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  2. Compression ratio - Wikipedia

    en.wikipedia.org/wiki/Compression_ratio

    It is therefore calculated by the formula [10] = + where is the displacement volume. This is the volume inside the cylinder displaced by the piston from the beginning of the compression stroke to the end of the stroke. is the clearance volume. This is the volume of the space in the cylinder left at the end of the compression stroke.

  3. Diving cylinder - Wikipedia

    en.wikipedia.org/wiki/Diving_cylinder

    An especially common rental cylinder provided at tropical dive resorts is the "aluminium-S80" which is an aluminum cylinder design with an internal volume of 0.39 cubic feet (11.0 L) rated to hold a nominal volume of 80 cubic feet (2,300 L) of atmospheric pressure gas at its rated working pressure of 3,000 pounds per square inch (207 bar). [9]

  4. VO2 max - Wikipedia

    en.wikipedia.org/wiki/VO2_max

    V̇O 2 max (also maximal oxygen consumption, maximal oxygen uptake or maximal aerobic capacity) is the maximum rate of oxygen consumption attainable during physical exertion. [1] [2] The name is derived from three abbreviations: "V̇" for volume (the dot over the V indicates "per unit of time" in Newton's notation), "O 2" for oxygen, and "max" for maximum and usually normalized per kilogram of ...

  5. Orders of magnitude (area) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(area)

    Surface area of a Dyson sphere with a radius of 1 AU 10 24: 1 yotta square meter (m 2) 1 square terametre (Tm 2) 1.9 Tm 2: Area swept by Jupiter's orbit around the Sun 6.4 Tm 2: Area swept by Saturn's orbit around the Sun 8.5 Tm 2: Surface area of the red supergiant star Betelgeuse: 10 25 24 Tm 2: Surface area of the hypergiant star VY Canis ...

  6. Polyhedron - Wikipedia

    en.wikipedia.org/wiki/Polyhedron

    The surface area of a polyhedron is the sum of areas of its faces, for definitions of polyhedra for which the area of a face is well-defined. The geodesic distance between any two points on the surface of a polyhedron measures the length of the shortest curve that connects the two points, remaining within the surface.

  7. Decompression practice - Wikipedia

    en.wikipedia.org/wiki/Decompression_practice

    The surface interval (SI) or surface interval time (SIT) is the time spent by a diver at surface pressure after a dive during which inert gas which was still present at the end of the dive is further eliminated from the tissues. [6] This continues until the tissues are at equilibrium with the surface pressures. This may take several hours.

  8. Fairchild Republic A-10 Thunderbolt II - Wikipedia

    en.wikipedia.org/wiki/Fairchild_Republic_A-10...

    A-10C combat exercise at Nevada Test & Training Ground against hard targets. The A-10's primary built-in weapon is the 30×173 mm GAU-8/A Avenger autocannon. One of the most powerful aircraft cannons ever flown, the GAU-8 is a hydraulically driven seven-barrel rotary cannon designed for the anti-tank role with a high rate of fire.

  9. Mercedes-Benz Vito - Wikipedia

    en.wikipedia.org/wiki/Mercedes-Benz_Vito

    The Vito was launched in China in April 2010. Engine choices consisted of the 2.1 litre OM646 turbo diesel four-cylinder, the 2.5 litre M272 diesel V6 and the 3 litre diesel V6 which also uses the M272 name. A 6 speed manual gearbox is standard for four cylinder diesel variants while V6 diesel variants are equipped to a 5 speed automatic gearbox.