When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Functional requirement - Wikipedia

    en.wikipedia.org/wiki/Functional_requirement

    Functional requirements are supported by non-functional requirements (also known as "quality requirements"), which impose constraints on the design or implementation (such as performance requirements, security, or reliability). Generally, functional requirements are expressed in the form "system must do <requirement>," while non-functional ...

  3. Air gap (plumbing) - Wikipedia

    en.wikipedia.org/wiki/Air_gap_(plumbing)

    According to the International Residential Code 2003, an air gap length must meet the requirements of being two times the effective inner diameter of the pipe (2×D) in order to be sufficient. [2] A standard widely use in the United States is: A112.1.2 Air Gaps in Plumbing Systems (For Plumbing Fixtures and Water-Connected Receptors)

  4. List of CEN technical committees - Wikipedia

    en.wikipedia.org/wiki/List_of_CEN_technical...

    Domestic appliances used for water treatment not connected to water supply: 20.06.2013: Active CEN/TC 427: Services of Medical Doctors with additional qualification in Homeopathy: 07.08.2013: Active CEN/TC 428: e-competences and ICT Professionalism: 28.08.2013: Active CEN/TC 429: Food hygiene - Commercial warewashing machines - Hygiene ...

  5. Piping and plumbing fitting - Wikipedia

    en.wikipedia.org/wiki/Piping_and_plumbing_fitting

    This fitting (also known as a "bungalow fitting" or a "cottage fitting") is a sanitary tee that allows two trap arms to be connected at the same level. A toilet is the main connection, with the option of a right or left-hand outlet to the 3" inlet with a choice of 1-1/2" or 2" in size.

  6. Plumbing - Wikipedia

    en.wikipedia.org/wiki/Plumbing

    The updates include changed to the minimum experience and training requirements for licensing, additional work standards for new and more specific kinds of plumbing, as well as adopting the Plumbing Code of Australia into state regulations in an effort to standardise plumbing regulations across the country.

  7. American Standard Companies - Wikipedia

    en.wikipedia.org/wiki/American_Standard_Companies

    American Standard Companies Inc. was a manufacturer of heating, ventilation, and air conditioning (HVAC) systems, plumbing fixtures, and automotive parts.The company was formed in 1929 through the merger of the American Radiator Company and Standard Sanitary Manufacturing Company forming the American Radiator and Standard Sanitary Corporation.

  8. Sanitary engineering - Wikipedia

    en.wikipedia.org/wiki/Sanitary_engineering

    An example of a wastewater treatment system. Sanitary engineering, also known as public health engineering or wastewater engineering, is the application of engineering methods to improve sanitation of human communities, primarily by providing the removal and disposal of human waste, and in addition to the supply of safe potable water.

  9. Functional testing - Wikipedia

    en.wikipedia.org/wiki/Functional_testing

    Functional testing verifies a program by checking it against design document(s) or specification(s), while acceptance testing validates a program by checking it against the published user or system requirements. [4] As a form of system testing, functional testing tests slices of functionality of the whole system. Despite similar naming ...