Physics Fluid Dynamics Online Quiz Test MCQs

Given on this page is a free online quiz which includes mcqs questions and answers related to the topic of Fluid Dynamics. All of our visitors who are preparing for any general knowledge related written exam or interview related to the subject of physics, can prepare for it with ease by using our free online tests as a guide.

Physics Fluid Dynamics Online Quiz Test MCQs

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Physics

1. An equation in fluid dynamics relates pressure, fluid speed and height. This equation is called:

Equation of continuity

None of these

Venturi equation

Bernoulli's equation

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Question 1 of 15

2. Normally, the blood pressure (torr unit) in a healthy human body varies from:

100 to 60

150 to 70

120 to 80

200 to 100

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Question 2 of 15

3. While deriving Bernoulli's equation, the law of conservation of ________becomes the base fact.

Ampere

Charge

Energy

Mass

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Question 3 of 15

4. Machine parts are jammed due to:

Increase in viscosity of lubricant

None of these

Decrease in surface tension of lubricants

Decrease in viscosity of lubricant

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Question 4 of 15

5. The direction of the velocity of fluid at certain point and direction of streamline are:

Different from each other

Same

Converging

Diverging

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Question 5 of 15

6. In a ______ flow, each particle of the fluid is called a streamline and different streamlines _______ cross each other.

Streamline, can

None of these

Turbulent, cannot

Streamline, cannot

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Question 6 of 15

7. The property of fluids due to which they resist their own flow is called:

None of these

Surface tension

Viscosity

Drag force

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Question 7 of 15

8. If A, v, t denote area of the pipe, velocity of the fluid and time, respectively, then Avt will represent:

Volume

Density

Mass

Charge

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Question 8 of 15

9. The irregular or unsteady flow of the fluid is called:

Laminar flow

Laminar flow and Streamline flow

Streamline flow

Turbulent flow

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Question 9 of 15

10. A body passing through a viscous medium is affected by:

One force only

None of these

Four forces

Two forces

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Question 10 of 15

11. Normally, the pressure of blood inside the walls is ______ the external atmospheric pressure.

Equal to

None of them

Smaller than

Greater than

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Question 11 of 15

12. The resistance offered by a fluid to a solid moving inside it is called:

Drag force

Viscocity

None of these

Surface tension

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Question 12 of 15

13. Drag force increases if speed of the object moving through the fluid:

None of these

Increases

Decreases

Remains constant

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Question 13 of 15

14. Glycerin has viscosity ______ the viscosity of water,

Equal to

More than

Less than

None of these

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Question 14 of 15

15. Fog droplets are suspended in air when their weight is balanced by:

None of these

Surface tension

Upward thrust due to air

Force of gravity

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Question 15 of 15

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