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 17 of 77

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Q161.
Acceleration head in a reciprocating pump

a.

increases the work done during delivery stroke.

b.

decreases the work done during suction stroke.

c.

does not change the work requirement of the pump.

d.

increases the work done during suction stroke.

Discuss
Answer: (c).does not change the work requirement of the pump.
Q162.
The ratio of inertial forces to elastic forces is called the __________ number.

a.

Reynolds

b.

Mach

c.

Euler

d.

Weber

Discuss
Answer: (b).Mach
Q163.
Fluid flow at increasing rate through a diverging pipe is an example of __________ flow.

a.

steady uniform

b.

non-steady uniform

c.

steady non-uniform

d.

non-steady non-uniform

Discuss
Answer: (d).non-steady non-uniform
Q164.
The temperature in isentropic flow

a.

does not depend on Mach number.

b.

depends on Mach number only.

c.

cannot drop and then increase again downstream.

d.

none of these.

Discuss
Answer: (b).depends on Mach number only.
Q165.
For laminar flow of Newtonion fluid in a circular pipe, the velocity distribution is a function of the distance 'd' measured from the centre line of the pipe, and it follows a __________ relationship.

a.

logarithmic

b.

parabolic

c.

hyperbolic

d.

linear

Discuss
Answer: (b).parabolic
Q166.
The Prandtl mixing length is

a.

zero at the pipe wall and is a universal constant.

b.

independent of radial distance from the pipe axis.

c.

independent of the shear stress.

d.

useful for computing laminar flow problems.

Discuss
Answer: (d).useful for computing laminar flow problems.
Q167.
N²ส€โ‚‘/Nา“แตฃ is called the __________ number.

a.

Brinkman

b.

Galileo

c.

Archimedes

d.

Euler

Discuss
Answer: (b).Galileo
Q168.
As the velocity V and thus the Reynolds number of a flow past a sphere increases from very low value, the drag force for Re << 1

a.

increases linearly with V.

b.

decreases linearly with V.

c.

decreases as V².

d.

none of these.

Discuss
Answer: (a).increases linearly with V.
Q169.
The pressure head of a flow meter remains constant for

a.

venturimeter

b.

orificemeter

c.

rotameter

d.

pitot tube

Discuss
Answer: (c).rotameter
Q170.
A venturimeter can not be used for the direct measurement of

a.

datum difference in the stretch of pipeflow

b.

pressure difference in the flow throughpipeline.

c.

friction loss in pipe flow.

d.

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

Discuss
Answer: (d).all (a), (b) and (c).
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