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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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06/17/2026
posted in General Discussion
by Ahmad Faraz
I've worked on projects where products passed functional testing during production but still experienced reliability issues later in the field.
In yo...
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06/17/2026
posted in General Discussion
by ShantanuANZ
Shell Distortion — including weld misalignment, angular misalignment, peaking, and general out-of-roundness — creates a condition that clo...
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06/15/2026
posted in Electrical Engineering
by Selk
For a motorized MCCB used as an incomer:
a) The MCCB should be capable of rack-in/rack-out operation with the door closed.
b) The door should not be...
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06/11/2026
posted in General Discussion
by Lehman57
"But while AI excels at delivering "quick-hit" information, it operates within a box: it aggregates and synthesizes what already exists--an echo chamb...
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News for 06/30/2026
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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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