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07/15/2026
posted in General Discussion
by Screedie
A large proportion of the piping systems I have viewed recently have ambient temperature as the max thermal condition.
Considering the recent severe...
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07/13/2026
posted in Electrical Engineering
by Rockraiden21
good day everyone, it's been quite a long time since i got back here. i ask apologies from the active members and masters here. anyways the question a...
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07/08/2026
posted in General Discussion
by gbcengineers
A PUE below 1.2 is possible, but I would be careful about treating it as a target that can be achieved simply by selecting more efficient cooling equi...
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07/03/2026
posted in Aerospace
by Reino Eskelinen
Is it possible to estimate or to get input for stress calculation for instance in exhaust system during it's resonance behaviour. Then you have to cre...
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07/01/2026
posted in General Discussion
by ShantanuANZ
General metal loss (GML) is the most frequently encountered damage mode in piping and pressure vessel inspection programmes. API 579-1 Part 4 provides...
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07/01/2026
posted in General Discussion
by kailashmittal
I learned that the operating environment, surface finish, mechanical loading, and maintenance can affect how quickly a material wears or corrodes. Nev...
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06/29/2026
posted in Electrical Engineering
by Anonymous Poster
HV Switchgear (IEC 62271-1, 62271-200): The size of the internal earth bus (the bar running through the entire switchgear lineup) differs from the siz...
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06/23/2026
posted in Electrical Engineering
by REH
I have an electromagnetic flowmeter that has an active pulse output per unit flow.(High Level= 5-15vdc max 250 mA, low level <1vdc). My chemical me...
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06/23/2026
posted in Manufacturing
by Judith
Porosity remains one of the most common quality issues in aluminum high pressure die casting (HPDC). It can reduce mechanical strength, create leakage...
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06/23/2026
posted in General Discussion
by kailashmittal
In pressure vessel and heat exchanger service, material selection for elevated-temperature operation must account for more than basic strength values....
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06/22/2026
posted in Electrical Engineering
by DE ENG
Hi everyone, I have an Allen-Bradley SLC 5/03 PLC. Can anyone confirm the correct software needed? If someone has experience with this PLC, please gui...
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06/19/2026
posted in General Discussion
by yifan
I’m from China. I’d like to hear everyone’s thoughts on the applications and future trends of carbon fiber materials, and I hope we...
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News for 07/13/2026
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06/30/2026
posted in Challenge Questions
Your friend makes a $250 bet with you.
He will pick a number between 1 and 1,000. If you can guess this number in 10 or less questions or guesses, yo...
06/30/2026
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05/31/2026
posted in Challenge Questions
Scenario
You are the on-call engineer for a hydrogen compressor skid. The control system has five sensors arranged in a serial telemetry chain. Each...
05/31/2026
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04/30/2026
posted in Challenge Questions
My watch is 1 second slow.
Your watch is 1.5 seconds fast.
We both agree to stand here until the show the same time again (12 hr clock)
Question 1:...
04/30/2026
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