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Topic: Pound per square inch


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In the News (Sat 28 Nov 09)

  
  Units: P
The Argentine length is 28.89 centimeters or 11.37 inches; in Texas, 1/3 vara is 11 1/9 inches or 28.22 centimeters.
The pieze is a pressure of one sthene per square meter, or 1000 newtons per square meter, or one kilopascal.
One pound mole of a chemical compound is the same number of pounds as the molecular weight of a molecule of that compound measured in atomic mass units.
www.unc.edu /~rowlett/units/dictP.html   (9413 words)

  
 Pound-force per square inch - Wikipedia, the free encyclopedia
Pound-force per square inch (symbol: lbf/in²) is a non-SI unit of pressure.
The language dependent abbreviation psi is common in regions where English is spoken.
At 1 lbf/in², a force of one pound-force is applied to an area of one square inch.
en.wikipedia.org /?title=PSI   (194 words)

  
 Submarine Hydraulic Systems - Chapter 1
Therefore, for unconfined liquids, that is, liquids in open containers, the pressure in pounds per square inch exerted by the liquid on the bottom of the container is equal to the weight of the liquid on each square inch of the bottom of the container.
The tank is vented to the atmosphere; thus atmospheric pressure (14.7 pounds per square inch) forces the oil into the inlet, or suction, side of the pump, in accordance with the principle explained in connection with Figure 1-14.
Since the piston in the actuating cylinder presents an area of 2 square inches to the fluid -twice as great as the area presented by the pump piston- the total force acting against the piston of the actuating cylinder is 200 pounds, enough to overcome the resistance of the loading spring and close the door.
www.hnsa.org /doc/fleetsub/hydr/chap1.htm   (6480 words)

  
 Read about Pound-force per square inch at WorldVillage Encyclopedia. Research Pound-force per square inch and learn ...   (Site not responding. Last check: 2007-10-13)
Pounds-force per square inch (lbf/in² or PSI) is a non-SI unit of pressure.
For technical accuracy, psi must be expressed as psig (pounds-force per square inch gauge) or psia (pounds-force per square inch absolute; that is, gauge pressure plus local atmospheric pressure).
Gauge pressure can be further subdivided into psivg (psi vented gauge) and psisg (psi sealed gauge), the difference being that psisg measures the difference in psi between a chamber of air sealed at atmospheric pressure and the pressure at the measuring point, while psivg measures the difference between the measuring point and the local pressure.
encyclopedia.worldvillage.com /s/b/PSI   (216 words)

  
 SOLID OR CUBIC MEASURE   (Site not responding. Last check: 2007-10-13)
(inches and feet of water are measured at 62
and inches and millimeters of mercury at 32
1 atmosphere = 760 mm (29.92 in.) mercury with density of 13.6 grams per cubic centimeter
www.littleredbook.com /conv.html   (122 words)

  
 HealingWithin Service 2
A one inch in diameter, lubricated speculum is inserted by client and/or colon hydrotherapist about three and a half inches into the anal canal on the exhale, or during a series of exhales.
Water enters the colon at approximately 0.25 to.5 psi, (pound per square inch) of pressure, with possible short fills of up to 2 psi.
Psi or head pressure in a gravity system is measured from the top of the water to the lowest point of the tubing times.04 psi per inch.
home.comcast.net /~healingwithin/Session_Overview.htm   (367 words)

  
 Lab Notes
In the case of water.5 millimeter is equal to.0014 pound per square inch.
If we now apply a pressure of 36 millionths of a pound per square inch to the surface of the water in the closed container, the water level will fall.00.5 inch and will flow through the transparent tube until the level rises an equal amount in the opposite container.
Hence a bubble displacement of 1/8 inch indicates a change in pressure of a millionth of a pound per square inch.
www.sas.org /E-Bulletin/2001-10-05/labNotes2/labNotes.html   (855 words)

  
 Chronological Development of Air Burst
The overpressure at the Mach front is 6 pounds per square inch and the blast wind velocity immediately behind the front is about 180 miles per hour.
The total accumulated amounts of thermal radiation, expressed in calories per square centimeter, received at various distances from ground zero after a 20-kiloton air burst, at 1,760 feet, are shown on the scale at the bottom of the figure (for further details, see Chapter VII).
The overpressure at the front is roughly 1 pound per square inch, in both cases, and the wind velocity behind the front is 40 miles per hour.
www.cddc.vt.edu /host/atomic/nukeffct/airburst.html   (1118 words)

  
 Skin cleansing product having low density wiping zone treated with a lipophilic cleansing emollient - Patent 4112167
In the preferred embodiment, a basis weight of 30 pounds per 3,000 square feet (49 gms per square meter) was used with a crepe of 25 percent.
Web 10 is immersed in the embedding medium and a 1 pound (454 gms) stainless steel weight having a one square inch (6.45 square cms) cross sectional area is placed on web 10 and the embedding medium is cured.
The one pound (454 gm) weight will compress 1 square inch (6.45 square cms) of web 10 and cause the excess embedding medium to flow out of web 10 before curing thereby forming a flared portion which may be trimmed after web 10 is cured.
www.freepatentsonline.com /4112167.html   (6340 words)

