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 7 of 77

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Q61.
All pipes of a particular nominal size have the same

a.

inside diameter

b.

outside diameter

c.

thickness

d.

none of these

Discuss
Answer: (b).outside diameter
Q62.
For the transfer of solution of thick slurry, the pump used is a __________ pump.

a.

reciprocating

b.

gear

c.

diaphragm

d.

centrifugal

Discuss
Answer: (c).diaphragm
Q63.
Which of the following is not concerned with the fluid-particle interaction ?

a.

Drag co-efficient

b.

Froude number

c.

Galileo number

d.

Weber number

Discuss
Answer: (d).Weber number
Q64.
Maximum theoretical suction lift for water at 15°C by a centrifugal pump is 34 ft. The same for water at 90°C will be __________ ft.

a.

40

b.

34

c.

8

d.

37

Discuss
Answer: (c).8
Q65.
Pick out the wrong statement.

a.

Momentum transfer in laminar flow results from veclocity gradient.

b.

A fluid in equilibrium is not free from shear stress.

c.

The viscosity of a non-Newtonion fluid is a function of temperature only.

d.

both (b) and (c)

Discuss
Answer: (d).both (b) and (c)
Q66.
Pressure drag does not depend upon the

a.

roughness of surface of the body.

b.

pressure of main flow only.

c.

length of the body in flow direction.

d.

all (a), (b) and (c)

Discuss
Answer: (d).all (a), (b) and (c)
Q67.
Dimension of absolute viscosity is

a.

ML⁻¹T⁻¹

b.

MLT⁻¹

c.

ML⁻¹T

d.

MLT

Discuss
Answer: (a).ML⁻¹T⁻¹
Q68.
__________ pumps are axial flow pumps.

a.

Turbine

b.

Propeller

c.

Diffuser

d.

none of these

Discuss
Answer: (b).Propeller
Q69.
Brownian movement is prominent in the particle size range of __________ microns in case of settling of a particle in a fluid.

a.

2 to 3

b.

0.01 to 0.10

c.

200 to 300

d.

100 to 1000

Discuss
Answer: (a).2 to 3
Q70.
The drag co-efficient for a bacterium moving in water at 1 mm/s, will be of the following order of magnitude (assume size of the bacterium to be 1 micron and kinematic viscosity of water to be 10⁻⁶ m²/s).

a.

24000

b.

24

c.

0.24

d.

0.44

Discuss
Answer: (d).0.44
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