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 53 of 77

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Q521.
Cp/Cv is termed as

a.

adiabatic constant

b.

Mach number

c.

Weber number

d.

Prandtl number

Discuss
Answer: (a).adiabatic constant
Q522.
The pump used for irrigation purposes is generally designed for

a.

large capacity & high head.

b.

large capacity & low head.

c.

small capacity & high head.

d.

small capacity & low head.

Discuss
Answer: (b).large capacity & low head.
Q523.
In centrifugal pumps, cavitation occurs, when pressure of the impeller eye or vane becomes

a.

less than atmospheric pressure.

b.

more than liquid vapor pressure.

c.

less than liquid vapor pressure.

d.

more than atmospheric pressure.

Discuss
Answer: (c).less than liquid vapor pressure.
Q524.
Pressure gradient in the pipe flow is influenced by the

a.

diameter of pipe.

b.

velocity of the fluid.

c.

density & viscosity of the fluid.

d.

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

Discuss
Answer: (d).all (a), (b) and (c).
Q525.
__________ pump is the most suitable device for discharging a liquid against a pressure of ≥ 1500 kgf/cm².

a.

Centrifugal

b.

Piston

c.

Plunger

d.

Vane

Discuss
Answer: (c).Plunger
Q526.
Boiler feed water pump is usually a __________ pump.

a.

reciprocating

b.

gear

c.

multistage centrifugal

d.

diaphragm

Discuss
Answer: (c).multistage centrifugal
Q527.
Forces acting on a particle settling in fluid are __________ forces.

a.

gravitational & buoyant.

b.

centrifugal & drag.

c.

gravitational or centrifugal buoyant drag.

d.

external, drag & viscous.

Discuss
Answer: (c).gravitational or centrifugal buoyant drag.
Q528.
For a fluid rotating at constant angular velocity about vertical axis as a rigid body, the pressure intensity varies as the

a.

square of the radial distance.

b.

radial distance linearly.

c.

inverse of the radial distance.

d.

elevation along vertical direction.

Discuss
Answer: (a).square of the radial distance.
Q529.
In a dry packed bed, the pressure drop will be changed by increasing the flow rate as

a.

V^1.8

b.

V^(-0.8)

c.

V

d.

V⁻¹

Discuss
Answer: (a).V^1.8
Q530.
Specific speed of a centrifugal pump depends upon the __________ head.

a.

suction

b.

delivery

c.

manometric

d.

none of these

Discuss
Answer: (d).none of these
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