Practice Mercury Barometer (8.6) - Pressure Field when Fluid is at Rest

Practise this section

8 questions

Flashcard drill
2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What is gauge pressure?
Show hintHide hint
Think about the reference point for measuring pressure.
Question 2.
Define vacuum pressure.
Show hintHide hint
Consider how it would feel in a space where air is removed.
3Question 3.
Gauge pressure is defined as pressure measured above which level?
- Absolute zero
- Vacuum
- Atmospheric pressure
Show hintHide hint
Think of gauge pressure as what you would read on a tire pressure gauge.
4Question 4.
True or False: The pressure in a mercury barometer increases with height.
- True
- False
Show hintHide hint
Reflect on how the barometer functions at different altitudes.
Question 5.
A mercury barometer shows a height of 700 mm Hg. Calculate the atmospheric pressure in kPa. What does this indicate about altitude?
Show hintHide hint
Use the conversion factor: 1 mmHg = 0.133322 kPa.
Question 6.
If a mercury barometer is taken from sea level to a mountain with a height of 3000 meters, will the mercury column rise or fall? Why?
Show hintHide hint
Consider how atmospheric conditions change with elevation.

4 more questions in this section. Enroll free to practise them all.