  
 I Conversions : Inch, Inches, Inch of Mercuy, Inch of Water
I Conversions : Inch, Inches, Inch of Mercuy, Inch of Water
Conversions, conversion factors, conversion tables, Inch of water, inch of mercury, inch, inches, degree, atmosphere, pascal, pound per square inch, pound per square foot, kilogram per square meter, statute miles, centimeters.
Inch of water (4°C) ---> Inch of mercury (0°C)
www.export911.com /convert/conFac-I.htm   (315 words)

  
 Re: what is the difference between pressure and force?
If that piece of brick were 5 inches square, its area would be 25 square inches: the pressure applied to the sidewalk would be 175 pounds/25 square inches = 7 pounds per square inch.
If a liquid has a pressure of one pound per square inch, every square inch of surface it presses against has one pound of force spread over it.
The one pound per square inch from before pushing on ten square inches of surface adds up to a total force of ten pounds trying to push whatever the surface is attached to.
www.madsci.org /posts/archives/2000-09/970094934.Me.r.html   (537 words)

  
 Factory Supply...Page 15
1 megapascal = 145.0377 pounds per square inch
pounds per inch x.1786 = kilograms per centimeter
pounds per inch x 1.7855 = newtons per centimeter
www.stlfs.com /fspg15.htm   (84 words)

  
 WATER FACTS
It takes about 1,000 gallons of water to grow the wheat to make a two pound loaf of bread, and 120 gallons of water to produce one egg.
Approximately 48,000 gallons of water are needed to grow and prepare the food for a typical Thanksgiving dinner for eight.
A hot water faucet that leaks 60 drops per minute can waste 192 gallons of water and 48 kilowatt hours of electricity per month.
www.co.dare.nc.us /Water/othsts/facts.htm   (661 words)

  
 Elk Anatomy and Physiology - Elk Article #2
They indicated hoof loads of bulls ranged from 560-910 grams per square centimeter with an average of 750 (0.19-0.31 pound per square inch, with an average of 0.26).
Hoof loads of cows ranged from 480-860 grams per square centimeter, with an average of 620 (0.16-0.29 pound per square inch, with an average of 0.21).
Mean copper values ranged from 356 milligrams per kilogram (161.5 milligrams per pound) of fresh matter in fetus/neonates to 10.5 milligrarns per kilograrn (4.76 milligrams per pound) in mature animals (Reid et al.
www.bowhunting.net /NAspecies/elk2.html   (3250 words)

  
 Metric Conversions
One pound per cubic yard = 0.5932764 kilograms (kg) per cubic meter.
One pound per cubic foot = 16.018846 kilograms (kg) per cubic meter.
One gallon per cubic yard = 4.951132 liters per cubic meter.
www.kuhlman-corp.com /metric.html   (110 words)

  
 Atmosphere   (Site not responding. Last check: 2007-10-13)
This envelope of gases is so thin that the greatest possible atmospheric pressure (force exerted by the weight of gases) on Mercury would be about 0.00000000003 pound per square inch (0.000000000002 kilogram per square centimeter).
The atmospheric pressure on the earth is about 14.7 pounds per square inch (1.03 kilograms per square centimeter).
The plant and animal life of the earth could not live on Mercury because of the lack of oxygen and the intense heat.
www.worldbook.com /features/mercury/html/atmosphere.html   (115 words)

  
 Weight and Pressure of the Atmosphere (from atmosphere) --  Britannica Student Encyclopedia
It is defined as 101,325 pascals, or newtons of force per square metre (approximately 14.7 pounds per square inch).
The pressure exerted on a floor by a 42-pound box the bottom of which has an area of 84 square inches is equal to the force divided by the area over which it is exerted; i.e., it is one-half pound per square inch.
Atmospheric pressure can be measured with a mercury barometer (hence the commonly used synonym barometric pressure), which indicates the height of a column of mercury that exactly balances the weight of the column of atmosphere over the barometer.
www.britannica.com /ebi/article-196868?tocId=196868&ct=   (925 words)

  
 New Richmond Utilities
For every 2.31 feet that water is raised above the earth's surface it can create one pound per square inch of pressure.
For every 2.31 feet you are submerged below a body of water's surface there is 1 pound per square inch of pressure equally placed on your body.
The average household uses 107,000 gallons of water per year.
www.newrichmondutilities.com /energy_efficiency?CategoryNumber=4&SubcategoryNumber=2   (217 words)

