The section of a ship that houses the propulsion shaft, running from the engine room to the stuffing box or stern tube.

Related Terms

BUMPKIN

The spar projecting from stern of ship

TRAMP FREIGHTER

A cargo ship engaged in the tramp trade.

CORDAGE

Ropes in the rigging of a ship

CROWN

The top of the piston in an internal combustion engine above the fire ring, exposed to direct flame impingement.

WEATHER SIDE

The side of a ship exposed to the wind.

DEPOSITS

Oil-insoluble materials that result from oxidation and decomposition of lube oil and contamination from external sources and engine blow-by. These can settle out on machine or engine parts. Examples are sludge, varnish, lacquer and carbon.

ADIABATIC EFFICIENCY

The ratio of actual work output of a heat engine to the ideal output.

DOGWATCH

A short, evening period of watch duty on a ship

API ENGINE SERVICE CATEGORY

Gasoline and diesel engine oil quality levels established jointly by API, SAE, and ASTM, and sometimes called SAE or API/SAE categories; formerly called API Engine Service Classifications.

FARDAGE

A wood placed in bottom of ship to keep cargo dry

Related questions

MarineProHelp 2018 - 2022