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06/03/2026 10:54 AM Miniature Circuit Breakers (MCB)
by Selk
Last post: 09/13/2026 4:16 PM
by PWSlack
 3 505
11/25/2015 2:25 PM Braking Calculation for Go-Kart
by himankambashta
Last post: 07/18/2025 10:55 PM
by dornrobin
 30 5604
10/09/2013 2:53 AM Design Of AC Current Injection
by enasfarah
Last post: 09/17/2024 10:29 AM
by PWSlack
 30 6008
11/09/2009 3:15 PM Removing Plastic Liners from Aluminum Soda Cans
by Anonymous Poster
Last post: 01/09/2024 6:55 AM
by SolarEagle
 35 8996
12/05/2009 8:11 AM Boiler Air / Gas Ratio
by arulmurugan
Last post: 12/15/2023 4:54 AM
by PWSlack
 8 6791
12/04/2009 9:04 AM Pressure Gauges and Hydrotesting
by Anonymous Poster
Last post: 12/15/2023 4:51 AM
by PWSlack
 5 201
12/03/2009 7:35 PM Calculating Engine Power Outputs
by gareth01422
Last post: 12/15/2023 4:47 AM
by PWSlack
 24 955
03/10/2018 5:27 PM Falling Film Evaporator Design
by omer4372
Last post: 12/15/2023 4:38 AM
by PWSlack
 5 505
09/03/2023 9:49 AM Suggestion Sought on Liquid Ring Vacuum Pump/Compressor
by yesyen
Last post: 09/06/2023 1:34 PM
by rwilliams
 9 981
08/27/2020 8:39 AM Seeking "Right" Formula for Heat Dissipation.
by Wally89
Last post: 06/01/2023 7:17 AM
by PWSlack
 35 2710
05/31/2020 3:45 AM Man Hours Estimation
by dhanesh08
Last post: 05/09/2023 2:56 AM
by PWSlack
 4 1806
05/07/2023 12:40 PM Door Testing Furnace for Fire proof ness
by arunavamukerji
Last post: 05/07/2023 7:47 PM
by Doorman
 2 113
04/03/2020 9:08 AM Calculate the Velocity of Gas
by 4394272369 ; also posted in Manufacturing
Last post: 05/16/2022 6:56 AM
by HiTekRedNek
 17 2104
02/26/2016 3:40 AM Student Project
by Rohit_1995 ; also posted in New Technologies & Research
Last post: 11/17/2020 10:43 AM
by DaveFoster
 36 4363
12/15/2019 1:46 PM Assist HS Student with Circuit Board Layout Engineering?
by micahd02
Last post: 10/20/2020 4:08 AM
by ImogenCampbell
 10 3005
04/29/2020 6:33 PM What Does the Lorentz Force Depend on?
by Jerinsam
Last post: 05/01/2020 6:49 AM
by HiTekRedNek
 12 509
03/13/2017 5:32 AM Fish Scaling Angle
by Jeffrey Aaron
Last post: 04/18/2020 8:34 AM
by Randall
 14 884
01/20/2020 5:38 AM Range and Approach for Evaporative Condenser
by maverick_friend
Last post: 01/21/2020 12:08 AM
by simonsd
 4 394
12/02/2007 2:26 AM Simple Optical Design
by Anonymous Poster
Last post: 01/13/2020 6:26 AM
by wc1offices
 5 423
03/23/2015 5:17 PM Project - Better Aftermarket Parking Sensors
by TheNebraskaNatives
Last post: 12/18/2019 6:02 PM
by MrDynamite
 26 649
10/02/2019 6:59 PM Electrostatic Separator
by athmio
Last post: 10/20/2019 4:04 PM
by crackapk
 9 554
08/03/2019 12:39 AM Working on Fast Electrical Pulse Discharges 15kV 100A 10us Pulses at 10Hz
by Shyam
Last post: 09/23/2019 8:42 AM
by Shyam
 9 201
09/05/2019 8:20 AM Matlab Question
by Anonymous Poster
Last post: 09/06/2019 3:54 AM
by PWSlack
 10 226
08/31/2019 10:25 PM Choosing Best 10k Potentiometer
by kurtbusted
Last post: 09/04/2019 3:10 PM
by Calnet42
 9 540
08/12/2019 2:29 AM Pipeline Elastic Bend Angle Calculation
by pml825
Last post: 08/16/2019 8:41 AM
by user-deleted-1105
 15 862
10/28/2010 9:54 AM EMTP/ATP Software
by babe
Last post: 08/09/2019 1:39 AM
by Shawkat
 22 1872
07/14/2019 4:08 PM Will Helium Leak Through Hard Plastic?
