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 13 of 77

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Q121.
Draining of shallow pits or sump is done by a sump pump, which is a __________ pump.

a.

single stage vertical

b.

centrifugal

c.

plunger

d.

diffuser

Discuss
Answer: (a).single stage vertical
Q122.
A hydraulic ram acts as a/an __________ pump.

a.

centrifugal

b.

reciprocating

c.

impulse

d.

parallel cylinder

Discuss
Answer: (c).impulse
Q123.
The ratio of average fluid velocity to the maximum velocity in case of laminar flow of a Newtonion fluid in a circular pipe is

a.

0.5

b.

1

c.

2

d.

0.66

Discuss
Answer: (a).0.5
Q124.
Working principle of manometer comprises of balancing a coloumn of liquid against the pressure to be measured. Inclined tube manometer is especially used for the measurement of __________ pressure.

a.

small differential

b.

atmospheric

c.

absolute

d.

gage

Discuss
Answer: (a).small differential
Q125.
Isotropic turbulence occurs

a.

where there is no velocity gradient.

b.

at higher temperatures.

c.

only in Newtonion fluids.

d.

none of these.

Discuss
Answer: (a).where there is no velocity gradient.
Q126.
The co-efficient of drag and lift for an incompressible fluid depends on the

a.

Reynolds number

b.

Froude number

c.

Mach number

d.

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

Discuss
Answer: (a).Reynolds number
Q127.
Euler's equation of motion states, that at every point, the

a.

fluid momentum is constant.

b.

force per unit mass equals acceleration.

c.

rate of mass outflow is equal to the rate of mass inflow.

d.

none of these.

Discuss
Answer: (b).force per unit mass equals acceleration.
Q128.
The Navier-Stokes equation deals with the law of conservation of

a.

mass

b.

energy

c.

both (a) & (b)

d.

momentum

Discuss
Answer: (d).momentum
Q129.
The fluid property which matters for fall-ing rain drops to acquire spherical shape is its

a.

pressure

b.

height of descend

c.

viscosity

d.

surface tension

Discuss
Answer: (d).surface tension
Q130.
The simple pitot tube does not measure the

a.

static pressure.

b.

dynamic pressure.

c.

velocity at the stagnation point.

d.

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

Discuss
Answer: (d).all (a), (b) and (c).
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