An important parameter in establishing an entrained particle's potential to impinge on control surfaces and cause erosion.

See Insurance, Particular Average.

A device designed to remove solids, such as dirt, scale, rust and other contaminants from the air system.

The fine liquid or solid particles contained in combustion gases. The quantity and size of particulates emitted by cars, power and industrial plants, wood stoves, etc are regulated by the U.S. Environmental Protection Agency.

The selective attack of one or more components of a solid solution alloy; eg. dezincification, dealumination etc. See dealloying.

Strop inserted between two hawsers, and weaker than the hawsers, so that strop, and not hawsers, will part with any excessive strain.

A measure of proportion by weight, equivalent to one unit weight of a material per billion (109) unit weights of compound. One part per billion is equivalent to 1 mg/kg.

A measure of proportion by weight, equivalent to one unit weight of a material per million (106) unit weights of compound. One part per million is equivalent to l mg/g

Name given to the unit of pressure in the International System of Units (SI). Equal to 1 newton/meter2 or 0.01 millibar.

A hydrostatic principle that pressure supplied to an enclosed fluid is transmitted undiminished to every portion of the fluid and to the walls of the containing vessel.

Passenger.

Passenger

To reeve and secure a line.

To reeve and secure a stopper (hold a strain on a line while transferring it).

Relay to all others in order (a signal repeated from one ship to the next astern in column).

To repeat an order for information to the crew.

Any person on board other than the master and members of the crew or other persons employed or engaged in any capacity on board a ship on the business of that ship.

(1) A reduction of the anodic reaction rate of an electrode involved in corrosion. (2) The process in metal corrosion by which metals become passive. (3) The changing of a chemically active surface of' a metal to a much less reactive state. Contrast with ...

A type of inhibitor that appreciably changes the potential of u metal to a more noble (positive) value.

(1) A metal corroding under the control of a surface reaction product. (2) The state of the metal surface characterized by low corrosion rates in a potential region that is strongly oxidizing for the metal. (3) The state of a metal when its behavior is mu ...