Physics Quiz! Quiz Test About Your Knowledge Of The Physics!

9 Questions | By Donnaingusan | Updated: Mar 17, 2022 | Attempts: 184

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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!

Questions and Answers

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