Incompressible Flow MCQs with Answers

adminMarch 28, 2024

0 8 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 velocity field is ________ if its divergence is zero.

c) stationary

a) rotational

b) irrotational

2 / 40

The velocity potential in incompressible flow satisfies ________ equation.

b) Poisson's

a) Laplace's

c) Navier-Stokes'

3 / 40

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

b) curl

c) divergence

a) gradient

4 / 40

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

c) solenoidal

a) irrotational

b) rotational

5 / 40

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

a) Euler's

c) Navier-Stokes'

b) Bernoulli's

6 / 40

The velocity potential in incompressible flow satisfies ________ equation.

c) Navier-Stokes'

b) Poisson's

a) Laplace's

7 / 40

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

a) gradient

c) divergence

b) curl

8 / 40

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

b) rotational

a) irrotational

c) solenoidal

9 / 40

The equation of continuity for incompressible flow states that ________.

b) energy is conserved

a) mass is conserved

c) momentum is conserved

10 / 40

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

a) scalar potential

c) stream function

b) vector potential

11 / 40

The velocity field of a potential flow is always ________.

c) stationary

a) irrotational

b) rotational

12 / 40

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

c) stationary

a) rotational

b) irrotational

13 / 40

In incompressible flow, the velocity potential satisfies ________ equation.

c) Navier-Stokes'

a) Laplace's

b) Poisson's

14 / 40

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

b) velocity

c) pressure

a) density

15 / 40

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

c) Laplace's

b) Euler's

a) Bernoulli's

16 / 40

The streamlines in incompressible flow ________.

a) are always parallel

b) never intersect

c) always intersect

17 / 40

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

b) Navier-Stokes'

c) Laplace's

a) Bernoulli's

18 / 40

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

c) Poisson

a) Navier-Stokes

b) Laplace

19 / 40

The equation of continuity for incompressible flow states that ________.

c) momentum is conserved

b) energy is conserved

a) mass is conserved

20 / 40

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

a) gradient

b) divergence

c) curl

21 / 40

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

b) curl

c) gradient

a) divergence

22 / 40

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

a) Bernoulli's

b) Euler's

c) Laplace's

23 / 40

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

b) pathlines

c) streaklines

a) streamlines

24 / 40

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

b) curl

a) divergence

c) gradient

25 / 40

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

b) pathlines

a) streamlines

c) streaklines

26 / 40

In incompressible flow, the streamlines ________.

b) always intersect

a) do not intersect

c) may or may not intersect

27 / 40

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

a) Laplace's

b) Poisson's

c) Navier-Stokes'

28 / 40

The velocity potential in incompressible flow satisfies ________ equation.

b) Poisson's

a) Laplace's

c) Navier-Stokes'

29 / 40

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

b) vector potential

c) stream function

a) scalar potential

30 / 40

In incompressible flow, density ________ with respect to pressure.

a) remains constant

c) increases

b) decreases

31 / 40

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

c) stationary

b) irrotational

a) rotational

32 / 40

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

a) Navier-Stokes

c) Poisson

b) Laplace

33 / 40

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

c) stream function

b) vector potential

a) scalar potential

34 / 40

For incompressible flow, the Mach number is ________.

a) less than 0.3

b) less than 1

c) greater than 1

35 / 40

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

a) rotational

c) stationary

b) irrotational

36 / 40

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

c) increases

a) decreases

b) remains constant

37 / 40

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

a) steady

b) irrotational

c) rotational

38 / 40

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

b) irrotational

a) steady

c) rotational

39 / 40

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

a) ∇ · V = 0

c) ∇ · (ρV) = 0

b) ∇ × V = 0

40 / 40

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

c) Navier-Stokes'

b) Bernoulli's

a) Euler's

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adminMarch 28, 2024

0 8 1 minute read