Incompressible Flow MCQs with Answers

AdminMarch 28, 2024

0 10 1 minute read

Welcome to the Incompressible Flow MCQs with Answers. In this post, we have shared Incompressible Flow Online Test for different competitive exams. Find practice Incompressible Flow Practice Questions with answers in Physics Tests exams here. Each question offers a chance to enhance your knowledge regarding Incompressible Flow.

Incompressible Flow Online Quiz

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Test Name: Incompressible Flow MCQ Quiz Practice
Type: Quiz Test
Total Questions: 40
Total Marks: 40
Time: 40 minutes

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Incompressible Flow

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1 / 40

In incompressible flow, the dynamic viscosity ________ with increasing temperature.

c) increases

a) decreases

b) remains constant

2 / 40

For incompressible flow, the Mach number is ________.

a) less than 0.3

c) greater than 1

b) less than 1

3 / 40

The Euler equation for incompressible flow reduces to ________ when the flow is steady.

a) Bernoulli's

b) Navier-Stokes'

c) Laplace's

4 / 40

In incompressible flow, the velocity field is ________ if its curl is zero.

a) rotational

c) stationary

b) irrotational

5 / 40

In incompressible flow, the continuity equation is expressed as ________.

c) ∇ · (ρV) = 0

a) ∇ · V = 0

b) ∇ × V = 0

6 / 40

In incompressible flow, the velocity field is ________ if its divergence is zero.

a) rotational

c) stationary

b) irrotational

7 / 40

The equation of continuity for incompressible flow states that ________.

b) energy is conserved

c) momentum is conserved

a) mass is conserved

8 / 40

The conservation of momentum in incompressible flow leads to ________ equation.

a) Euler's

b) Bernoulli's

c) Navier-Stokes'

9 / 40

The velocity field of a potential flow is ________ at every point.

b) rotational

a) irrotational

c) solenoidal

10 / 40

The pressure in incompressible flow decreases along a streamline if the flow is ________.

a) steady

c) rotational

b) irrotational

11 / 40

In incompressible flow, the streamlines ________.

a) do not intersect

c) may or may not intersect

b) always intersect

12 / 40

The streamlines in incompressible flow ________.

c) always intersect

a) are always parallel

b) never intersect

13 / 40

In incompressible flow, the velocity field is ________ if its curl is zero.

a) rotational

b) irrotational

c) stationary

14 / 40

In incompressible flow, the velocity potential satisfies the ________ equation.

a) Laplace's

b) Poisson's

c) Navier-Stokes'

15 / 40

In incompressible flow, the velocity potential is related to velocity components by ________.

a) gradient

b) curl

c) divergence

16 / 40

In incompressible flow, the velocity field is ________ if its divergence is zero.

b) irrotational

c) stationary

a) rotational

17 / 40

The velocity potential in incompressible flow satisfies ________ equation.

b) Poisson's

c) Navier-Stokes'

a) Laplace's

18 / 40

In incompressible flow, the Bernoulli equation assumes ________ as a constant.

a) density

b) velocity

c) pressure

19 / 40

The velocity field of a potential flow is always ________.

b) rotational

c) stationary

a) irrotational

20 / 40

The velocity field of an irrotational flow can be described by a ________.

c) stream function

b) vector potential

a) scalar potential

21 / 40

The equation of continuity for incompressible flow states that ________.

a) mass is conserved

c) momentum is conserved

b) energy is conserved

22 / 40

In incompressible flow, the velocity potential satisfies ________ equation.

a) Laplace's

c) Navier-Stokes'

b) Poisson's

23 / 40

In incompressible flow, the equation of motion reduces to the ________ equation for steady, irrotational flow.

b) Euler's

a) Bernoulli's

c) Laplace's

24 / 40

In incompressible flow, the velocity potential is related to velocity components by ________.

a) gradient

c) divergence

b) curl

25 / 40

In incompressible flow, the Euler equation simplifies to the ________ equation.

b) Laplace

a) Navier-Stokes

c) Poisson

26 / 40

The velocity potential in incompressible flow satisfies ________ equation.

b) Poisson's

a) Laplace's

c) Navier-Stokes'

27 / 40

The velocity field of an irrotational flow can be described by a ________.

b) vector potential

a) scalar potential

c) stream function

28 / 40

In incompressible flow, the velocity potential is constant along ________.

a) streamlines

c) streaklines

b) pathlines

29 / 40

In incompressible flow, density ________ with respect to pressure.

a) remains constant

b) decreases

c) increases

30 / 40

The velocity field of a potential flow is ________ at every point.

a) irrotational

c) solenoidal

b) rotational

31 / 40

In incompressible flow, the pressure variation across a streamline is proportional to the ________ of velocity.

c) gradient

a) divergence

b) curl

32 / 40

The pressure in incompressible flow decreases along a streamline if the flow is ________.

c) rotational

a) steady

b) irrotational

33 / 40

In incompressible flow, the irrotational velocity field can be expressed as the gradient of a ________.

c) stream function

b) vector potential

a) scalar potential

34 / 40

In incompressible flow, the equation of motion reduces to the ________ equation for steady, irrotational flow.

b) Euler's

a) Bernoulli's

c) Laplace's

35 / 40

In incompressible flow, the pressure variation along a streamline is proportional to the ________ of the velocity.

a) gradient

b) divergence

c) curl

36 / 40

The velocity potential in incompressible flow satisfies ________ equation.

b) Poisson's

c) Navier-Stokes'

a) Laplace's

37 / 40

In incompressible flow, the velocity potential is constant along ________.

c) streaklines

b) pathlines

a) streamlines

38 / 40

For incompressible flow, the equation of motion is given by ________ equation.

a) Navier-Stokes

b) Laplace

c) Poisson

39 / 40

The conservation of momentum in incompressible flow leads to ________ equation.

a) Euler's

b) Bernoulli's

c) Navier-Stokes'

40 / 40

In incompressible flow, the pressure variation across a streamline is proportional to the ________ of velocity.

a) divergence

c) gradient

b) curl

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AdminMarch 28, 2024

0 10 1 minute read

Incompressible Flow MCQs with Answers

Incompressible Flow Online Quiz

Download Certificate of Quiz Incompressible Flow

Download Incompressible Flow MCQs with Answers Free PDF

Admin

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Incompressible Flow Online Quiz

Download Certificate of Quiz Incompressible Flow

Download Incompressible Flow MCQs with Answers Free PDF

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