B

219 Results
  • Back haul

    The return movement of a means of transport providing a transport service in one direction.

  • Backgouging

    The removal of weld metal and base metal from the weld root side of a welded joint to facilitate complete fusion...

  • Backing

    A material or device placed against the backside of the joint, or at both sides of a weld in electroslag and electrogas...

  • Backing pass, backing weld

    A weld pass made for a backing weld

  • Backing ring

    Backing in the form of a ring, generally used in the welding pipe.

  • Backpressure

    The pressure existing on the exhaust side of a system, e.g. the pressure opposing the motion of an engine piston...

  • Back-up navigator

    Any individual, generally an officer, who has been designated by the vessel master to be on call if assistance...

  • Baffle plate

    A plate used to direct fluid flow, e.g. the hot gases in a boiler furnace or the oil in a sump tank.

  • Bagged cargo

    Various kinds of commodities usually packed in sacks or in bags, such as sugar, cement, milk powder, onion, grain...

  • Balance ratio

    The ratio, of the blade area situated forward of the rudderstock to the total rudder blade area.

  • Bale capacity, bale cubic

    The cubic capacity of a cargo hold measured to the inside of the frames or cargo battens.

  • Ballast

    Any solid or liquid weight placed in a ship to increase the draught, to change the trim, or to regulate the stability...

  • Ballast movement

    A voyage or voyage leg made without any paying cargo in a vessel tanks. To maintain proper stability, trim, or...

  • Ballast pumps

    Electric-driven pumps, usually vertically mounted and fitted with separate motor-driven priming systems. Close-coupled...

  • Ballast system

    Piping and pumping system arranged so that water can be drawn from any ballast tank or the sea and discharged to...

  • Ballast tank

    Watertight compartment for holding water ballast.

  • Ballast Water Discharge Requirements

    1. Ballast Water Convention, 2004 -The International Convention for the Control and Management of Ships’ Ballast...

  • Ballast water exchange at sea

    The practical method to minimize the introduction of unwanted organisms from the discharge of ballast water. The...

  • Ballast water exchange standard D1

    Ships performing ballast water exchange shall do so with an efficiency of 95% of ballast water. For ships exchanging...

  • Ballast water management

    Various measures to prevent, minimize and ultimately eliminate the risk of introduction of harmful marine organisms...

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