5 Questions
What is the SI unit of pressure?
Pascal (Pa)
Which unit of pressure is defined as 1⁄760 of standard atmospheric pressure?
Torr
Which unit is used to express pressure in terms of the height of a column of a particular fluid in a manometer?
Centimetre of water
What is gauge pressure relative to?
Standard atmospheric pressure
Which unit is the traditional unit of pressure in the imperial and US customary systems?
Pound-force per square inch (psi)
Study Notes
Units of Pressure
- The SI unit of pressure is Pascal (Pa).
- The unit of pressure defined as 1⁄760 of standard atmospheric pressure is Torr.
- The unit used to express pressure in terms of the height of a column of a particular fluid in a manometer is mmHg (millimeter of mercury).
- Gauge pressure is relative to atmospheric pressure.
- The traditional unit of pressure in the imperial and US customary systems is psi (pound per square inch).
Test your knowledge of pressure and gauge pressure with this quiz. Explore various units used to express pressure, including the SI unit, the pascal (Pa).
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