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  2. Shop drawing - Wikipedia

    en.wikipedia.org/wiki/Shop_drawing

    The shop drawings should include information for the architect and engineer to compare to the specifications and drawings. The shop drawing should address the appearance, performance, and prescriptive descriptions in the specifications and construction drawings. [2]

  3. Centrifugal fan - Wikipedia

    en.wikipedia.org/wiki/Centrifugal_fan

    A centrifugal fan is a mechanical device for moving air or other gases in a direction at an angle to the incoming fluid. Centrifugal fans often contain a ducted housing to direct outgoing air in a specific direction or across a heat sink; such a fan is also called a blower, blower fan, or squirrel-cage fan (because it looks like a hamster wheel).

  4. Mechanical systems drawing - Wikipedia

    en.wikipedia.org/wiki/Mechanical_systems_drawing

    Provide a record of the locations of all the systems and components installed including pumps, fans, valves, strainers, terminals, electrical switchgear, distribution and components. Use a scale not less than that of the installation drawings. Have marked on the drawings the positions of access points for operating and maintenance purposes.

  5. Reboiler - Wikipedia

    en.wikipedia.org/wiki/Reboiler

    Depending on the design, the flow of this liquid may be driven by gravity or require pumping. A retaining wall or overflow weir separates the tube bundle from the reboiler section where the bottoms product is withdrawn, ensuring that the tube bundle remains covered with liquid to reduce the loss of low-boiling compounds.

  6. Ceiling fan - Wikipedia

    en.wikipedia.org/wiki/Ceiling_fan

    A ceiling fan is a fan mounted on the ceiling of a room or space, usually electrically powered, that uses hub-mounted rotating blades to circulate air. They cool people effectively by increasing air speed.

  7. Elevator - Wikipedia

    en.wikipedia.org/wiki/Elevator

    This rheostat (see picture) was enclosed within a cylindrical container about the size and shape of a cake. This was mounted upright or sideways on the cab wall and operated via a projecting handle, which was able to slide around the top half of the cylinder. The elevator motor was located at the top of the shaft or beside the bottom of the shaft.

  8. Cooling tower - Wikipedia

    en.wikipedia.org/wiki/Cooling_tower

    A typical evaporative, forced draft open-loop cooling tower rejecting heat from the condenser water loop of an industrial chiller unit Natural draft wet cooling hyperboloid towers at Didcot Power Station (UK) Forced draft wet cooling towers (height: 34 meters) and natural draft wet cooling tower (height: 122 meters) in Westphalia, Germany Natural draft wet cooling tower in Dresden (Germany)

  9. Fan-beam antenna - Wikipedia

    en.wikipedia.org/wiki/Fan-beam_antenna

    A fan-beam antenna is a directional antenna producing a main beam having a narrow beamwidth in one dimension and a wider beamwidth in the other dimension. This pattern will be achieved by a truncated paraboloid reflector or a circular paraboloid reflector. Since the reflector is narrow in the vertical plane and wide in the horizontal, it ...