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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
OmCheeto
1,027 222,241
You're just one click away from posting your homework help request! Click here to post.
May17-14 06:51 PM
Redbelly98
0 1,641
A number of questions, particularly involving homework, often involve some basic engineering. In the US, the...
Nov22-13 02:02 PM
rneale
38 57,737
Hi, I would like to calculate a bending energy of a circular rod. It should be elastic bending. The rod/circular...
Apr17-13 10:53 AM
cake of doom
15 1,078
Hi I am a second year electrical and electronic engineering student and I have been planning to do a year in...
Apr16-13 08:44 AM
CraigH
0 788
I know that incandescent bulbs are filled with some inert gas to reduce the rate at which the filament decays. If the...
Apr15-13 12:08 PM
Danger
6 1,346
I saw those giant wind turbines stopped working in winter, since winter has most wind in four seasons. so, what good...
Apr14-13 04:52 PM
Danger
18 2,020
I've got a problem with calculating (estimating) how much heat is flowing out of a metal bar in the following system;...
Apr14-13 08:51 AM
Yuri B.
1 1,223
I want to know approximately how compressible a fluid can become when H2O bubbles are present. Does anyone know how...
Apr13-13 01:09 AM
bzz77
6 1,130
Does anyone know what the common technical name for the attached image of a spring loaded pin? I am pretty sure it is...
Apr13-13 12:07 AM
pantaz
1 1,487
Hello, I am having difficulty in calculating F and was wondering if anyone could help. F is the heat flux in W/m2...
Apr12-13 01:08 AM
Simon Bridge
1 1,048
I'm interested in studying engineering (specifically electronics and software). I enjoy designing and creating a...
Apr11-13 11:26 PM
tade
26 3,299
I have a conveyor that travels radially. I need to calculate the HP needed to move it. It works on a concrete slab....
Apr11-13 09:59 PM
Simon Bridge
9 1,236
How can I determine the thermal conductivity of two different aerial coolers' tubes, taking into account the ambient...
Apr11-13 03:54 PM
a.m.d
0 1,070
This is for a anechoic chamber for testing the exhaust noise from a particular engine, it will just be an engine test...
Apr9-13 12:37 PM
Danger
5 1,242
What is the physical meaning of sensitivity and complimentary sensitivity in a sytem?
Apr9-13 11:42 AM
vvl92
0 969
Can someone please help me. I have a pipe 200mmOD x 160mmID welded to a Steel structure The pipe is 100mm long...
Apr9-13 12:58 AM
SteamKing
1 1,003
Hi i am doing a side project of displaying RPM speed on the Altera development board DE0 which i have running at...
Apr8-13 11:16 AM
Sparkypedia
1 744
I want to know how the artificial intelligent become integrated or can improve more automation systems and machine...
Apr7-13 03:34 AM
iii
0 873
When we watch 3-D films in the cinema, some objects appear to protrude, others recess. How would a technician control...
Apr6-13 08:36 PM
tade
17 1,827
hi i am putting together a practical training for the infrastructure industry in the rebuild of earthquake torn...
Apr6-13 06:04 PM
kingsley79
0 753
As im well aware you CAN'T connect inverters in parallel due to the Frequency's and wave forms not matching BUT. What...
Apr6-13 05:33 PM
RocketSci5KN
4 743
I have a 4-stroke,4 cylinder, 2.0- litre engine at a speed of 2850 rpm, the engine works in stoichiometric conditions...
Apr6-13 03:25 PM
AndreasSpy
0 847
Hi I have a project in mind and I'd like some help starting it up. Project: I want to create Twisted Fate's Pick a...
Apr6-13 12:43 PM
Equilibrium
3 951
Hello, I am interested in the boundary condition effects on a converging-diverging nozzle. If you have a...
Apr5-13 04:21 PM
boneh3ad
1 1,439
Hello, First time poster here! I am hoping someone here may be able to share some insight on my problem. I am a...
Apr5-13 10:49 AM
dingelde
0 727
http://img715.imageshack.us/img715/2498/11489662.jpg The pressure will push component "a" to move downwards and...
Apr5-13 06:19 AM
CFDFEAGURU
8 1,103
What is meant by "high gain control is desirable in that it increases bandwidth"?
Apr4-13 05:13 PM
vvl92
0 646
Friction is phenomenon we try to avoid but it may be useful. Does anyone know about existing friction heat generators...
Apr4-13 12:14 PM
Jobrag
21 2,308
hi,, i m a bit confused in XNOR gate logic for MORE THAN 2 INPUTS.. is this logic correct "even function of 0's".....
Apr4-13 10:19 AM
fcbarcelona
3 724
Hello, Currently I am doing a project about design and analysis of lorry rear bumper for crashworthiness. My...
Apr3-13 09:30 PM
Thenymphadora
0 967
I've been trying to find a product to no avail (lest I disassemble something myself). What I'm looking for is an...
Apr3-13 05:24 PM
Q_Goest
4 1,293
Hi, I'm trying to design a windup baby toy (think toy stuck on wall rotating) with a gearing mechanism that works...
Apr3-13 05:31 AM
Danger
1 1,414
I have just been reading about the latest LHC shutdown and the upgrades and tests being carried out. I currently...
Apr2-13 05:39 PM
phyzguy
1 807
Hi, this is a bit of a long shot but i'm looking into size effect of beams in flexure. I'm completely bamboozled by...
Apr2-13 10:29 AM
ar202
0 741
I need rough values for power consumption of an average sized car at different speeds. Does anyone know how to either...
Apr1-13 02:50 PM
Low-Q
6 1,435
Hi I’m a second year Electronic and Electrical Engineering student, just about to sit my first set of exams for this...
Apr1-13 01:30 PM
johnbbahm
5 1,357
A friend and I got into a debate regarding the characteristics desired in a gas for forced air cooling. Having...
Apr1-13 11:31 AM
Mike_In_Plano
2 914
hi, for a task at school i have to design a pump and water storage system that will be able to work with a wind...
Apr1-13 11:13 AM
Travis_King
1 925
I'm a college student 17 years of age; I'm at the point in life where I need to use what degree I want to do. I have...
Mar31-13 06:52 PM
Foulassassin
4 1,649
Hi, I'm not a mechanical or an automobile engineer and have a poor knowledge of vehicles as I don't drive. I'm...
Mar31-13 01:16 PM
AlephZero
4 1,250
I am interesting to know about the automation systems (production line) and the machines that manufactures these...
Mar30-13 09:30 PM
Ackbeet
1 913
Engine oil at 60 oC flows over flat plate whose temperature is at 20 oC with a velocity of 2 m s-1. The length of the...
Mar30-13 05:34 PM
tcaldwell
1 639

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