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  2. EgyptAir Flight 667 - Wikipedia

    en.wikipedia.org/wiki/EgyptAir_Flight_667

    The EgyptAir Boeing 777 was parked at gate F7 of Terminal 3 at Cairo airport on 29 July 2011, with preparations underway to operate flight 667. As the last few of the 307 passengers were boarding, the flight crew in the cockpit heard a bang and a hissing sound coming from the right side console, immediately followed by smoke and flames.

  3. Automatic bleeding valve - Wikipedia

    en.wikipedia.org/wiki/Automatic_bleeding_valve

    As these need to operate in any orientation, they use a different mechanism rather than a float. The hygroscopic vent system uses hygroscopic cellulose fibre discs. [7] These are small discs of material that expand when wet and shrink if warm and dry. A dry valve acts as an air vent until a dribble of water passes through it and swells the ...

  4. Electromagnetically induced acoustic noise - Wikipedia

    en.wikipedia.org/wiki/Electromagnetically...

    The hissing of high voltage transmission lines is due to corona discharge, not magnetism. The phenomenon is also called audible magnetic noise, [1] electromagnetic acoustic noise, lamination vibration [2] or electromagnetically induced acoustic noise, [3] or more rarely, electrical noise, [4] or "coil noise

  5. Tap (valve) - Wikipedia

    en.wikipedia.org/wiki/Tap_(valve)

    Bubbles of cool water vapor form and collapse at the restriction, causing the familiar hissing sound. At very low flow settings, the viscosity of the water becomes important and the pressure drop (and hissing noise) vanish; at full flow settings, parasitic drag in the pipes becomes important and the water again becomes silent.

  6. The Hum - Wikipedia

    en.wikipedia.org/wiki/The_Hum

    The Hum is a name often given to widespread reports of a persistent and invasive low-frequency humming, rumbling, or droning noise audible to many but not all people. Hums have been reported all over the world, including the United States, the United Kingdom, Australia and Canada.

  7. Daughter Admits She Used to Throw Plates Away Rather Than ...

    www.aol.com/daughter-admits-she-used-throw...

    Related: Woman No Longer Cooks Husband Dinner After He Refuses to Do Dishes: 'He Can Handle His Own' Later in the video, Sam dropped a big bombshell as she admitted she once faked a health crisis. ...

  8. Duct (flow) - Wikipedia

    en.wikipedia.org/wiki/Duct_(flow)

    A duct system often begins at an air handler. The blowers in the air handler can create substantial vibration, and the large area of the duct system would transmit this noise and vibration to the inhabitants of the building. To avoid this, vibration isolators (flexible sections) are normally inserted into the duct immediately before and after ...

  9. Hiss - Wikipedia

    en.wikipedia.org/wiki/Hiss

    Sibilant, a group of consonants that have a hissing or hushing sound; Tape hiss, high-frequency noise on analogue magnetic tape recordings; The Hiss, a five piece rock band from Atlanta, Georgia; Honda Ignition Security System, a vehicle immobiliser; A sound made by snakes, cats and various other animals as a warning; see list of animal sounds

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