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i/Engineering

tanishasahu0911

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4 months

Exhaust stack wind/seismic/frequency calculations?

I was looking around for a tutorial on designing a furnace exhaust stack for wind/seismic/etc. and really not finding much useful online. There are a ton of software options to buy, and we used to use STAAD pro, but what I'm wanting to do is go through the hand calculations so I understand it better. I'm coming at this as a chemical engineer/process engineer who has to work with the mechanical/structural guys. Is there anything useful out there as a reference? I'm tempted to just sit and read STS-1...

13

0 replies

smehssaketkumar01

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4 months

Anybody with experience building hoppers for square items?

I am building a hopper for 6mm square nuts. I need to them to come out the bottom of the hopper oriented vertically. The size of the square nuts is 10mm x 10mm x 4.6mm. My main question does anybody what angles are best on the sides of the hopper to be in order to reduce them from stacking up and "clogging" near the bottom. My best guess is steep but wanted to know if anybody had experience.

1

1 replies

viraj.catanxs

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4 months

Levels.fyi (Salary Site) Launches for Real* Engineers

Hi All, I'm co-founder of Levels.fyi. Over the last few weeks I've been gathering feedback in the subreddits for each discipline (ex. r/MechanicalEngineering, r/ElectricalEngineering, etc.) on how to add each to Levels.fyi. For background, we're a Salary sharing site that's popular in the tech industry and software roles. There were dozens of comments and I had live conversations with some of you as well on how to structure the title taxonomy - thank you all! **Happy to share that we've finally launched** [**Levels.fyi**](http://Levels.fyi) **for the Real\* Engineers.** \*As a...

3

5 replies

tanisha_jk00

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4 months

Elegant solution to a packing problem

I need to design a production line for soda cans and the last step is to put two 3x2 packs of cans, that are wrapped in plastic, on a cardboard tray thats already folded. The 2x3 packs come from a conveyor belt with the short side (2cans) parallel to the direction of travel. About a packet every 12 seconds. The trays can be supplied in any way (not manually), but preferably on a conveyor belt as well. The trays are made for 3\*4 cans (so 2 packs of 2\*3)...

4

0 replies

tanisha_jk00

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4 months

Weekly Career Discussion Thread (16 Dec 2024)

\# Intro &#x200B; Welcome to the weekly career discussion thread, where you can talk about all career & professional topics. Topics may include: &#x200B; \* Professional career guidance & questions; e.g. job hunting advice, job offers comparisons, how to network &#x200B; \* Educational guidance & questions; e.g. what engineering discipline to major in, which university is good, &#x200B; \* Feedback on your résumé, CV, cover letter, etc. &#x200B; \* The job market, compensation, relocation, and other topics on the economics of engineering. &#x200B; \> \[Archive of past threads](https://www.reddit.com/r/engineering/search?q=flair%3A%22weekly+discussion%22&restrict_sr=on&sort=new&t=all) &#x200B;...

4

0 replies

i/engineering

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4 months

Montage riddle

Hi everyone. I have a project for which I have not found an elegant solution, and I would like to ask for your advice in the following situation. I want to install a decorative wood panel all the way up the wall from the baseboard to the ceiling. I can't screw it on the front directly, but it is about 1 cm thick, which allows me to install some fasteners on the back side. There is some space (1-1,5 cm) between the panel and the wall, so just gluing...

4

0 replies

sainsamridh_01

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4 months

How much psi to form polycarbonate?

How much psi would I need to hydroform polycarbonate? Was just looking at a video where someone put 18 gauge steel sheet between a flange and plate about 1" thick and pressurized it with water to create a dome shape from the 18 gauge steel. I'm looking to do the same but with polycarbonate. It looked like the 18 gauge steel formed at around 350 psi. What psi do you think it would take to do the same with 1/8 , 1/4" and 1/2" polycarbonate? Approximately Thanks

3

0 replies

karan.batman

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4 months

Metal stress/fatigue question

I'm looking to put together a setback bracket for an outboard motor. I need 16-18" of total set back. The motor weighs about 480lbs My current plan is to use 12"×4"×1/2" aluminum C channel as an offset bracket and then mount a 6" or 8" hydraulic jackplate to that. My question is 6061 or 5083 alloy. Or, does anyone have a better idea. Thanks!

