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.
Transition length for turbulent flow in smooth pipe is equal to __________ times the pipe diameter.

a.

0.5

b.

5

c.

50

d.

100

Discuss
Answer: (c).50
Q572.
Disc compensators are provided in large diameter fuel gas carrying pipelines to

a.

keep the pipe in proper orientation.

b.

make the pipe joint leak-proof.

c.

account for contraction/expansion of pipe due to temperature changes of the surroundings.

d.

account for the pressure variation side the pipeline.

Discuss
Answer: (c).account for contraction/expansion of pipe due to temperature changes of the surroundings.
Q573.
Discharge from a 24 inch pipe of water at 10 ft/sec will be __________ ft³/sec.

a.

7.65

b.

32.36

c.

48.22

d.

125.6

Discuss
Answer: (d).125.6
Q574.
Paper pulp is an example of __________ fluid.

a.

dilatant

b.

bingham plastic

c.

Newtonion

d.

pseudoplastic

Discuss
Answer: (b).bingham plastic
Q575.
__________ is an example of axial flow impeller.

a.

Paddle

b.

Turbine

c.

Propeller

d.

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

Discuss
Answer: (c).Propeller
Q576.
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.
Q577.
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
Q578.
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)
Q579.
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
Q580.
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.
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