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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
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You're just one click away from posting your homework help request! Click here to post.
May17-14 06:51 PM
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A number of questions, particularly involving homework, often involve some basic engineering. In the US, the...
Nov22-13 02:02 PM
38 58,843
I work at a cement distribution terminal. We load bulk powdered cement pneumatically into ships. Part of this...
Dec4-08 10:05 AM
6 27,393
Why is magnesium not used much for engine castings? the old air cooled VW engines were light enough (bare) to be...
Dec3-08 08:34 PM
9 7,465
I was just curious if anyone knows of any new and upcoming methods of hydrogen storage to be used for fuel. The only...
Dec3-08 06:07 PM
6 1,863
I need some infos about Semenov's equation that estimate AIT's hydrocarbons (autoignition temperature) at different...
Dec3-08 11:47 AM
0 1,742
I'm doing a project on flow rates in a pipe system using the hazen williams formula, does anyone know of a spread...
Dec2-08 04:14 PM
2 1,076
Hello Forum , i am new here and new to this domaine ( laser and laser displays ). I have a motor ( polygonal mirrors )...
Dec2-08 09:17 AM
0 644
Hi, I am testing or trying to figure out how much heat would be generated for a piston that moves up and down and...
Dec1-08 07:07 AM
4 1,983
Synchronizing panel contains of number of generators, and there is some cases of these generators - standby...
Nov30-08 01:19 PM
4 1,139
hi, i have managed to find alot of information on what causes shimmy and how it can be prevented, but i am...
Nov26-08 12:36 PM
0 2,392
i have got a problem with a calculation involving a filter, i hope you all with lend me a helping hand. to...
Nov25-08 11:31 PM
5 7,460
I am wondering what the upper limit for frequency is currently as far as audio signal generators go. Basically I...
Nov25-08 02:52 AM
3 1,634
So me and a few friends have a crazy idea for a science fair project. We want to make a small toy car that runs from...
Nov24-08 04:06 PM
7 3,547
Hi I'm trying to find a value for the density of the exhaust gases emitted from a Honda CBR600 motorcycle engine...
Nov22-08 08:29 PM
5 3,902
I need to spec out some bolts according to the NAS standard. The problem is that I only have the...
Nov21-08 02:15 PM
4 8,643
I have few question about wind turbine and its theory for the situation, the average wind velocity is 2m/s 1. what...
Nov20-08 09:31 PM
11 14,656
Is this possible to efficiently concentrate diffuse light? Is this possible to build light concentrator to focus...
Nov20-08 06:45 PM
0 4,197
Does someone here know about high energy lasers? As I understand it, at a certain field strength you damage your...
Nov20-08 04:15 PM
1 1,482
Need to deal with Maxwell's Equations by a numerical point of view. Usual, Whitney Elements are used for Finite...
Nov20-08 10:30 AM
0 4,411
Story on the BBC about a urine recycling system for the ISS - it doesn't have a lot of tech details but a few points...
Nov18-08 04:18 PM
Proton Soup
6 2,824
Hi all, Not entirely sure where this should go, but does anyone know where to find the set-up for cymatic image...
Nov17-08 02:25 PM
0 1,043
Hello, I am supposed to find the change in position at c by superposition. But I dont really know how all the parts...
Nov17-08 07:33 AM
3 5,485
could anybody suggest me a book on fluid mechanics which provide strong basics as well as detailed knowledge thanks
Nov16-08 01:49 PM
3 5,613
Hey This may seem like a homework question, but its actually extending my knowledge... I attended a lab, and it...
Nov16-08 12:24 PM
5 2,307
i want to listen to radio on my mobile without earphone. so i need a very good wave absorbing material in d stereo...
Nov15-08 10:39 PM
Proton Soup
4 873
I want to calculate the maximum shear stress, that two surfaces joint by a single lap joint, would be able to take. ...
Nov15-08 06:59 PM
1 12,071
I am a Civil Engineering major, and I work full time as an Energy Rater and would like to pursue this career path....
Nov15-08 01:49 PM
2 3,473
I have bought a new house in Washington (Seattle), which has two lots of 30 x 40 ft and 40 x 60 ft sizes. The second...
Nov15-08 11:08 AM
4 1,490
"The Pickens Plan" I've started this thread because I recently heard about a billionaires plan to utilize the...
Nov15-08 10:57 AM
139 15,194
What is the difference between a structure being statically indeterminate and being kinematic? Are they the same?
Nov15-08 09:20 AM
1 9,851
i need to interview an engineer for a school project could sombody answer my questions? 1. How many years of...
Nov14-08 05:39 PM
7 17,238
I found this article: and it talks about a machine that...
Nov14-08 01:06 PM
10 4,952
How can I calculate the heat loss from the surface area of a box into air? Also, how can I calculate the...
Nov12-08 03:15 PM
1 1,496
What is the difference between strain rate and velocity gradient of a newtonian fluid?
Nov12-08 08:56 AM
1 7,401
I did thermodynamics I and II 50 yrs. ago so help me out here. I note that high temperature and pressure steam is...
Nov11-08 04:37 PM
4 2,114 I read from this webpage that for a fluid...
Nov11-08 03:56 AM
0 9,789
Hi, I currently attend Queen's University, Kingston, Ontario, and I'm looking to interview an engineer over the...
Nov10-08 11:42 PM
5 3,358
Hey Guys, I am working on a situation where I have a beam that is simply supported in the middle, and the two...
Nov10-08 10:05 PM
5 2,746
I would like to divide an average sized bedroom into two rooms. I thought that a folding door could do, but I would...
Nov10-08 01:54 PM
8 20,845
Today's weather in Seattle is amazing! Can anyone currently living in Seattle give me an idea as to how often these...
Nov10-08 01:09 PM
4 2,007
I am trying to do a coupled field analysis, FLUID-Structure interaction. Wind strikes normally a panel covered by a...
Nov10-08 07:14 AM
3 4,973

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