The list prepared by the master of a ship showing the full names, nationality, passport or discharge book number, rank and age of every officer and crew member engaged on board that ship and is one of the essential ship's documents presented to the customs and immigration authorities on arrival at a new port.


Related Terms

SEA VALVE

A shut off valve through the hull for intake or discharge piping.

POINT SOURCE

A municipal or industrial wastewater discharge through a discrete pipe or channel.

OPENING PRESSURE

The static inlet pressure at which discharge is initiated.

MULTIPORT BURNER

A burner having several nozzles which discharge fuel and air.

LOSS-IN-WEIGHT FEEDER

A device to apportion the output of granulated or powdered solids at a constant rate from a feed hopper; weight-measured decrease in hopper content actuates further opening of the discharge chute to compensate for flow loss as the hopper overburden decreases; used in the chemical, fertilizer, and plastics industries.

HYDROMETROGRAPH

An instrument that measures and records the rate of water discharge power.

HORIZONTAL FIRING

The firing of fuel in a boiler furnace in which the burners discharge fuel and air into the furnace horizontally.

HOPPER

A funnel-shaped receptacle with an opening at the top for loading and a discharge opening at the bottom for bulk-delivering material such as grain or coal.

SUPERIMPOSED BACK PRESSURE

The static pressure existing at the outlet of a pressure relief device before ihe device operates. It is the result of pressure in the discharge system from other sources.

BUILT-UP BACK PRESSURE

A pressure existing at the outlet of a pressure relief device occasioned by the flow through that particular device into a discharge system, as well as contributing flow from other sources into the same discharge system.

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