KATEGORI

1--5 What are atmospheric pressure, absolute pressure, and gauge pressure? What are the commonly used units of pressure?

Butiran Kes

Answer: The pressure caused by a thick layer of atmosphere surrounding the earth's surface on the earth's surface or objects on the surface is called "atmospheric pressure", with the symbol of

. The pressure directly acting on the surface of a container or object is called "absolute pressure", and the absolute pressure value takes absolute vacuum as the starting point, with the symbol of

; the pressure measured by instruments such as pressure gauges, vacuum gauges, and U-tubes is called "gauge pressure", and the "gauge pressure" takes atmospheric pressure as the starting point, with the symbol of

. The relationship between the three is

Pressure refers to the force per unit area, and the pressure unit is , recorded as Pa, called Pascal. MPa (megapascal) is commonly used in engineering

1 standard atmospheric pressure = 0.1013MPa

In the old unit system, pressure is usually measured in

(kilogram force/square centimeter).

Sebelumnya

1--4 Under what conditions does unsaturated air become saturated air? What is "condensation"? Please explain its phenomenon.

Seterusnya

1--6 What is temperature? What are the commonly used temperature units?

DIVERSITY OF EXPLORATION

OUTDOOR SCENE

However, those with sealed components, including motors, controllers, and connectors, can also be operated outdoors. Performance IC forklifts tend to be utilized in heavy-duty applications, such as brick and lumber yards, where larger capacity and performance is required to move the heavy loads.