Free Bachelor of Mechanical Engineering Fluid Mechanics Questions and Answers

Question 1

What does fluid dynamics entail?

Accepted Answer

Study of fluid behaviour at rest and in motion

Answer

Study of fluid behaviour in motion

Answer

Study of fluid behaviour at rest

Question 2

Which of the following best describes the fundamental tenet of fluid mechanics?

Accepted Answer

All of the mentioned

Answer

Continuity equation

Answer

Momentum principle

Answer

Energy equation

Question 3

What purposes does fluid mechanics serve?

Accepted Answer

Fluid mechanics enables to comprehend the behaviour of fluids under various temperatures only

Answer

Fluid mechanics enables to comprehend the behaviour of solid fluids under pressure

Answer

Fluid mechanics enables to comprehend the behaviour of fluids under a variety of forces & atmospheric conditions

Answer

None of the mentioned

Question 4

What do you name a person's area of study if they research a fluid that is at rest?

Accepted Answer

Fluid Statics

Answer

Fluid Kinematics

Answer

Fluid Mechanics

Answer

Fluid Dynamics

Question 5

Which of the following corresponds to the Atwood number's standard symbol?

Accepted Answer

A

Answer

AR

Answer

Ar

Answer

a

Question 6

Which approach from the list below is only utilized in fluid mechanics?

Accepted Answer

Eulerian method

Answer

Lagrangian method

Answer

Neither Lagrangian nor Eulerian method

Answer

Both Lagrangian and Eulerian methods

Question 7

Which of the following approaches is most frequently employed for analysis in fluid mechanics?

Accepted Answer

Eulerian Method

Answer

Langragian method

Answer

Control volume analysis

Answer

None of the mentioned

Question 8

A fluid is said to be turbulent when...

Accepted Answer

Reynolds number is less than 2000

Answer

The density of the fluid is low

Answer

Reynolds number is greater than 2000

Answer

High viscosity of fluid

Question 9

Which of the following corresponds to the Blake number standard symbol?

Accepted Answer

Bl

Answer

ba

Answer

b

Answer

Bi

Question 10

In fluid mechanics, the stagnation point is the location when the fluid's velocity is .

Accepted Answer

zero

Answer

infinite

Answer

constant

Answer

unity