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11/05/2026
posted in Mechanical Engineering
by Billalex54
Hi to all,
Based on the table below, is the pressure drop across a ball valve or a gate valve greater than that across a globe valve?
My question is...
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11/05/2026
posted in Communications & Electronics
by fraisework
we often meet such issues about hole near the bending line, our engineer made the drawings and sending it to me for getting production to the factory,...
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11/05/2026
posted in General Discussion
by fraisework
Quick answer
Choosing a sheet metal bend radius starts with the material grade and condition, thickness, tooling, and finished-part requirements. Spe...
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10/31/2026
posted in BioMech & BioMed
by Anonymous Poster
Hi,
for transfer of high viscous Oil 19000 cps@25deg cel which pump will be suitable to transfer around 6 meter and vertical height is 3 meter
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10/30/2026
posted in Electrical Engineering
by Anonymous Poster
The HRG system on a medium voltage system limiting the ground fault magnitude to a current value of 10A with NGR and the design of the grounding trans...
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10/30/2026
posted in General Discussion
by BruceFlorida
Years ago "Caption This" was a Friday tradition. Sometimes they were very funny. Sometimes you were reminded why the word "sometimes" was paired with...
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10/25/2026
posted in Electrical Engineering
by Anonymous Poster
Can an electrical engineer, after gaining experience in the chemical industry, shift their career path to become a process engineer or an operations e...
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10/19/2026
posted in General Discussion
by Anonymous Poster
Every gas pump I use, no matter where in the USA, the fuel automatically stops pumping at about 15.5 to 16 gallon level in the tank. If I pump very sl...
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10/17/2026
posted in General Discussion
by spatan
Hi everyone, i need a sealant for my molds made of MMA which I use to produce ceramic sinks. Now I use 2k weicon flex 310 m but it's liquid initially...
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10/16/2026
posted in Chemical & Material Science
by spatan
Hello! Anyone have a suggestion for an adhesive/sealant/glue that will bond tempered glass to glossy ABS plastic? Constraints are: *This a sliding doo...
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10/13/2026
posted in General Discussion
by BruceFlorida
Cool sky about 15 minutes after the launch today.
LAUNCH: 6:33
PICTURE TAKEN: 6:49
OFFICIAL SUNRISE: 7:21
Previous cool sky: https://cr4.glo...
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10/07/2026
posted in General Discussion
by MalcAndCheese
I picked up a used two post lift recently and noticed that it doesn’t always lower evenly. When I raise a vehicle, both sides seem to come up no...
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10/31/2026
posted in Challenge Questions
Edgar was excited when his new car's odometer showed 15,951 miles.
"Wow, a palindrome. That must be rare," he thought.
To his surprised, a new palin...
10/31/2026
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10/01/2026
posted in Challenge Questions
You have this iron horseshoe. You are also a talented machinist.
1. Can you cut this horseshoe into 6 different pieces, using two straight cuts, wi...
10/01/2026
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09/11/2026
posted in Aerospace Blog
by QGuy
The Quadrant Aviation Aerospace & Defense Symposium (QAADS) will take place on Thursday, November 3 in Long Beach, CA. QAADS will address concerns...
09/11/2026
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08/31/2026
posted in Challenge Questions
How many lines are there in these pictures? Explain the phenomenon depicted. (Apologies for the freehand Sharpie!)
Figure 1
Figure 2
Answer, upd...
08/31/2026
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