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 37 of 77

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Q361.
The fluid jet discharging from a 2" diameter orifice has a diameter of 1.75" at its vena-contracta. The co-efficient of contraction is

a.

1.3

b.

0.766

c.

0.87

d.

none of these

Discuss
Answer: (b).0.766
Q362.
Rubber latex is an example of a __________ fluid.

a.

pseudoplastic

b.

bingham plastic

c.

dilatent

d.

Newtonion

Discuss
Answer: (a).pseudoplastic
Q363.
Which of the following factors does not contribute to the pressure drop in a pipeline ?

a.

Velocity of fluid

b.

Size of pipe

c.

Length of pipe and number of bends

d.

None of these

Discuss
Answer: (d).None of these
Q364.
The phenomenon occuring during pumping of a liquid solution containing dissolved gases, which may come out of the solution giving rise to gas pockets, is termed as

a.

evaporation

b.

cavitation

c.

sublimation

d.

stripping

Discuss
Answer: (b).cavitation
Q365.
Working of a __________ pump characterises mixed flow.

a.

turbine

b.

piston

c.

diaphragm

d.

none of these

Discuss
Answer: (a).turbine
Q366.
Which of the following can be used for the direct measurement of volumetric flow rate of slurry ?

a.

Venturimeter

b.

Orificemeter

c.

Rotameter

d.

Pitot tube

Discuss
Answer: (c).Rotameter
Q367.
A pipe is defined as 'hydraulically smooth', if the friction factor

a.

is not a function of Reynolds number.

b.

for a given Reynolds number remains constant even on further smoothening of the pipe.

c.

is zero irrespective of the Reynolds number.

d.

none of these.

Discuss
Answer: (b).for a given Reynolds number remains constant even on further smoothening of the pipe.
Q368.
A Pitot tube indicates 5 cm of water (manometer) when it is being used for measuring velocity of air. The velocity of air in m/sec is

a.

5

b.

14.1

c.

56.22

d.

28.2

Discuss
Answer: (d).28.2
Q369.
Delivery of insufficient quantity of liquid by a pump may be caused by

a.

air leak in the inlet

b.

low rpm

c.

too high a lift

d.

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

Discuss
Answer: (d).all (a), (b) and (c)
Q370.
Fluid resistance to shear depends upon its

a.

rate of transfer of molecular momentum.

b.

cohesion.

c.

both (a) and (b).

d.

neither (a) nor (b).

Discuss
Answer: (c).both (a) and (b).
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