Practice Barometers And Manometers (3.1) - Introduction to Barometers - Hydraulic Engineering

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9 questions

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2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What does a barometer measure?
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Think about weather instruments.
Question 2.
What is the density of mercury compared to water?
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Consider why we use it in barometers.
3Question 3.
What does a barometer measure?
- Atmospheric pressure
- Temperature
- Density
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Consider weather forecasting tools.
4Question 4.
True or False: A differential manometer measures pressure relative to the atmosphere.
- True
- False
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Think about the terminology.
Question 5.
A gas is maintained at a fixed volume, at a pressure of 2 atm. If the temperature is raised while keeping the volume constant, what happens to pressure?
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Remember the relationships between temperature and pressure in gases.
Question 6.
Calculate the height of mercury in a barometer that measures an atmospheric pressure of 95000 Pa.
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Use the standard density of mercury for conversion.

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