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4 cards from this section. Quick, good the night before a test.
Define gauge pressure in your own words.
Think about pressures above the normal atmospheric level.
What is vacuum pressure?
Consider how pressures are reduced from normal levels.
What is gauge pressure?
Think about whether it is above or below the standard atmospheric level.
True or False: Vacuum pressure is always a positive value.
Consider the definition of vacuum in relation to atmospheric pressure.
A cylinder contains a gas at a gauge pressure of 300 kPa. If the atmospheric pressure is 100 kPa, calculate the absolute pressure.
Use the absolute pressure formula.
A vacuum chamber shows a gauge pressure of -50 kPa. What is the absolute pressure if atmospheric pressure is 101.3 kPa?
Apply the correct formula keeping signs in mind.
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