by TB24
Last post: 07/30/2019 2:38 AM
by IdeaSmith
 41 1091
07/23/2019 3:47 AM Looking For Most Reliable and Professional Cargo Services
by Anonymous Poster
Last post: 07/23/2019 8:24 AM
by JE in Chicago
 2 80
07/12/2019 8:36 AM Using a Ceramic Hearth Plate for a 1200 C Chamber Furnace
by arunavamukerji
Last post: 07/13/2019 6:00 AM
by jhhassociates
 2 176
02/28/2015 2:32 PM Student Project on Street Lighting ystem
by Juma Ganiyu
Last post: 07/03/2019 11:48 AM
by JordanVennard
 13 367
05/28/2019 6:13 PM Positive Displacement Pump Flow While Off
by Anonymous Poster
Last post: 06/03/2019 7:23 AM
by PWSlack
 15 583
11/04/2018 2:29 AM Boost Circuit for Wi-Fi Module Digital Output
by pgola4u
Last post: 03/26/2019 1:28 PM
by Carl Van Wormer
 13 727
03/25/2019 7:26 PM Engineering Project
by Dyl-29
Last post: 03/26/2019 9:49 AM
by BestInShow
 4 335
10/31/2018 1:23 PM The Original Digital Display
by Doorman
Last post: 11/02/2018 12:33 PM
by Doorman
 9 366
10/01/2018 10:45 AM Coefficient of Performance
by maverick_friend
Last post: 10/04/2018 12:51 PM
by Rixter
 5 402
08/09/2018 3:24 AM Enthalpy of Air of Cooling Tower
by maverick_friend
Last post: 09/07/2018 3:25 PM
by Codemaster
 12 315
09/01/2018 12:58 PM Transmission Oil Pump
by Louis Fiddes
Last post: 09/02/2018 12:12 PM
by SolarEagle
 5 343
07/30/2018 12:02 PM What Calculations are Possible with Below Specs when Selecting a MV Softstarter
by Anonymous Poster
Last post: 07/31/2018 11:44 PM
by rwilliams
 5 251
07/21/2018 12:36 PM Chemical Engineering Costing
by Krissssy
Last post: 07/27/2018 12:54 AM
by Casper71
 11 535
05/14/2018 8:34 AM Read DC Meter Coil Readings in 4-20 mA
by Anonymous Poster
Last post: 07/24/2018 1:55 PM
by Carl_E
 2 328
11/12/2017 9:55 AM Design, Making Multitask Power Supply to Check Car's Electric Equipment
by Phuc Nguyen
Last post: 04/05/2018 8:58 AM
by CW
 21 485
03/07/2018 11:22 AM Using Compressed Air From a Balloon to Turn an Axle With Torque
by toddo1225
Last post: 03/11/2018 6:45 PM
by toddo1225
 31 916
03/05/2018 10:00 PM Automation/Mechanical Engineering Projects for Undergraduates
by Samsholly
Last post: 03/09/2018 2:15 PM
by MR. Guest
 9 268
02/05/2018 11:26 PM Signal Processing Mini Project Ideas Using Matlab
by Anonymous Poster
Last post: 02/05/2018 11:29 PM
by SolarEagle
 1 163
12/07/2017 2:45 AM Hydraulic Actuators
by livingstonax
Last post: 12/13/2017 12:15 PM
by jhhassociates
 23 398
11/22/2017 8:30 AM Engineering Survey For Product Creation
by EOH
Last post: 12/04/2017 1:32 PM
by James Stewart
 26 350
11/29/2017 4:33 AM 220VAC to Variable DC Voltage (3.3-100DCV) Transformer
by Phuc Nguyen
Last post: 12/01/2017 11:19 AM
by Jpfalt
 17 678
03/06/2017 2:15 AM Pipe and Tube
by pursothaman
Last post: 11/30/2017 5:21 PM
by TWISTEMSDAVE
 2 194
10/29/2017 2:33 AM Electrical/Electronics Engineering Interview - School Project!