  
 An investigation of the coefficient of discharge of liquids through small round orifices   (Site not responding. Last check: 2007-10-13)
The work covered by this report was undertaken in connection with a general investigation of fuel injection engine principles as applied to engines for aircraft propulsion, the specific purpose being to obtain information on the coefficient of discharge of small round orifices suitable for use as fuel injection nozzles.
Values for the coefficient were determined for the more important conditions of engine service such as discharge under pressures up to 8,000 pounds per square inch, at temperatures between 80 degrees and 180 degrees F. And into air compressed to pressures up to 1,000 pounds per square inch.
The results show that the coefficient ranges between 0.62 and 0.88 for the different test conditions between 1,000 and 8,000 pounds per square inch hydraulic pressure.
naca.larc.nasa.gov /reports/1926/naca-report-224   (160 words)

  
 12/97 m.e. marketplace: tech focus   (Site not responding. Last check: 2007-10-13)
The recommended working pressure is 800 pounds per square inch, and the maximum is 1,200 pounds per square inch.
The unit's maximum inlet design pressure is 600 pounds per square inch gauge and the maximum outlet pressure is 450 pounds per square inch gauge.
The VPV-16 (1 cubic inch) generates 67 decibels at 3,000 pounds per square inch and 18,000 rpm.
www.memagazine.org /backissues/december97/marketplace/tech_focus/techfocus1.html   (1392 words)

  
 LENGTH   (Site not responding. Last check: 2007-10-13)
mile per hour(mph) x 1.6093 = kilometer per hour(kmph)
revolution per mile = 5280 / tire rollout(ft per rev.)
revolution per kilometer = 1000 / tire rollout(m per rev.)
kotisivu.mtv3.fi /e32/convert.htm   (309 words)

  
 Uses of Hydraulic Pressure
square inches, each square inch has a force of 1 pound
AZ = area of the large piston, in square inches.
inches, and the smaller one has an area of 2 square
www.tpub.com /content/engine/14037/css/14037_68.htm   (319 words)

  
 LNG Glossary   (Site not responding. Last check: 2007-10-13)
See Appendix H. A graph in which the send-our of a gas system, or segment of a system, is plotted against Intervals of time.
The concentration of gas load for a given area expressed as gas volume per unit of time and per unit of area.
Mixtures of liquefied petroleum gas and air to obtain a desired heating value and capable of being distributed through a distribution system also used for stand-by and peak-shaving purposes by gas utilities.
www.omanlng.com /htm/lng_facts/glossary_i.asp   (338 words)

  
 The Pressure-Reducing or "Feed" Valve   (Site not responding. Last check: 2007-10-13)
And since weight exerts pressure downward, you could put a pressure gauge in the boiler and read the weight of the column of water in "pounds per square inch." This, by the way, is the same pressure that affects deep-sea divers.
The answer is simple: A column of water 2.31 feet high (that’s about 28 inches) will exert on pound per square inch (psi) of pressure down on the bottom.
If the water is 2.31 feet deep, there’s going to be one pound per square inch of pressure at the bottom.
fhaspapp.ittind.com /homeowners/PressureReducingValve.htm   (1867 words)

  
 7/97 mechanical engineering: input output
The larger snake weighed 5,500 pounds and operated at peak at 600 horsepower.
In addition to handling the force from the weight of the snake, it had to withstand the reactive loads, which were very high because the snake moved quickly and extended up to 20 feet from the mounting point.
As a result, the system operated at high pressure (5,000 pounds per square inch) and had a fast frequency response more common to aerospace applications than industrial ones.
www.memagazine.org /backissues/july97/departments/input_output/input_out.html   (763 words)

  
 Sampling Distributions
Plastic bags used for packaging produce are manufactured so that the breaking strength of the bag is normally distributed with a mean of 5 pounds per square inch and a standard deviation of 1.5 pounds per square inch.
(a)(1) What is the probability that the average breaking strength is between 5 and 5.5 pounds per square inch?
Use your common sense to decide if the answer the calculator comes up with is reasonable.
www.stat.wmich.edu /s216/nppsamp   (433 words)

  
 MasterCare® Car Service - Tires   (Site not responding. Last check: 2007-10-13)
Tires lose 1 psi (pound per square inch) per month under normal conditions.
If your tires lose more than two pounds per square inch (2 psi) per month, have your vehicle inspected by a qualified technician.
This may be indicative of damage to the tire, valve or wheel.
www.mastercare-usa.com /tires/maintenance_inflation.jsp   (252 words)

  
 Missile Bases- AtlasF   (Site not responding. Last check: 2007-10-13)
These sites were the first of the "super hardened" missile silos, built to withstand a 200 pound per square inch blast.
Approximately 2363 square feet of floorspace not including stairway or vestibule.
Access is from a 40 foot tunnel leading from the command building stairway Missile silo has an approximate volume of 363,062 cubic feet.
www.missilebases.com /atlasF   (250 words)

  
 Exploratorium: Science Snacks: Tired Weight
(This activity is not in metric since most common tire pressure gauges are in PSI or Pounds per Square Inch.
To find this, multiply the length and width of the "footprint." Your answer should be in square inches.
When you multiply square inches by pounds per square inch, the square inches cancel and you're left with pounds.
www.exploratorium.edu /snacks/tired_weight   (396 words)

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