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.
Froude number is not a factor

a.

for Reynolds number greater than 300.

b.

when there is no vortex formation.

c.

for unbaffled tank.

d.

none of these.

Discuss
Answer: (b).when there is no vortex formation.
Q572.
If three pipes of different diameters, lengths & friction factors are connected in parallel, then (where, Q = flow rate, V= fluid velocity f = friction factor).

a.

Q = Q₁ + Q₂ + Q₃

b.

V₁ = V₂ = V₃

c.

Q₁ = Q₂ = Q₃

d.

f = f₁ + f₂ + f₃

Discuss
Answer: (a).Q = Q₁ + Q₂ + Q₃
Q573.
Horsepower requirement for given pump capacity depends upon the

a.

specific gravity of the liquid

b.

suction lift

c.

discharge head

d.

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

Discuss
Answer: (d).all (a), (b) and (c)
Q574.
Bernoulli's equation accounts for the

a.

various momentums

b.

various masses

c.

different forms of mechanical energy

d.

none of these

Discuss
Answer: (c).different forms of mechanical energy
Q575.
Hot wire anemometer is used to measure the

a.

velocity of liquids.

b.

temperature of liquids.

c.

velocity of gases.

d.

pressure of liquids.

Discuss
Answer: (c).velocity of gases.
Q576.
Propeller type centrifugal pumps are most suitable for

a.

high capacity at high heads.

b.

high capacity at low heads.

c.

low capacity at high heads.

d.

low capacity at low heads.

Discuss
Answer: (b).high capacity at low heads.
Q577.
The fluid velocity varies as the square of the cylindrical pipe diameter, in case of steady state laminar flow at constant pressure drop, for __________ fluid.

a.

Newtonion

b.

dilatant

c.

pseudoplastic

d.

non-Newtonion

Discuss
Answer: (a).Newtonion
Q578.
Momentum transfer in laminar flow of fluids results due to the

a.

viscosity

b.

density

c.

velocity gradient

d.

none of these

Discuss
Answer: (c).velocity gradient
Q579.
The capillary rise of mercury is maximum in glass tube of dia __________ mm.

a.

0.5

b.

1

c.

2

d.

5

Discuss
Answer: (a).0.5
Q580.
Froude number is the ratio of

a.

shear stress to gravitational stress.

b.

drag stress to shear stress.

c.

inertial stress to shear stress.

d.

inertial stress to gravitational stress.

Discuss
Answer: (d).inertial stress to gravitational stress.
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