by Reitman82
Last post: 11/08/2017 8:20 PM
by Reitman82
 4 227
08/25/2017 2:43 PM Liquid Density and Tank Leakage
by kunal31
Last post: 10/30/2017 7:22 AM
by PWSlack
 17 498
08/22/2017 11:33 PM Liquid and Tank
by kunal31
Last post: 08/25/2017 4:20 PM
by James Stewart
 30 438
08/05/2017 4:11 PM Tutorial Material for High School Robotics Program
by Jafried
Last post: 08/07/2017 9:03 AM
by Ivanov327950
 15 641
07/17/2017 2:26 AM Beckhoff PLC and Twin-Cat
by Anonymous Poster
Last post: 07/17/2017 1:33 PM
by James Stewart
 5 384
03/14/2017 6:18 AM Torque Needed By Auger Drill
by Siva prakash
Last post: 03/16/2017 2:03 PM
by IQ
 34 1620
03/14/2017 6:06 AM Fish Descaling
by Jeffrey Aaron
Last post: 03/15/2017 4:06 PM
by IQ
 13 327
03/13/2017 2:17 PM Torque Needed to Remove Fish Scales
by Jeffrey Aaron
Last post: 03/14/2017 4:03 PM
by Jpfalt
 29 403
03/06/2017 2:26 AM NACE
by pursothaman
Last post: 03/07/2017 11:54 AM
by ndt-tom
 6 388
03/06/2017 1:07 AM Pipe and Tube
by pursothaman
Last post: 03/07/2017 11:42 AM
by ndt-tom
 4 346
03/03/2017 8:20 PM Magnetic Resonance Power Source and Receiver
by EngineerTechStudent
Last post: 03/05/2017 1:19 PM
by Carl Van Wormer
 4 294
02/16/2017 3:30 AM Water Column
by pursothaman
Last post: 02/17/2017 3:22 PM
by setlock77
 11 459
02/16/2017 1:38 AM Regarding Test
by pursothaman
Last post: 02/17/2017 4:42 AM
by IQ
 7 267
01/29/2017 9:36 PM Specifications of the Motor Required to Operate a Blower of Dia 2m
by knckwatra
Last post: 01/31/2017 10:36 PM
by tonyhemet
 9 452
01/20/2017 2:04 PM Engineering Project
by RijaAhmed
Last post: 01/30/2017 3:48 AM
by PWSlack
 9 274
01/16/2017 2:49 AM Freon Gas or Ammonia
by dhayanandhan
Last post: 01/18/2017 5:05 AM
by Just an Engineer
 26 625
12/24/2016 8:51 PM Electrical Engineering Project
by Balaram
Last post: 12/29/2016 4:22 PM
by James Stewart
 18 561
12/17/2016 5:49 PM College Project
by jinty
Last post: 12/24/2016 11:30 PM
by gutmonarch
 50 832
12/12/2016 4:39 AM Sheet Metal Working Advice
by prof peanut
Last post: 12/17/2016 10:40 PM
by jhhassociates
 31 586
11/20/2016 5:06 AM Marvelous Cube: Balance, Jump,....
