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 velocity potential is constant along ________.

c) streaklines

a) streamlines

b) pathlines

2 / 40

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

b) curl

a) gradient

c) divergence

3 / 40

The velocity potential in incompressible flow satisfies ________ equation.

a) Laplace's

c) Navier-Stokes'

b) Poisson's

4 / 40

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

b) rotational

a) irrotational

c) solenoidal

5 / 40

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

c) gradient

b) curl

a) divergence

6 / 40

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

a) Bernoulli's

b) Navier-Stokes'

c) 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 conservation of momentum in incompressible flow leads to ________ equation.

b) Bernoulli's

a) Euler's

c) Navier-Stokes'

9 / 40

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

b) vector potential

a) scalar potential

c) stream function

10 / 40

In incompressible flow, the streamlines ________.

a) do not intersect

b) always intersect

c) may or may not intersect

11 / 40

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

c) Laplace's

a) Bernoulli's

b) Euler's

12 / 40

The equation of continuity for incompressible flow states that ________.

b) energy is conserved

c) momentum is conserved

a) mass is conserved

13 / 40

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

b) Poisson's

a) Laplace's

c) Navier-Stokes'

14 / 40

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

a) Navier-Stokes

c) Poisson

b) Laplace

15 / 40

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

b) vector potential

a) scalar potential

c) stream function

16 / 40

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

a) irrotational

b) rotational

c) solenoidal

17 / 40

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

a) Euler's

b) Bernoulli's

c) Navier-Stokes'

18 / 40

In incompressible flow, the velocity potential satisfies ________ equation.

b) Poisson's

a) Laplace's

c) Navier-Stokes'

19 / 40

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

c) Laplace's

a) Bernoulli's

b) Euler's

20 / 40

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

c) stationary

b) irrotational

a) rotational

21 / 40

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

b) Laplace

c) Poisson

a) Navier-Stokes

22 / 40

The velocity field of a potential flow is always ________.

a) irrotational

b) rotational

c) stationary

23 / 40

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

a) steady

b) irrotational

c) rotational

24 / 40

For incompressible flow, the Mach number is ________.

b) less than 1

a) less than 0.3

c) greater than 1

25 / 40

The velocity potential in incompressible flow satisfies ________ equation.

b) Poisson's

c) Navier-Stokes'

a) Laplace's

26 / 40

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

a) ∇ · V = 0

b) ∇ × V = 0

c) ∇ · (ρV) = 0

27 / 40

In incompressible flow, density ________ with respect to pressure.

c) increases

a) remains constant

b) decreases

28 / 40

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

c) stream function

a) scalar potential

b) vector potential

29 / 40

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

a) density

c) pressure

b) velocity

30 / 40

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

c) stationary

b) irrotational

a) rotational

31 / 40

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

a) divergence

b) curl

c) gradient

32 / 40

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

b) irrotational

c) rotational

a) steady

33 / 40

The equation of continuity for incompressible flow states that ________.

b) energy is conserved

a) mass is conserved

c) momentum is conserved

34 / 40

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

c) streaklines

b) pathlines

a) streamlines

35 / 40

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

a) rotational

c) stationary

b) irrotational

36 / 40

The streamlines in incompressible flow ________.

a) are always parallel

b) never intersect

c) always intersect

37 / 40

The velocity potential in incompressible flow satisfies ________ equation.

c) Navier-Stokes'

a) Laplace's

b) Poisson's

38 / 40

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

c) stationary

b) irrotational

a) rotational

39 / 40

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

b) remains constant

a) decreases

c) increases

40 / 40

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

a) gradient

c) curl

b) divergence

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adminMarch 28, 2024

0 10 1 minute read