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 58 of 77

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Q571.
Choose the set of pressure intensities that are equivalent.

a.

4.33 psi, 10 ft. of water, 8.83 inches of Hg.

b.

4.33 psi, 10 ft. of water, 20.7 inches of Hg.

c.

10 psi, 19.7 ft. of water, 23.3 inches of Hg.

d.

10 psi, 19.7 ft. of water, 5.3 inches of Hg.

Discuss
Answer: (a).4.33 psi, 10 ft. of water, 8.83 inches of Hg.
Q572.
Pick out the wrong statement about a streamline.

a.

It is always parallel to the main direction of the fluid flow.

b.

It is a line across which there is no flow and it is equivalent to a rigid boundary.

c.

Streamlines intersect at isolated point of zero velocity and infintie velocity.

d.

The fluid lying between any two streamlines can be considered to be in isolation and the streamline spacing varies inversely as the velocity.

Discuss
Answer: (a).It is always parallel to the main direction of the fluid flow.
Q573.
The most serious disadvantage of an orificemeter is that

a.

it is not very accurate.

b.

it is very costly.

c.

most of the pressure drop is not recoverable.

d.

it is not suitable for measuring gas flow.

Discuss
Answer: (c).most of the pressure drop is not recoverable.
Q574.
The discharge through a rectangular weir varies as

a.

H^1/2

b.

H^5/2

c.

H^2/5

d.

H^3/2

Discuss
Answer: (d).H^3/2
Q575.
In case of supersonic flow of a fluid through pipeline, the 'Mach number' is

a.

0

b.

1

c.

< 1

d.

> 1

Discuss
Answer: (d).> 1
Q576.
The continuity equation

a.

relates mass flow rate along a stream tube.

b.

relates work and energy.

c.

stipulates that Newton's second law of motion must be satisfied at every point in the fluid.

d.

none of these.

Discuss
Answer: (a).relates mass flow rate along a stream tube.
Q577.
The energy loss over a length of pipeline according to Darcy-Weisbach equation for pipe flow is.....the mean velocity of flow.

a.

directly proportional to

b.

directly proportional to square of

c.

inversely proportional to

d.

inversely proportional to square of

Discuss
Answer: (b).directly proportional to square of
Q578.
Pressure drop in a packed bed for laminar flow is given by the __________ equation.

a.

Kozney-Karman

b.

Blake-Plummer

c.

Leva's

d.

Fanning friction factor

Discuss
Answer: (a).Kozney-Karman
Q579.
The fluid velocity varies as the cube of the cylinderical pipe diameter in case of steady state laminar flow at constant pressure drop for __________ fluid.

a.

Newtonion

b.

pseudoplastic

c.

dilatent

d.

Bingham plastic

Discuss
Answer: (b).pseudoplastic
Q580.
Stoke's law is valid, when Nส€โ‚‘, p is less than

a.

2

b.

100

c.

2100

d.

700

Discuss
Answer: (a).2
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