1. A small depression of the sea floor. 2. An opening through a piece of sea ice, or an open space between ice cakes. 3. A small bay, particularly in New England
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REMOTE REFRIGERATING SYSTEM
Refrigerating system in which condensing unit is away from space to be cooled.
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AIR GAP
The space between magnetic poles, or between the rotating and stationary assemblies in a motor or generator.
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CAM
Eccentric shaft used in most internal combustion engines to open and close valves.
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BLACK OIL
A lubricant containing asphaltic materials, which impart extra adhesiveness, that are used for open gears and steel cables.
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BRIDGING
A condition of filter element loading in which contaminant spans the space between adjacent sections of a filter element, thus blocking a portion of the useful filtration.
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HALF-TIDE BASIN
A lock of very large size and usually of irregular shape, the gates of which are kept open for several hours after high tide so that vessels may enter as long as there is sufficient depth over the sill. Vessels remain in the half-tide basin until the ensuing flood tide before they may pass through the gate to the inner harbor. If entry to the inner harbor is required before this time, water must be admitted to the half-tide basin from some external source.
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FIRE POINT
The temperature to which a combustible liquid must be heated so that the released vapor will burn continuously when ignited under specified conditions (Clevelend Open Cup).
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SEA CHEST
An opening for supplying seawater to condensers, pumps, etc. located in the hull below the waterline and having means for the attachment of the associated piping
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FILTER RATED CAPACITY
The amount of contaminants a filter will hold before an excessive pressure drop is caused. Some filters have bypass valves which open when a filter reaches its rated capacity.
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TWEEN DECK
The space between any two adjacent decks
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