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 50 of 77

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Q491.
Ratio of inertial forces to surface tension forces is called the __________ number.

a.

Euler

b.

Froude

c.

Mach

d.

Weber

Discuss
Answer: (d).Weber
Q492.
In open channel flow in a rectangular channel, the ratio between the critical depth and the initial depth, when a hydraulic jump occurs is

a.

0.5

b.

0.84

c.

1.84

d.

1.25

Discuss
Answer: (c).1.84
Q493.
The ratio of inertial forces to viscous forces is called the __________ number.

a.

Weber

b.

Mach

c.

Froude

d.

Reynold

Discuss
Answer: (d).Reynold
Q494.
Enamels and paints are generally __________ fluid.

a.

reheopectic

b.

pseudo-plastic

c.

thixotropic

d.

dilatant

Discuss
Answer: (b).pseudo-plastic
Q495.
With the increase in depth, the hydrostatic pressure in an unaccelerated incompressible fluid (in a constant gravitational field)

a.

decreases.

b.

increases linearly.

c.

increases exponentially.

d.

remains constant.

Discuss
Answer: (b).increases linearly.
Q496.
Flow measurement in an open channel is done by a/an

a.

venturimeter

b.

orificemeter

c.

weir

d.

rotameter

Discuss
Answer: (c).weir
Q497.
Newton's law of viscosity relates the

a.

shear stress and velocity.

b.

velocity gradient and pressure intensity.

c.

shear stress and rate of angular deformation in a fluid.

d.

pressure gradient and rate of angular deformation.

Discuss
Answer: (c).shear stress and rate of angular deformation in a fluid.
Q498.
Applicability of Bernoulli's equation is limited to a/an __________ fluid, that does not exchange shaft work with the surroundings.

a.

incompressible

b.

non-viscous

c.

both (a) and (b)

d.

neither (a) nor (b)

Discuss
Answer: (c).both (a) and (b)
Q499.
Water is flowing at 1 m/sec through a pipe (of 10 cm I.D) with a right angle bend. The force in Newtons exerted on the bend by water is

a.

10โˆš2ฯ€

b.

5ฯ€/2

c.

5โˆš2ฯ€

d.

5ฯ€/โˆš2

Discuss
Answer: (b).5ฯ€/2
Q500.
The time of oscillation of a floating body is

a.

longer, if metacentric height is increased.

b.

independent of the metacentric height.

c.

dependent on the buoyant forces only.

d.

none of these.

Discuss
Answer: (d).none of these.
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