9 Questions | Total Attempts: 162  Settings  This quiz will test you knowledge about the said topic. Hope you'll have a great time answering it and looking at your test result afterwards. GOOD LUCK!

• 1.
Who developed Bernoulli’s principle?
• A.

Daniel Bernoulli

• B.

Daniell Bernoulli

• C.

Daniele Bernoulli

• D.

David Bernoulli

• 2.
Bernoulli’s Principle states that:
• A.

As the speed of a moving fluid increases, the pressure within the fluid decreases.

• B.

As the speed of a moving fluid decreases, the pressure within the fluid also decreases.

• C.

As the speed of a moving fluid increases, the pressure within the fluid also increases.

• D.

None of the above

• 3.
What state of matter does Bernoulli’s Principle apply to?
• A.

Gas only

• B.

Liquid or gas

• C.

Liquid only

• D.

None of the above

• 4.
Water circulates throughout a house in a hot-water heating system. If water is pumped out at a speed of 0.50 m/s through a 4.0 cm diameter pipe in the basement under a pressure of 3.0 atm, what will be the flow speed and pressure in a 2.6 cm diameter pipe on the second floor 5.0 m above? Assume pipes do not divide into branches.
• A.

2.5 x 105N/m2

• B.

1. 5 x105 N/ m2

• C.

2.5 x 103 N/m2

• D.

None of the above

• 5.
What is the lift (in newtons) due to Bernoulli’s principle on a wing of area 86 m2 if the air passes over the top and bottom surfaces at speeds of 340 m/s and 290 m/s, respectively?
• A.

F=2.99 x 106 N

• B.

F=1.25 x 105 N

• C.

F = 1.7 x 106 N

• D.

None of the above

• 6.
Water at a gauge pressure of 3.8 atm at street level flows in to an office building at a speed of 0.06 m/s through a pipe 5.0 cm in diameter. The pipes taper down to 2.6cm in diameter by the top floor, 20 m above. Calculate the flow velocity and the gauge pressure in such a pipe on the top floor. Assume no branch pipe and ignore viscosity.
• A.

P2 = 3.28 x 105 Pa

• B.

P2 = 1.28 x 105 Pa

• C.

P2 = 2.8 x 105 Pa

• D.

P2 = 2.8 x 103 Pa

• 7.
If a fluid enters one end of a pipe at a certain rate, then fluid must also leave at the same rate.
• A.

TRUE

• B.

FALSE

• 8.
It is the mass of fluid per second that flows through a tube.
• A.

Volume flow rate

• B.

Mass flow rate

• C.

Fluid flow rate

• D.

Fluid density

• 9.
It is the volume of fluid per second that flows through a tube.
• A.

Fluid density

• B.

Mass flow rate

• C.

Volume flow rate

• D.

Mass flow rate

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