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

Ampere

Mass

Charge

Energy

Question 1 of 15

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

120 to 80

200 to 100

100 to 60

150 to 70

Question 2 of 15

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

Drag force

None of these

Viscosity

Surface tension

Question 3 of 15

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

Density

Charge

Volume

Mass

Question 4 of 15

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5. 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 5 of 15

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

None of these

Streamline, cannot

Streamline, can

Turbulent, cannot

Question 6 of 15

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

Smaller than

None of them

Greater than

Equal to

Question 7 of 15

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

Two forces

One force only

Four forces

None of these

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

Converging

Different from each other

Same

Diverging

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

None of these

Surface tension

Drag force

Viscocity

Question 10 of 15

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

None of these

Remains constant

Increases

Decreases

Question 11 of 15

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12. Machine parts are jammed due to:

Decrease in viscosity of lubricant

Increase in viscosity of lubricant

Decrease in surface tension of lubricants

None of these

Question 12 of 15

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

Upward thrust due to air

Force of gravity

Surface tension

None of these

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

Laminar flow

Laminar flow and Streamline flow

Streamline flow

Turbulent flow

Question 14 of 15

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15. Glycerin has viscosity ______ the viscosity of water,

None of these

Equal to

Less than

More than

Question 15 of 15

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