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  2. MIL-STD-810 - Wikipedia

    en.wikipedia.org/wiki/MIL-STD-810

    MIL-STD-810 addresses a broad range of environmental conditions that include: low pressure for altitude testing; exposure to high and low temperatures plus temperature shock (both operating and in storage); rain (including wind blown and freezing rain); humidity, fungus, salt fog for corrosion testing; sand and dust exposure; explosive atmosphere; leakage; acceleration; shock and transport ...

  3. List of United States nuclear weapons tests - Wikipedia

    en.wikipedia.org/wiki/List_of_United_States...

    Test with "energy budget". Competition between UCRL and LASL over budget allocation was high. Project 57: 1957 1: 1: 1: 0 0: The first safety test, asking whether an improperly ignited bomb (as in a plane crash) would cause a nuclear blast. Plumbbob: 1957 29: 29: 25: 0 to 74 345: Included the largest atmospheric test in CONUS. Project 58+58A ...

  4. ATEX directives - Wikipedia

    en.wikipedia.org/wiki/ATEX_directives

    Regarding ATEX 99/92/EC Directive, the requirement is that Employers must classify areas where potentially explosive atmospheres may occur, into zones. The classification given to a particular zone, and its size and location, depends on the likelihood of an explosive atmosphere occurring and its persistence if it does.

  5. High-altitude nuclear explosion - Wikipedia

    en.wikipedia.org/wiki/High-altitude_nuclear...

    Hardtack Teak, 1958 Frame of the Starfish Prime nuclear test. High-altitude nuclear explosions are the result of nuclear weapons testing within the upper layers of the Earth's atmosphere and in outer space. Several such tests were performed at high altitudes by the United States and the Soviet Union between 1958 and 1962.

  6. List of nuclear weapons tests - Wikipedia

    en.wikipedia.org/wiki/List_of_nuclear_weapons_tests

    Test of the T-5 torpedo on September 21, 1955 at Novaya Zemlya. Test of the T-5 torpedo on October 10, 1957 at Novaya Zemlya. Test of the T-5 torpedo on October 23, 1961 at Novaya Zemlya. The People's Republic of China conducted CHIC-4 with a Dongfeng-2 rocket launch on October 25, 1966. The warhead exploded with a yield of 12 kt.

  7. Category:Exoatmospheric nuclear weapons testing - Wikipedia

    en.wikipedia.org/wiki/Category:Exoatmospheric...

    The outer limit of Earth's atmosphere is generally acknowledged to be the Kármán line, at roughly 100 km. Pages in category "Exoatmospheric nuclear weapons testing" The following 9 pages are in this category, out of 9 total.

  8. Electrical equipment in hazardous areas - Wikipedia

    en.wikipedia.org/wiki/Electrical_equipment_in...

    A light switch may cause a small, harmless spark when switched on or off. In an ordinary household this is of no concern, but if a flammable atmosphere is present, the arc might start an explosion. In many industrial, commercial, and scientific settings, the presence of such an atmosphere is a common, or at least commonly possible, occurrence.

  9. Nuclear weapons testing - Wikipedia

    en.wikipedia.org/wiki/Nuclear_weapons_testing

    Exoatmospheric testing is conducted above the atmosphere. The test devices are lifted on rockets. The test devices are lifted on rockets. These high-altitude nuclear explosions can generate a nuclear electromagnetic pulse (NEMP) when they occur in the ionosphere , and charged particles resulting from the blast can cross hemispheres following ...