A type of planning at a broad level without consideration of individual products and activities in order to develop a program of output that will meet future demand under given constraints.
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TRY VALVESTest valves on a water column used to verify the water level when the gauge glass is out of service. |
POINT OF FALL
The point in the curved path of a falling projectile that is level with the muzzle of the gun. Also known as level point.
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PHOTOELECTRIC LIQUID-LEVEL INDICATOR
A level indicator in which rising liquid interrupts the light beam of a photoelectric control system; used in a tank or process vessel.
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PERMISSIBLE EXPOSURE LIMIT
The level of air contaminants that represents an acceptable exposure level as specified in standards set by a national government agency; generally expressed as 8-hour time-weighted average concentrations. Abbreviated PEL.
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OVERSTRESSING
Cyclically stressing a material at a level higher than that used at the end of a fatigue test.
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OVERLOAD CAPACITY
Current, voltage, or power level beyond which permanent damage occurs.
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ORTHOMETRIC HEIGHT
The distance above sea level measured along a plumb line.
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ORTHOMETRIC CORRECTION
A systematic correction that must be applied to a measured difference in elevation since level surfaces at varying elevations are not absolutely parallel.
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ORDER POINT
The inventory level at which a replenishment order must be placed.
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OPERATING WATER LEVEL
The water level in a boiler drum which is normally maintained above the lowest safe level.
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