __________ with rise in temperature.

a.

exponentially

b.

linearly

c.

logarithmically

d.

none of these

Discuss
Answer: (c).logarithmically
Q557.
In case of a pipe of constant cross-sectional area, the maximum fluid velocity obtainable is

a.

the velocity of sound.

b.

dependent on its cross-sectional area.

c.

dependent on fluid viscosity.

d.

dependent on fluid density.

Discuss
Answer: (a).the velocity of sound.
Q558.
Discharge in laminar flow through a pipe varies

a.

as the square of the radius.

b.

inversely as the pressure drop.

c.

inversely as the viscosity.

d.

as the square of the diameter.

Discuss
Answer: (a).as the square of the radius.
Q559.
The lift of a ballon is

a.

increased, as it rises to a higher altitude.

b.

due to the weight of the atmospheric air, that it displaces.

c.

not dependent on the temperature of the atmosphere.

d.

none of these.

Discuss
Answer: (b).due to the weight of the atmospheric air, that it displaces.
Q560.
In which of the following body shapes, the pressure drag is large compared to the friction drag ?

a.

Stream line body

b.

Two dimensional body

c.

Bluff body

d.

None of these

Discuss
Answer: (c).Bluff body
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