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!

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Fluid Mechanics MCQs | Page 54 of 77

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Q531.
Bernoulli's equation describes the

a.

mechanical energy balance in potential flow.

b.

kinetic energy balance in laminar flow.

c.

mechanical energy balance in turbulent flow.

d.

mechanical energy balance in boundary layer.

Discuss
Answer: (a).mechanical energy balance in potential flow.
Q532.
For laminar flow of a fluid through a packed bed of spheres of diameter d, the pressure drop per unit length of bed depends upon the sphere diameter as

a.

d

b.

d²

c.

dโด

d.

d²ฬ…

Discuss
Answer: (d).d²ฬ…
Q533.
Which law/principle of solid mechanics is similar/equivalent to Newton's law of viscosity in fluid mechanics ?

a.

Archimedes principle.

b.

Newton's second law of motion.

c.

Hooke's law.

d.

Newton's third law of motion.

Discuss
Answer: (c).Hooke's law.
Q534.
When larger particles e.g., grains are subjected to fluidisation, the corresponding bed produced is termed as the __________ bed.

a.

spouted

b.

sluggish

c.

boiling

d.

teeter

Discuss
Answer: (a).spouted
Q535.
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
Q536.
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
Q537.
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
Q538.
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.
Q539.
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
Q540.
Viscosity of a liquid decreases __________ with rise in temperature.

a.

exponentially

b.

linearly

c.

logarithmically

d.

none of these

Discuss
Answer: (c).logarithmically
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