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The main line, or mainline in American English, of a railway is a track that is used for through trains or is the principal artery of the system [1][2][3] from which branch lines, yards, sidings, and spurs are connected. It generally refers to a route between towns, [4][5] as opposed to a route providing suburban or metro services.
Sep 30, 2017 · The trunk sewer is the sewer line that receives wastewater flow from the collector sewer and conveys this wastewater either to an intercepting sewer or a treatment plant. The trunk sewer forms a significant part of a sewer network in large population or industrial centers. Small diameter pipes, also known as lateral sewers, carry wastewater ...
Notice how the trunk runs from a public Exchange or Central Office (CO) to a Private Branch Exchange (PBX). In other words, a trunk goes from switching system to switching system (CO to PBX, CO to CO or PBX to PBX). The Line runs from a switching system and dead ends on a telephone. This is the basic difference between a line and a trunk. The ...
Trunk line = the water main supplying services branches. Transmission line = water main without service branches. Reply. just_an_ordinary_guy. • 9 yr. ago • Edited 9 yr. ago. IIRC, a transmission line can have branches. I've always thought of the transmission lines as being your large mains running from the treatment plants and storage tanks.
Aug 31, 2017 · An interceptor sewer is a major sewer line that receives flows from trunk sewer lines, and sometimes, stormwater drainage systems. This combined flow is then directed to a wastewater treatment facility or another interceptor. In a typical sewer system, sewage first flows from domestic buildings via relatively small pipelines known as laterals.
Oct 10, 2018 · Transmission Lines. Natural gas moves from a gathering system to a transmission system, which transports gas long distances. The diameter of these pipes typically ranges from 6 to 48 inches and is pressurized to between 200 and 1,500 pounds per square inch (psi), depending on the production method. These high pressures are needed to move the ...
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Why are the tracks between two towns called trunk lines?
The meaning of TRUNK LINE is a transportation system (such as an airline, railroad, or highway) handling long-distance through traffic.
