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The unit, named after Blaise Pascal, is an SI coherent derived unit defined as one newton per square metre (N/m 2). [1] It is also equivalent to 10 barye (10 Ba) in the CGS system. Common multiple units of the pascal are the hectopascal (1 hPa = 100 Pa), which is equal to one millibar , and the kilopascal (1 kPa = 1000 Pa), which is equal to ...
A stovetop pressure cooker. A pressure cooker is a sealed vessel for cooking food with the use of high pressure steam and water or a water-based liquid, a process called pressure cooking. The high pressure limits boiling and creates higher temperatures not possible at lower pressures, allowing food to be cooked faster than at normal pressure.
{{convert|123|cuyd|m3+board feet}} → 123 cubic yards (94 m 3; 40,000 board feet) The following converts a pressure to four output units. The precision is 1 (1 decimal place), and units are abbreviated and linked.
A pressure cooker is often used to compensate for the low atmospheric pressure at very high elevations. Under these circumstances, water boils at temperatures significantly below 100 °C and, without the use of a pressure cooker, may leave boiled foods undercooked. Charles Darwin commented on this phenomenon in The Voyage of the Beagle: [1]
Pressure units Pascal Bar Technical atmosphere Standard atmosphere Torr Pound per square inch (Pa) (bar) ... 1 lbf/in 2: 6 894.757 293 168: 0.068 947 573:
It is the pressure altitude at the landing runway threshold. Most aviation texts for PPL and CPL exams describe a process for finding the pressure altitude (in feet) using one of the following rule of thumb formulae. Internationally, pressure altitude is approximated as:
It also applies to the feet of a walking person or machine. Pressure is measured in the SI unit of pascals (Pa). Average ground pressure can be calculated using the standard formula for average pressure: P = F/A. [2] In an idealised case, i.e. a static, uniform net force normal to level ground, this is simply the object's weight divided by ...
A centimetre of water [1] is a unit of pressure. It may be defined as the pressure exerted by a column of water of 1 cm in height at 4 °C (temperature of maximum density) at the standard acceleration of gravity, so that 1 cmH 2 O (4°C) = 999.9720 kg/m 3 × 9.80665 m/s 2 × 1 cm = 98.063754138 Pa ≈ 98.0638 Pa, but conventionally a nominal maximum water density of 1000 kg/m 3 is used, giving ...