Engineering lingo: Abbreviations you should know
Engineering lingo: Abbreviations you should know
We had earlier talked about the lingo used by engineering students and in this article we will be sharing some abbreviations which every engineer must definitely know.
| Abbreviation |
Meaning |
| A |
Ampere |
| AC |
Alternating Current |
| A/C |
Air Conditioning |
| AFL |
Above Floor Level or Above Finished Level |
| AG |
Agricultural Pipe Drain |
| AGL |
Above Ground Level |
| AHU |
Air Handler Unit |
| APPROX |
Approximately |
| ECN or ECR |
Engineering Change Note, Engineering Change Request |
| EQ |
Equal |
| EQUIP |
Equipment |
| EW |
Each Way |
| EWB |
Electric Water Boiler |
| FL |
Floor Level |
| FOC |
Fibre Optic Cable |
| FS |
Far Side |
| FSBL |
Full Strength Butt Weld |
| FTG |
Footing |
| FTP |
Fibre Termination Panel (fibre optical cable) |
| FW |
Fillet Weld |
| GIS |
Graphic Information System |
| WP |
Water Proof or Work Point |
| CIM |
Computer integrated manufacturing |
| CAM |
Comptuer aided manufacturing |
| CADD |
Computer aided drafting & design |
| AGV |
Automated guidance vehicle |
| SPC |
Statistical process control |
| FMS |
Flexible manufacturing system |
| SAE |
Society of automotive engineers |
| JIT |
Just in time |
| MAN |
Material as needed |
| AI |
Artificial intelligence |
| AMT |
Advanced manufacturing techniques |
| CAE |
Computer aided engineering |
| CNC |
Computer numerical control |
| TQM |
Total quality management |
| QFD |
Quality function deployment |
| PDS |
Product design specifications |
| TRIZ |
Theory of inventive problem solving |
| DFM |
Design for manufacturing |
| ERP |
Enterprise resource planning |
| MRP I |
Material requirements planning |
| MRP II |
Manufacturing resource planning |
| MPS |
Master production schedule |
| RCRP |
Rough cut resource planning |
| ANSI |
American national standards institute |
| SME |
Society of manufacturing engineers |
| AB |
As Built |
| BRP |
Business requirement planning |
| MPP |
Manufacturing planning process |
| ASRS |
Automatic storage retrieval system |
| TPM |
Total preventive maintenance |
| TIM |
Technical information management |
| TDM |
Technical data management |
| PIM |
Product information management |
| EDM |
Engineering data management |
| CM |
Configuration management |
| PDM |
Product data management |
| HOR or HORIZ |
Horizontal |
| WD |
Working Drawing |
| WC |
Water Closet (toilet) |
| WC |
Welded Column (steel) |
| WB |
Welded Beam (steel) |
| WAN |
Wide Area Network |
| VER or VERT |
Vertical |
| VA |
Value Analysis |
| UON or UNO |
Unless Otherwise Noted or Unless Noted Otherwise |
| UC |
Universal Column (steel) |
| UB |
Universal Beam (steel) |
| UA |
Unequal Angle (steel) |
| TO or T.O. or T.OFF |
Top Off |
| THK- |
Thick |
| HP |
High Pressure |
| PL |
Plate |
| PT |
Pressure Tapping |
| QC |
Quality Control |
| QTY |
Quantity |
| R or RAD |
Radius or radial |
| RAS |
Reliability, Availability and Serviceability |
| TFC |
Taper Flange Channel |
| TEMP |
Temperature |
| TB |
Tie Beam |
| SSL |
Structural Slab Level |
| SL |
Structural Level |
| SS or S/S |
Stainless Steel |
| SQ |
Square |
| SIM |
Similar |
| SHS |
Square Hollow Section |
| SF |
Strip Footing |
| SDU |
Sanitary Disposal Unit |
| SAN |
Sanitary |
| RL |
Reduced Level or Relative Level |
| RHS |
Rectangular Hollow Section |
| RH |
Right Hand |
| RFQ |
Request for Quote |
| REV |
Revision |
| REQ'D |
Required |
| REINF |
Reinforcement |
| REF |
Reference |
| PFC |
Parallel Flange Channel |
| IO |
Inspection Opening |
| kHz |
Kilohertz |
| KJ |
Key Joint |
| KWh |
Kilo Watt Hour (metre) |
| L |
Steel Angle |
| LAN |
Local Area Network |
| LGX |
Line Group Cross (Connector, fibre optical cable) |
| LH |
Left Hand |
| LPG |
Liquid Petroleum Gas |
| M |
Metres (English) or Meters |
| MAX |
Maximum |
| PCD |
Pitch Circle Diameter |
| OPT |
Optional |
| OD |
Outside Diameter |
| NC |
Numerical Control |
| NTS |
Not To Scale |
| NSOP |
Not Shown On Plan |
| NS |
Near Side |
| NPR |
New Product Release |
| NOM |
Nominal |
| No. |
Number |
| NET |
Network |
| MS |
Mild Steel |
| MRP |
Material Requirements Planning |
| MM |
Millimetres |
| MJ |
Movement Joint |
| MISC |
Miscellaneous |
| MIN |
Minimum |
| MHz |
Megahertz |
| MFR |
Manufacturer |
| MDF |
Main Distribution Frame (Telecommunications) |
| BT |
Bath Tub or Boundary Trap |
| BTM |
Bottom |
| CAD |
Computer Aided Design |
| CL |
Center Line |
| CHS |
Circular Hollow Section |
| CFW |
Continuous Fillet Weld |
| CCTV |
Closed Circuit Television |
| CLG |
Control Joint |
| ECN or ECR |
Engineering Change Note |
| ELEC |
Electrical |
| DWG |
Drawing |
| DP |
Down Pipe |
| DN |
Diameter Nominal |
| CTRS |
Centers |
| CTRL |
Control |
| CT |
Controller |
| CTR |
Center |
| CONT |
Continuous |
| CONN |
Connection |
| COMMS |
Communications |
| COL |
Column |
| CNJ |
Construction Joint |
| CMU |
Cement Masonry Unit |
| CLR |
Clearance |
| CLG |
Control Joint |