by Anonymous Poster
Last post: 11/22/2016 8:55 AM
by James Stewart
 5 541
11/04/2016 12:24 PM Shock Absorbers - Calculation Of the Amount of Gas
by pietrucha715
Last post: 11/05/2016 2:20 PM
by PWSlack
 6 558
10/30/2016 2:55 PM Controlling Actuators
by JackA7X
Last post: 11/02/2016 5:44 AM
by JohnDG
 15 385
10/09/2016 12:43 PM School Project Requires Creative Solutions
by JCal98
Last post: 10/31/2016 1:06 PM
by MR. Guest
 34 463
10/18/2016 11:01 AM Automatic Plant Watering System
by JDB
Last post: 10/19/2016 6:07 PM
by Brave Sir Robin
 11 603
09/20/2016 1:03 AM Class 3000 Threaded Fittings Pressure Rating
by Kumar.Rathinam
Last post: 09/20/2016 3:51 PM
by James Stewart
 8 2359
09/02/2016 11:12 AM Data Science
by Huzaifsandroo
Last post: 09/03/2016 12:43 AM
by SolarEagle
 13 352
08/16/2016 9:50 PM Screw Conveyor Advice Required
by Anonymous Poster
Last post: 08/18/2016 3:46 PM
by rwilliams
 11 680
08/14/2016 6:08 PM Mechanical Engineering Studies Help Required
by annekel
Last post: 08/16/2016 11:40 PM
by Autobroker
 11 588
08/01/2016 11:58 PM Project Development
by Huzaifsandroo
Last post: 08/10/2016 2:30 AM
by Autobroker
 20 488
08/01/2016 9:52 AM Project Development Help
by Huzaifsandroo
Last post: 08/08/2016 9:33 AM
by James Stewart
 36 415
07/05/2016 6:13 AM Ferromagnetic Ball in Cone
by Anonymous Poster
Last post: 07/06/2016 9:07 AM
by Rixter
 6 674
06/17/2016 7:52 PM Odd Copter
by Mr. small
Last post: 06/19/2016 2:19 PM
by phoenix911
 14 757
06/15/2016 9:13 AM Type of Spray Used in Oil & Gas Industry
by Dler
Last post: 06/17/2016 12:45 AM
by IdeaSmith
 10 634
06/14/2016 4:24 PM Gear Box Designing
by Manuel.Dad
Last post: 06/15/2016 1:33 PM
by lyn
 19 975
06/10/2016 4:26 PM What Are the Kids Working On...?
by SolarEagle
Last post: 06/13/2016 6:05 AM
by Mr. small
 1 903
05/29/2016 3:43 PM I Have Some Questions About Building a Rubber Band Car for School
by CanadianCyanide
Last post: 06/10/2016 6:17 AM
by Andy Germany
 68 4376
02/28/2016 11:40 AM Need Guidance for a Project
by karthick1996
Last post: 03/01/2016 1:22 PM
by karthick1996
 9 377
02/29/2016 11:59 AM Portable Wind Turbine
by PhoenixBath
Last post: 02/29/2016 3:51 PM
by lyn
 6 283
02/28/2016 3:51 PM Design and Fabrication of Turbocharger for 4 Stroke S.I. Engine in Two Wheeler
by Butler9999
Last post: 02/28/2016 5:40 PM
by lyn
 3 359
02/08/2011 1:27 PM Helium Lifting Power with PSI
by Anonymous Poster
Last post: 02/26/2016 11:35 AM
by Dr. Brown
 74 865
01/23/2016 1:34 PM Mechanical Engineering Project
by Sameer0903
Last post: 02/22/2016 4:42 AM
by PWSlack
 47 600
07/02/2015 2:48 AM Estimate Nitrogen for Purging Pipe Lines
by sssgani1989
Last post: 02/14/2016 7:15 PM
by christopherchoa
 42 4736
01/16/2016 6:47 PM I Need Advice For My Grad Degree / Master Program
by yigitalp
Last post: 02/06/2016 6:03 AM
by OPENMIMNDZ
 20 524
01/17/2016 9:05 PM Engineering Student, Connecting w/ Engineering Community
by PCStudent
Last post: 01/18/2016 1:11 PM
by lyn
 6 290
10/25/2015 11:16 PM Sand Blasting
by Fathil
Last post: 11/25/2015 3:10 PM
by greasy
 6 511
12/13/2011 3:40 AM Cable Size Calculation
by sskumaran
Last post: 11/18/2015 10:14 AM
by Schipolkky2211
 3 192
10/17/2015 5:49 PM Calculate Air Speed
by KA10900
Last post: 10/25/2015 7:19 PM
by JAlberts
 39 663
10/12/2015 12:20 PM Researching on International Collaborative Technology Development
by Shyam ; also posted in New Technologies & Research
Last post: 10/18/2015 7:26 AM
by Shyam
 10 450
09/30/2015 9:30 AM Pump Load
by yoursbobby321
Last post: 10/02/2015 4:18 PM
by SHOCKHISCAN
 21 471
09/27/2015 8:11 PM Advice and Build Help for Single Wheel Electric Bike
by allystar_green
Last post: 10/02/2015 4:57 AM
by Hilton
 34 543
09/23/2015 5:02 AM Pumping Water to Different Heights
by roshanrrd
Last post: 09/24/2015 3:29 PM
by reward54
 14 607
09/13/2015 10:18 PM Most Attractive Profession
by pnaban
Last post: 09/23/2015 11:34 PM
by pnaban
 16 480
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