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Pressure and Measurement Units Quiz

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Questions and Answers

Which unit is used to express pressure in the SI system?

Atmosphere (atm)

Pascal (Pa) (correct)

Pound-force per square inch (psi)

Torr

What is gauge pressure?

Pressure relative to the ambient pressure (correct)

Pressure expressed in terms of standard atmospheric pressure

Pressure exerted on a surface

Pressure measured in manometric units

What is the torr?

The SI unit of pressure

A unit of force divided by a unit of area

1⁄760 of standard atmospheric pressure (correct)

The pressure exerted by a particular fluid

Which unit is used to express pressure in the imperial and US customary systems?

<p>Pound-force per square inch (psi)</p> Signup and view all the answers

What are manometric units used for?

<p>Expressing pressures in terms of the height of a fluid in a manometer</p> Signup and view all the answers

Study Notes

Pressure Units

In the SI system, pressure is expressed in pascals (Pa).
Gauge pressure is the pressure relative to atmospheric pressure, measured in units of pascals (Pa) or pounds per square inch (psi).
The torr is a unit of pressure, equivalent to 1/760 of a standard atmosphere, primarily used to measure pressure in vacuum systems.

Imperial and US Customary Systems

In the imperial and US customary systems, pressure is expressed in pounds per square inch (psi).

Manometric Units

Manometric units, such as inches of water (inH2O) or millimeters of mercury (mmHg), are used to measure pressure in industrial and technical applications, particularly in the context of fluid flow and pressure measurement.

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Description

Test your knowledge on pressure and its measurement units with this quiz. Learn about gauge pressure, the pascal as the SI unit of pressure, and other units used to express pressure.