L

118 Results
  • Ladder

    Steps used aboard ship in place of stairs. The angle of inclination for a vertical ladder should be between 75–90...

  • Lagging

    An insulating material applied to surfaces of pipes, or the boiler casing in order to reduce heat transfer.

  • Laid-up tonnage

    Ships not in active service; a ship which is out of commission for fitting out, awaiting better markets, needing...

  • Laker

    A type of ship which trades only in the Great Lakes of North America. They usually carry grain and ore cargoes.

  • Laminar flow

    A fluid flow in which the adjacent layers do not mix.

  • Lamination

    An excessively large, laminar, non-metallic inclusion, producing a defect appearing in sheets or strips as segregation...

  • Landmarks

    Prominent objects on land (churches, towers, high buildings, etc.), beacons and lighthouses serving as guides to...

  • Lap joint

    A joint between two overlapping members in parallel plane.

  • LASH (Lighter aboard ship)

    A barge carrier designed to act as a shuttle between ports, taking and discharging barges (lighters). The ship...

  • Lashing

    Wires, chains, ropes, or straps used to secure cargo on a ship. See also container lashing equipment.

  • Lashing bridge

    A strong steel structure installed between hatches to permit the stowage of an additional tier of containers or...

  • Latent heat

    The heat energy required to bring about a change of state of a unit mass of a substance, without any change in...

  • Latex

    A resin used in emulsion paints.

  • Launch

    A motorboat intended for operation in ports, bays and on calm water, limited to a wind force not exceeding 4 Beaufort...

  • Launch and recovery system of the underwater unit

    The lifting equipment necessary for raising, lowering and transporting the underwater unit between the surface...

  • Launching

    The transfer of a ship from land to water. The traditional launching is the sliding of a ship by its own weight...

  • Launching appliance or arrangement

    A means for transferring a survival craft or rescue boat from its stowed position safely to the water.

  • Launching ramp angle

    The angle between the horizontal and the launch rail of the lifeboat in its launching position with the ship on...

  • Launching ramp length

    The distance between the stern of the lifeboat and the lower end of the launching ramp.

  • Layout

    The arrangement of plant and equipment in, for example, a machinery space, or a drawing thereof.

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