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 12 of 77

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Q111.
Slugging in a fluidised bed can be avoided by using

a.

tall narrow vessel.

b.

deep bed of solids.

c.

shallow beds of solids and proper choice of particle size.

d.

very large particles.

Discuss
Answer: (c).shallow beds of solids and proper choice of particle size.
Q112.
The ratio of width to depth for the most economical rectangular section in open channel flow is

a.

0.5

b.

1

c.

1.5

d.

2

Discuss
Answer: (d).2
Q113.
The simple pitot tube measures the __________ pressure.

a.

static

b.

dynamic

c.

total

d.

none of these

Discuss
Answer: (c).total
Q114.
Two dimensional stream function

a.

relates velocity and pressure.

b.

is constant along a stream line.

c.

is constant along an equipotential surface.

d.

none of these.

Discuss
Answer: (b).is constant along a stream line.
Q115.
What causes cavitation in centrifugal pump ?

a.

High suction pressure

b.

Low barometric pressure

c.

Low suction pressure

d.

High suction velocity

Discuss
Answer: (c).Low suction pressure
Q116.
Draining of shallow pits or sump is done by a sump pump, which is a __________ pump.

a.

single stage vertical

b.

centrifugal

c.

plunger

d.

diffuser

Discuss
Answer: (a).single stage vertical
Q117.
A hydraulic ram acts as a/an __________ pump.

a.

centrifugal

b.

reciprocating

c.

impulse

d.

parallel cylinder

Discuss
Answer: (c).impulse
Q118.
The ratio of average fluid velocity to the maximum velocity in case of laminar flow of a Newtonion fluid in a circular pipe is

a.

0.5

b.

1

c.

2

d.

0.66

Discuss
Answer: (a).0.5
Q119.
Working principle of manometer comprises of balancing a coloumn of liquid against the pressure to be measured. Inclined tube manometer is especially used for the measurement of __________ pressure.

a.

small differential

b.

atmospheric

c.

absolute

d.

gage

Discuss
Answer: (a).small differential
Q120.
Isotropic turbulence occurs

a.

where there is no velocity gradient.

b.

at higher temperatures.

c.

only in Newtonion fluids.

d.

none of these.

Discuss
Answer: (a).where there is no velocity gradient.
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