pounds per square inch.

pounds per square inch.

Related Terms 
HEAD
The measure of the pressure expressed in feet of height of water: 1 psi = 2.31 feet of water.

GAUGE PRESSURE
The pressure above that of atmospheric, 14.7 psi at sea level; absolute pressure minus 14.7 at sea level.

Safety NET
INMARSAT service for promulgating MSI to ships on the high seas, it includes shoretoship relays of distress alerts and communications for SAR coordination

PSI
Symbol or initials used to indicate pressure measured in pounds per square inch.

DIRECTIVITY FACTOR

PLAN EQUATION
The mathematical statement that horsepower plan/33,000, where p mean effective pressure (pounds per square inch), l length of piston stroke (feet), a net area of piston (square inches), and n number of cycles completed per minute.

PIE`ZE
A unit of pressure equal to 1 sthe`ne per square meter, or to 1000 pascals. Abbreviated pz.

PICTURE ELEMENT
1. That portion, in facsimile, of the subject copy which is seen by the scanner at any instant; it can be considered a square area having dimensions equal to the width of the scanning line. 2. In television, any segment of a scanning line, the dimension of which along the line is exactly equal to the nominal line width; the area which is being explored at any instant in the scanning process. Also known as critical area; elemental area; pixel; recording spot; scanning spot.

PERCH
Also known as pole; rod. 1. A unit of length, equal to 5.5 yards, or 16.5 feet, or 5.0292 meters. 2. A unit of area, equal to 30.25 square yards, or 272.25 square feet, or 25.29285264 square meters.

OFFSET YIELD STRENGTH
That stress at which the strain surpasses by a specific amount (called the offset) an extension of the initial proportional portion of the stressstrain curve; usually expressed in pounds per square inch.

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