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 57 of 77

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Q561.
Design of the casing of centrifugal pump should be such as to minimise the

a.

back flow through impeller

b.

loss of kinetic head

c.

loss of static head

d.

none of these

Discuss
Answer: (b).loss of kinetic head
Q562.
Which of the following is used for pumping crude oil from oil well ?

a.

Single stage centrifugal pump

b.

Gear pump

c.

Screw pump

d.

Duplex/triplex reciprocating pump

Discuss
Answer: (d).Duplex/triplex reciprocating pump
Q563.
The energy loss in flow through ven-turimeter is less than that through flow nozzle, because in case of a flow nozzle, the

a.

length is shorter.

b.

throat diameter is more.

c.

sudden expansion of flow in the downstream occurs.

d.

distance between the throat and the inlet is more.

Discuss
Answer: (c).sudden expansion of flow in the downstream occurs.
Q564.
__________ flow means the flow of incompressible fluid with no shear.

a.

Potential

b.

Streamline

c.

Creep

d.

Boundary layer

Discuss
Answer: (a).Potential
Q565.
A centrifugal pump has the following specifications:

Power = 4 H.P.
Speed = 800 rpm
Head = 8 metres
Flow = 1000 litres/minutes.

If its speed is halved, the power consumed now will be __________ hp.

a.

0.5

b.

2

c.

4

d.

1

Discuss
Answer: (a).0.5
Q566.
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
Q567.
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.
Q568.
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
Q569.
Paper pulp is an example of __________ fluid.

a.

dilatant

b.

bingham plastic

c.

Newtonion

d.

pseudoplastic

Discuss
Answer: (b).bingham plastic
Q570.
__________ is an example of axial flow impeller.

a.

Paddle

b.

Turbine

c.

Propeller

d.

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

Discuss
Answer: (c).Propeller
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