G

75 Results
  • Girder

    A collective term for primary supporting structural members.

  • Gland

    A device for preventing leakage at a machine joint, as where a shaft emerges from a vessel containing a pressurized...

  • Glare

    Glare is the sensation produced by luminance within the visual field that is sufficiently greater than the luminance...

  • Glass crushing

    Crushing for recycling is the sensible procedure for two reasons: incinerated or crushed glass cannot be discharged...

  • Glass reinforced plastic (GRP)

    A combination of thin fibres of glass in various forms which, when mixed with resin cures to produce a hard, strong...

  • Global Positioning System (GPS)

    A satellite-based navigation system operated and maintained by the US Department of Defense. GPS consists of a...

  • Global warming potential (GWP)

    The ratio of the warming caused by a certain substance to the warming caused by a similar mass of carbon dioxide...

  • Globe valve

    A valve with a spherically-shaped body enclosing the valve seat or disc. Liquid flow is arranged from the below...

  • GMDSS (Global Maritime Distress and Safety System)

    An integrated communication system which uses satellite and terrestrial radio communication to ensure that no matter...

  • Gouging

    The removal of metal from a welded seam in order to make a back-run for a butt weld. Gouging is frequently employed...

  • Governor, speed governor

    During normal operation, the engine speed is controlled by a governor which regulates the injected fuel quantity...

  • Grab

    A bulk cargo-handling device consisting of a bucket which is hinged to open and close. It is open when lowered...

  • Grab handling

    Certain types of bulk cargoes may be discharged by means of special grabs. Such grabs are either connected to ship...

  • Grain

    Wheat, maize (corn), oats, rye, barley, rice, pulses, seeds and their processed forms. Grain stows at 1.2 – 2.0m3/t...

  • Grain capacity

    The cubic capacity of a cargo hold measured to the shell plating.

  • Grain hatch

    A small, manually-secured hatch fitted to the hatch cover, used during loading of grain cargoes.

  • Grating

    Light perforated platform or walkway built up of metal bars, used for access to machinery.

  • Gravel

    Small stones, used for making a surface for paths, roads, etc.

  • Gravity drain system

    A piping system in which flow is accomplished solely by the difference between the height of the inlet end and...

  • Gravity welder

    A device consisting of a tripod, one leg of which acts as a rail for a sliding electrode holder. Once positioned...

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