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 30 of 77

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Q291.
The pressure intensity is the same in all directions at a point in a fluid

a.

only when the fluid is frictionless.

b.

only when the fluid is at rest having zero velocity.

c.

when there is no motion of one fluid layer relative to an adjacent layer.

d.

regardless of the motion of one fluid layer relative to an adjacent layer.

Discuss
Answer: (c).when there is no motion of one fluid layer relative to an adjacent layer.
Q292.
Quicksand is an example of a __________ fluid.

a.

bingham plastic

b.

dilatent

c.

Newtonion

d.

pseudoplastic

Discuss
Answer: (b).dilatent
Q293.
Correction for capillary effect in manometers (used for pressure measurement) need not be applied, if diameter of the manometer tube is __________ mm.

a.

< 4

b.

> 4

c.

> 12.5

d.

< 10

Discuss
Answer: (c).> 12.5
Q294.
Differential manometer measures the

a.

absolute pressure

b.

gauge pressure

c.

pressure difference

d.

pressure gradient

Discuss
Answer: (c).pressure difference
Q295.
The pressure and power requirement of a gas fan at constant speed & capacity varies __________ the gas density.

a.

directly as

b.

inversely as square root of

c.

inversely as

d.

as square of

Discuss
Answer: (a).directly as
Q296.
Isothermal turbulent flow of a fluid results in decrease of its pressure, which depends on the

a.

wall roughness.

b.

Reynolds number.

c.

both (a) & (b).

d.

neither (a) nor (b).

Discuss
Answer: (c).both (a) & (b).
Q297.
In case of end to end connection of two or more pipes in series, the __________ each pipe.

a.

same rate of flow passes through

b.

head loss is same through

c.

rate of flow in each pipe is proportional to the length of

d.

total flow rate is the sum of flow rate in

Discuss
Answer: (a).same rate of flow passes through
Q298.
Which of the following equations applies to the fluid flow through a packed bed for very large Reynolds number ?

a.

Fanning equation

b.

Blake-Pllummer equation

c.

Hagen-Poiseulle equation

d.

Kozney-Karman equation

Discuss
Answer: (b).Blake-Pllummer equation
Q299.
The flow of gas along a pipe in the direction of decreasing pressure causes decrease in its

a.

viscosity

b.

specific volume

c.

velocity

d.

none of these

Discuss
Answer: (b).specific volume
Q300.
Centrifugal pump can't be used to pump

a.

molten sodium (used as a coolant in Fast Breeder Reactor).

b.

moderately viscous vegetable oil used in soap industry.

c.

thick molten soap at 80°C.

d.

none of the above.

Discuss
Answer: (c).thick molten soap at 80°C.
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