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

Different from each other

Diverging

Converging

Same

Question 1 of 15

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

Increases

Decreases

Remains constant

None of these

Question 2 of 15

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

Drag force

None of these

Viscocity

Surface tension

Question 3 of 15

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

Mass

Charge

Energy

Ampere

Question 4 of 15

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5. 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

Question 5 of 15

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

Drag force

Viscosity

Surface tension

None of these

Question 6 of 15

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

Turbulent, cannot

None of these

Streamline, can

Streamline, cannot

Question 7 of 15

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8. Machine parts are jammed due to:

None of these

Decrease in surface tension of lubricants

Increase in viscosity of lubricant

Decrease in viscosity of lubricant

Question 8 of 15

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

Streamline flow

Laminar flow and Streamline flow

Laminar flow

Turbulent flow

Question 9 of 15

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

Equation of continuity

None of these

Bernoulli's equation

Venturi equation

Question 10 of 15

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

None of these

Two forces

Four forces

One force only

Question 11 of 15

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

Mass

Density

Volume

Charge

Question 12 of 15

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

Smaller than

Greater than

None of them

Equal to

Question 13 of 15

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

200 to 100

150 to 70

120 to 80

100 to 60

Question 14 of 15

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15. Glycerin has viscosity ______ the viscosity of water,

None of these

More than

Equal to

Less than

Question 15 of 15

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