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A kip is a US customary unit of force. It equals 1000 pounds-force , and is used primarily by structural engineers to indicate forces where the value represented in pound-force is inefficient. Although uncommon, it is occasionally also considered a unit of mass , equal to 1000 pounds (i.e. one half of a short ton ).
The kilopound per square inch (ksi) is a scaled unit derived from psi, equivalent to a thousand psi (1000 lbf/in 2). ksi are not widely used for gas pressures. They are mostly used in materials science, where the tensile strength of a material is measured as a large number of psi. [4] The conversion in SI units is 1 ksi = 6.895 MPa, or 1 MPa ...
1 Quad 10 15 BTU, one quadrillion BTU (short-scale) or 1.055×10 18 joule (1.055 exajoules or EJ) Power 1 horsepower ≈ 745.7 W; 1 ton of refrigeration (12,000 Btu/h) = 3.517 kW; Pressure 1 inch of mercury = the pressure produced by 1 inch height of mercury = 3,386.39 pascals (33.8639 hPa, millibars) 1 pound per square inch (psi) ≈ 6,895 Pa ...
Units for other physical quantities are derived from this set as needed. In English Engineering Units, the pound-mass and the pound-force are distinct base units, and Newton's Second Law of Motion takes the form = where is the acceleration in ft/s 2 and g c = 32.174 lb·ft/(lbf·s 2).
Use of the kilogram-force per square centimetre continues primarily due to older pressure measurement devices still in use. This use of the unit of pressure provides an intuitive understanding for how a body's mass , in contexts with roughly standard gravity , can apply force to a scale's surface area , i.e. kilogram-force per square (centi ...
An example of this is the air pressure in an automobile tire, which might be said to be "220 kPa (32 psi)", but is actually 220 kPa (32 psi) above atmospheric pressure. Since atmospheric pressure at sea level is about 100 kPa (14.7 psi), the absolute pressure in the tire is therefore about 320 kPa (46 psi).
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120–290 psi Pressure used in boilers of steam locomotives [citation needed] 1.1 MPa 162 psi Pressure of an average human bite [citation needed] 2.8–8.3 MPa 400–1,200 psi Pressure of carbon dioxide propellant in a paintball gun [64] 5 MPa 700 psi Water pressure of the output of a coin-operated car wash spray nozzle [58] 5 MPa 700 psi