enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Hookstown, Pennsylvania - Wikipedia

   en.wikipedia.org/wiki/Hookstown,_Pennsylvania

   Hookstown is located in western Beaver County at (40.598869, −80.474150 [5]Pennsylvania Route 168 runs through the community, leading northeastward 3 miles (5 km) to the Ohio River borough of Shippingport and south 1.5 miles (2.4 km) to U.S. Route 30, the Lincoln Highway.

3. Duct (flow) - Wikipedia

   en.wikipedia.org/wiki/Duct_(flow)

   It is commonly attached with long zip ties or metal band claps. However, the pressure loss is higher than for most other types of ducts. As such, designers and installers attempt to keep their installed lengths (runs) short, e.g. less than 15 feet (5 m) or so, and try to minimize turns. Kinks in flexible ducting must be avoided.

4. Mechanical, electrical, and plumbing - Wikipedia

   en.wikipedia.org/wiki/Mechanical,_electrical...

   Plumbing systems also service air distribution/control, and therefore contribute to the mechanical part of MEP. Plumbing for HVAC systems involves the transfer of coolant, pressurized air, water, and occasionally other substances. Ducting for air transfer may also be consider plumbing, but is generally installed by different tradespeople. [11]

5. Heating, ventilation, and air conditioning - Wikipedia

   en.wikipedia.org/wiki/Heating,_ventilation,_and...

   Rooftop HVAC unit with view of fresh-air intake vent Ventilation duct with outlet diffuser vent. These are installed throughout a building to move air in or out of rooms. In the middle is a damper to open and close the vent to allow more or less air to enter the space. The control circuit in a household HVAC installation.

6. Atmospheric duct - Wikipedia

   en.wikipedia.org/wiki/Atmospheric_duct

   Atmospheric ducting is a mode of propagation of electromagnetic radiation, usually in the lower layers of Earth’s atmosphere, where the waves are bent by atmospheric refraction. [2] In over-the-horizon radar , ducting causes part of the radiated and target-reflection energy of a radar system to be guided over distances far greater than the ...

7. Electrical conduit - Wikipedia

   en.wikipedia.org/wiki/Electrical_conduit

   A duct bank will allow replacement of damaged cables between buildings or additional power and communications circuits to be added, without the expense of re-excavation of a trench. While metal conduit is occasionally used for burial, usually PVC , polyethylene or polystyrene plastics are now used due to lower cost, easier installation, and ...