1

0 replies

jhasneha29novm

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4 months

The Journey from Lane Oil Chaos to Perfect Patterns - The Engineering Passion Express

The Journey from Lane Oil Chaos to Perfect Patterns - The Engineering Passion Express

1

0 replies

jhasneha29novm

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4 months

Well…. There’s your problem!

Well…. There’s your problem!

1

0 replies

saurabh.sharma

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4 months

Hot bathtubs but cool showers - all thinkers welcome.

I've already posted this in r/ plumbing, I'm an engineer, and this appears to be an engineering problem. Strange problem for my landlords. The original water heater that came with their house would supply hot water to the shower/tubs (showers are on the walls above the bathtubs - standard) in all three bathrooms in the house. They replaced the water heater. Now, the bathtubs get hot water, but when switched to shower, the showers start hot but within ten seconds become cool. Every shower in the house has the...

2

0 replies

viraj.catanxs

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4 months

r/engineering's Monthly Dec 2024 Hiring Thread for Engineering Professionals

\# Overview If you have open positions at your company for engineering professionals (including technologists, fabricators, and technicians) and would like to hire from the r/engineering user base, please leave a comment detailing any open job listings at your company. &#x200B; &#x200B; We also encourage you to post internship positions as well. Many of our readers are currently in school or are just finishing their education. &#x200B; \*\*Please don't post duplicate comments.\*\* This thread uses Contest Mode, which means all comments are forced to randomly sort with scores hidden....

2

0 replies

sakshu_006

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4 months

Weekly Career Discussion Thread (09 Dec 2024)

\# Intro &#x200B; Welcome to the weekly career discussion thread, where you can talk about all career & professional topics. Topics may include: &#x200B; \* Professional career guidance & questions; e.g. job hunting advice, job offers comparisons, how to network &#x200B; \* Educational guidance & questions; e.g. what engineering discipline to major in, which university is good, &#x200B; \* Feedback on your résumé, CV, cover letter, etc. &#x200B; \* The job market, compensation, relocation, and other topics on the economics of engineering. &#x200B; \> \[Archive of past threads](https://www.reddit.com/r/engineering/search?q=flair%3A%22weekly+discussion%22&restrict_sr=on&sort=new&t=all) &#x200B;...

2

0 replies

vratesh62

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4 months

Here's how a Modern Oil refinery Works (Downs Matthews, EXXON USA, 1981)

Here's how a Modern Oil refinery Works (Downs Matthews, EXXON USA, 1981)

5

0 replies

saurabh.sharma

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4 months

New CVT design

Do you think this design can be adopted massivement by big constructors around the world or it will stay niche ? It seems to be promising but i can't tell by myself.

3

0 replies

abhishat15

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4 months

I'm continuing this project to combat my grandma's tremor. I tried a few new approaches, interested in your thoughts. Especially on the gyroscopic approach, that's where I know the least.

I'm continuing this project to combat my grandma's tremor. I tried a few new approaches, interested in your thoughts. Especially on the gyroscopic approach, that's where I know the least.

2

0 replies

viraj.catanxs

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5 months

How can I tell if existing underground car park ductwork is fire rated?

Ductwork appears to be standard galv, and my research of guage thickness is that measuring this wouldnt confirm a fire rating.

2

0 replies

mrigank_shekhar04

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5 months

Help me settle an HVAC argument

HVAC engineer, 8 years of experience in consulting. Recently moved into construction. I have been arguing with my manager (who is very much a construction guy, not a consultant) that we cannot install a CAV air handling unit on a system with VAVs and expect it to work correctly. He flat out refuses to listen to me. Myself and HIS boss insist that the AHU needs to be equipped with a VFD to compensate for the operation of the VAVs, he is insistent that this is not the case...

3

0 replies

red

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5 months

Why so much marketing?

Why do engineers have to do some much marketing in this economy? Is the marketing department that inefficient? What’s going on?

1

0 replies

karan.batman

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5 months

How does this type of cooler work?

How does this type of cooler work?

2

0 replies

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