edit]. An important application of the knowledge that atmospheric pressure varies
directly with altitude was in ...
Jun 11, 2010 ... Let's look at how atmospheric pressure is measured. For a long time,
atmospheric pressure has been measured by a mercury barometer.
The atmospheric pressure is the weight exerted by the overhead atmosphere on
a unit area of surface. It can be measured with a mercury barometer, consisting ...
Since static fluid pressure is determined by the fluid density and depth, the depth
or height ... The standard atmospheric pressure is measured in various units: ...
Definition: The pressure
on the Earth's surface caused by the weight of the air in the atmosphere
. At sea level, this pressure
is 14.7 psi at 32OF (101 kPa at O"C).
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The basic unit for atmospheric pressure measurements is the pascal (Pa) (or ...
for measuring atmospheric pressure if they meet the following requirements:.
May 3, 2013 ... How an old fashioned mercury barometer measures barometric pressure. (a.k.a.
Air pressure is also called barometric pressure because barometers are used to
measure it. ... Scientists generally use hectopascals to measure air pressure.
An atmosphere (atm) is a unit of measurement equal to the average air pressure
at sea level at a temperature of 15 degrees Celsius (59 degrees Fahrenheit).
5.2 Principle of Atmospheric Pressure Measurement ···················································
··································· 1. 5.2.1. Mercury Barometer ...