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  2. Sieve analysis - Wikipedia

    en.wikipedia.org/wiki/Sieve_analysis

    A sieve analysis (or gradation test) is a practice or procedure used in geology, civil engineering, [1] and chemical engineering [2] to assess the particle size distribution (also called gradation) of a granular material by allowing the material to pass through a series of sieves of progressively smaller mesh size and weighing the amount of material that is stopped by each sieve as a fraction ...

  3. Rebreather diving - Wikipedia

    en.wikipedia.org/wiki/Rebreather_diving

    The deep sector set-point is chosen to minimise decompression obligation while also maintaining a low risk of oxygen toxicity over the expected dive duration. Values ranging from around 1.4 bar for a short dive to 1.0 bar for a very long dive can be used, with 1.2 to 1.3 bar being a frequent general purpose compromise.

  4. Coil winding technology - Wikipedia

    en.wikipedia.org/wiki/Coil_winding_technology

    Coil winding technology. In electrical engineering, coil winding is the manufacture of electromagnetic coils. Coils are used as components of circuits, and to provide the magnetic field of motors, transformers, and generators, and in the manufacture of loudspeakers and microphones. The shape and dimensions of a winding are designed to fulfill ...

  5. Tow hitch - Wikipedia

    en.wikipedia.org/wiki/Tow_hitch

    A weight-distributing hitch is a "load leveling" hitch. It is a hitch setup mounted on the tow vehicle that uses spring bars and chains under tension to distribute part of the trailer's hitch weight from the towing vehicle's rear axle to the towing vehicle's front axle and to the trailer's axle(s). It can help reduce trailer sway and hop.

  6. Particle-size distribution - Wikipedia

    en.wikipedia.org/wiki/Particle-size_distribution

    t. e. In granulometry, the particle-size distribution (PSD) of a powder, or granular material, or particles dispersed in fluid, is a list of values or a mathematical function that defines the relative amount, typically by mass, of particles present according to size. [1]

  7. Rebar - Wikipedia

    en.wikipedia.org/wiki/Rebar

    Rebar (short for reinforcing bar), known when massed as reinforcing steel or steel reinforcement, [1] is a tension device added to concrete to form reinforced concrete and reinforced masonry structures to strengthen and aid the concrete under tension. Concrete is strong under compression, but has low tensile strength.

  8. Martensite - Wikipedia

    en.wikipedia.org/wiki/Martensite

    Of considerably greater importance than the volume change is the shear strain, which has a magnitude of about 0.26 and which determines the shape of the plates of martensite. [5] Martensite is not shown in the equilibrium phase diagram of the iron-carbon system because it is not an equilibrium phase. Equilibrium phases form by slow cooling ...

  9. Rule of mixtures - Wikipedia

    en.wikipedia.org/wiki/Rule_of_mixtures

    Rule of mixtures. Relation between properties and composition of a compound. The upper and lower bounds on the elastic modulus of a composite material, as predicted by the rule of mixtures. The actual elastic modulus lies between the curves. In materials science, a general rule of mixtures is a weighted mean used to predict various properties ...