A plot of expected operating characteristics (e.g.., discharge pressure versus inlet capacity, shaft horsepower versus inlet capacity).

Federal Communications Commission Rules governing radio equipment and operation in the United States.

A very strong sail used in stormy weather. It is loose footed, being attached to the mast, but not the boom. This helps prevent boarding waves from damaging the sail or the rigging.

American Shipbrokers Association

Ties used to tie up the sails when they are furled to the boom or yards.

Water of sufficient depth to allow a boat to travel through it.

A large, swelling wave. To surge a rope or cable, is to slack it up suddenly where it renders round a pin, or round the windlass or capstan.urge ho! The notice given when a cable is to be surged.

Above sea level

The official who is in charge of a harbor, enforcing all its applicable regulations.

Is the ratio of the thermodynamic work requirement in the cylinder to actual brake horsepower requirement.

Difference in air or gas temperature between the outlet of the intercooler and the inlet of the compressor.

A wind moving from the land to the water due to temperature changes in the evening, where the temperature of the land falls below the sea temperature.

A single block such as a snatch block used as a fairlead to bring a line in a more favorable direction.

Opposite of absorption or adsorption. In filtration, it relates to the downstream release of particles previously retained by the filter.

The tide with the least variation in water level, occurring when the moon is one quarter and three quarters full. The lowest high tide and the highest low tide occur at neap tide. The opposite is the spring tide.

To fill the seams of a vessel with pitch.

Is singular for media and is the material...paper, wire, cellulose or a combination... from which the filter element is made and which does the actual filtration or separation.

A floating log

Nautical equivalent of ceiling

A stationary, spirally shaped passage that converts velocity head to pressure.