O

68 Results
  • Open water efficiency

    The ratio of the thrust power to the power absorbed by the propeller operating without a hull attached, i.e. in...

  • Openings

    The external openings may be listed into the following categories, depending on their means of closure: unprotected...

  • Open-top container vessel RIJNBORG

    Built by IHC Holland Dredgers BV Shipyard the RIJNBORG is the open top cellular container carrier with a capacity...

  • Open-top reefer container vessel DOLE COLOMBIA

    In the middle of 1990’s, Dole Fresh Fruit International looked for vessels able to transport 1000 reefer 40ft containers...

  • Operating values of an engine

    Engine data, like cylinder peak pressure, exhaust gas temperature, etc., from the engine log which are related...

  • Operation manual

    An instruction book provided by manufacturer, which details the correct operating procedure for a piece of equipment.

  • Operational

    Ready for immediate use.

  • Operational design

    Operational design is that part of the design process, which ensures that the crew and stevedores can operate a...

  • Operator

    A person, a company, or a government agency, or a representative of a company keeping operational control over...

  • Ore carrier

    A single-deck bulk carrier having two longitudinal bulkheads and a deep double bottom throughout the cargo region...

  • Ore/oil carrier

    A combination carrier similar in construction to an ore carrier but also features side tanks for the carriage of...

  • Orimulsion

    An emulsion containing 70% of natural bitumen finely dispersed in water and stabilised by a package of additives...

  • Osmosis

    The diffusion of a solvent through a semi-permeable membrane which separates two solutions of different concentrations...

  • Outboard

    In a direction away from the centerline of the ship.

  • Overall survey

    A survey intended to report on the overall condition of the hull structure and determine the extent of additional...

  • Overflow

    Accidental escape of oil from a tank when it gets too full because pumping was not stopped in time.

  • Overflow pipes

    Pipes provided to prevent, during filling operations, an overload greater than the one corresponding to the test...

  • Overhead welding position

    The welding position in which welding is performed from the underside of the joint.

  • Overload

    A load which is in excess of the rated capacity of the unit or device, e.g. an engine, motor, electric cable.

  • Overload protection

    A device which interrupts the current flow if it reaches an excessive value.

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