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General Engineering

- The design, building, and use of engines, machines, and structures. For any engineering topics not applicable to the categories below.
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Jan16-12 Greg Bernhardt
We always have threads on various pieces of the puzzle, but what I want here is for people to post a coherent plan of...
Jun23-14 12:38 AM
1,027 230,935
You're just one click away from posting your homework help request! Click here to post.
May17-14 06:51 PM
0 2,265
A number of questions, particularly involving homework, often involve some basic engineering. In the US, the...
Nov22-13 02:02 PM
38 60,229
I'm current learning MatLab before i start my second year of engineering and i don't really understand a fundamental...
Aug26-13 10:54 AM
1 688
Often on high points of steam heated Shell&Tube heat exchangers etc. I've seen a vent specified to allow air and other...
Aug25-13 08:11 AM
2 1,115
Hi PF, I'm working on a problem for some guys and I need to add on to an existing machine. Attached is a back view of...
Aug23-13 01:14 PM
1 841
I want to make the input sound to go directly to the speaker without using any computer. Can you please help me?
Aug23-13 06:05 AM
6 1,368
Hello Everyone, I was wondering if anyone out there would know any kind of phase synchronisation techniques used...
Aug22-13 03:11 AM
9 1,243
I was just thinking: what if there's some kind of button which you press, and microphone, or something similar to...
Aug21-13 04:23 PM
Simon Bridge
14 1,862
Hello Experts Do all patents in the world really work? Can theories be patented ? I ask because i read a patent...
Aug21-13 02:25 PM
14 1,105
Good day! I don't know if they are called Structural design philosophy but, can anyone enumerate(if the list is...
Aug21-13 02:15 PM
1 1,039
Hi, I'm a junior in high school who is looking to focus on some type of engineering. I have researched a lot on the...
Aug21-13 01:34 PM
3 1,010
how is rifling done? I've read it's done by broaching,but rifling is helical
Aug21-13 07:39 AM
1 904
I have been thinking a lot about getting a remote car starter before winter. Any ideas on what I should get? Should...
Aug19-13 10:08 PM
0 765
I have to do this problem for my statics class and I don't really understand I will really appreciate, if someone can...
Aug17-13 04:50 PM
Greg Bernhardt
1 1,032
Iím currently working a project to produce a roadside speed camera which displays vehicle speed to drivers to improve...
Aug16-13 04:25 AM
8 1,472
I'm currently building a roughly 5m tall mallet for testing the strength of various pipes against impact force. I've...
Aug15-13 09:52 AM
2 1,042
This is a really dumb question that I have not found an answer for. I recently bought an erector set with a 3-6...
Aug15-13 03:47 AM
5 853
Hello Experts I have a question regarding high amperage going through strands of wires. For example, when...
Aug14-13 12:22 AM
11 925
Here's my problem: I have been using a digimatic indicator tool to measure the thickness of a somewhat uneven film....
Aug13-13 08:17 PM
Simon Bridge
1 977
anyone knows the difference between a snug tight and a fully tensioned bolt? thanks in advance:thumbs:
Aug13-13 07:46 PM
Simon Bridge
4 3,346
Hi there. I am designing a type cilindrical can full of a fluid, with a temperature difference between the top and...
Aug13-13 07:24 AM
0 697
I am not an engineer which is why I have come to this forum. I am currently working on a project for my business. ...
Aug13-13 06:48 AM
1 712
You can read just bold, or all for further info. :D The COP for a single stage vapour compression refrigerator...
Aug13-13 04:52 AM
0 643
Hi everyone, I would like to know your opinion about telecommuting (working from home) As an engineer, what are...
Aug12-13 11:15 PM
0 573
Hey guys! Loving the site, I'm not much of a science guy by any means but really enjoy reading about all the...
Aug12-13 09:49 PM
0 595
Hello All, Let us say I want to set up a nice new town in middle of Australia (it is all desert), 500km from the...
Aug12-13 11:53 AM
2 751
When a hand spray painting gun is used to paint say metal tanks, about 80% of the paint is lost in the air. This...
Aug12-13 12:59 AM
Simon Bridge
6 828
Dear All, How important is the node numbering scheme for simple fem problems or is it important at all? It will...
Aug11-13 04:41 AM
3 1,362
So lately (meaning the past few years) I've been hearing a lot about graphene and how it's amazing. It's apparently...
Aug10-13 01:18 AM
Simon Bridge
3 811
If you have a cylinder with a slightly larger diameter at one end (the intake end) Would having one ducted fan powered...
Aug9-13 04:28 PM
2 1,063
Hello All, I am in the process of creating a 33' tall chaotic pendulum, and cannot find any calculations for the...
Aug9-13 11:18 AM
8 2,631
I have Windows 7 64 Bit and a USB TV Tuner Stick. I live in the State of Pennsylvania in the USA. I was going to...
Aug7-13 01:05 PM
0 775
i was wondering about this, because I learned that those vests don't protect against knives.
Aug6-13 07:54 AM
1 1,084
This is not a homework question but a simple equation I want to make clear. If temperature of gas on one side of a...
Aug6-13 03:58 AM
5 737
Hi guys, So I'm starting to learn about magnetic fields and electrics fields, one of the equations we use...
Aug5-13 10:08 PM
Simon Bridge
15 1,986
Hi, im facing some problem can i just downsize the motor that drive the fan as currently the fan is operated at...
Aug5-13 10:25 AM
3 1,188
Hi, I was wondering if anyone knew where I could buy a pressure vessel that meets the following specifications: ...
Aug4-13 11:10 PM
1 807
I'd like to find out the names of well known and comprehensive introductory texts(at the undergraduate level) in...
Aug4-13 09:50 AM
5 1,301
Hi I am an engineering student from Singapore. I am curious about engineering's definition. "Engineering is the...
Aug4-13 09:19 AM
2 969
I am currently in the process of designing an end-plate for a heat exchanger. I know I can do what I am about to ask...
Aug4-13 03:08 AM
2 2,141
good day, I am having trouble designing a destoner with an intergrated aspirator. hence I would like to...
Aug2-13 11:44 PM
3 1,846
Hi all, Havent turned to this forum in quite some time but hoping you might be able to explain to me my y-axis in...
Aug2-13 01:28 PM
3 1,299

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