Podcast
Questions and Answers
What is the pressure inside a sealed vessel measured relative to?
What is the pressure inside a sealed vessel measured relative to?
- the pressure outside the vessel (correct)
- the pressure inside another vessel
- standard atmospheric pressure
- atmospheric pressure
A car tyre has been inflated to an indicated value of 30 psi at the local service station. What is the absolute pressure inside the tyre?
A car tyre has been inflated to an indicated value of 30 psi at the local service station. What is the absolute pressure inside the tyre?
- 30 psi
- 45 psi (correct)
- 60 psi
- 15 psi
What is the difference in magnitude between two pressure readings called?
What is the difference in magnitude between two pressure readings called?
- absolute pressure
- hydrostatic pressure
- gauge pressure
- differential pressure (correct)
What subscript is sometimes added to the unit to indicate a differential pressure measurement?
What subscript is sometimes added to the unit to indicate a differential pressure measurement?
What is the pressure measured relative to atmospheric pressure called?
What is the pressure measured relative to atmospheric pressure called?
What is the unit specified as to indicate gauge pressure?
What is the unit specified as to indicate gauge pressure?
What is the reference point for absolute pressure measurement?
What is the reference point for absolute pressure measurement?
What type of pressure measurement compares the pressures between two different places?
What type of pressure measurement compares the pressures between two different places?
What is the unit for atmospheric pressure in absolute pressure measurement?
What is the unit for atmospheric pressure in absolute pressure measurement?
Why do deodorant spray cans warn against leaving them in direct sunlight?
Why do deodorant spray cans warn against leaving them in direct sunlight?
What type of pressure measurement is referenced to atmospheric pressure?
What type of pressure measurement is referenced to atmospheric pressure?
What is the notation used to indicate an absolute pressure measurement?
What is the notation used to indicate an absolute pressure measurement?
Which unit is commonly used in Australian aviation to measure atmospheric pressure?
Which unit is commonly used in Australian aviation to measure atmospheric pressure?
What is the standard atmospheric pressure in pascals (Pa)?
What is the standard atmospheric pressure in pascals (Pa)?
Which unit is used to describe pressure in the English system of units?
Which unit is used to describe pressure in the English system of units?
What is the abbreviation for pounds per square inch used to measure pressure?
What is the abbreviation for pounds per square inch used to measure pressure?
Which unit is equivalent to 1 kilopascal (kPa)?
Which unit is equivalent to 1 kilopascal (kPa)?
How is pressure often expressed in the context of 'atmospheres'?
How is pressure often expressed in the context of 'atmospheres'?
