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PhysicsForums Automotive electrical contacts  
02:01 4-Dec-07   [Replies: 3, Views: 23]    By: Unnamed
Hi, I had auto lights failing and instead of let the mechanics supply me with a brand new switch unit at a great rate, I delved into the switch unit to see what was happening. I noticed a lot of o...
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boards.ie An Engineer's Christmas  
20:41 3-Dec-07   [Replies: 9, Views: 509]    By: Myth
Got these in an e-mail, thought people might appreciate them here! *** CUP & COOKIES Smart cup in which you can put 2-3 of your favourite cookies. You don't need extra plates. It's...
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boards.ie Engineering Topic #2: Quebec Bridge Disaster  
16:37 2-Dec-07   [Replies: 5, Views: 357]    By: Myth
Topic number #2. The first one was Sputnik 1 [http://boards.ie/vbulletin/showthread.php?t=2055184693]>. Again, if there's anything you think would be a good topic of discussion feel free to post i...
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PhysicsForums VHDL Code: Testing Equality of Vectors  
00:21 2-Dec-07   [Replies: 0, Views: 25]    By: Unnamed
Hi all, I have the following code: Quote:...
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boards.ie Megane  
13:52 30-Nov-07   [Replies: 6, Views: 203]    By: kleftangel
Can find a better forum to post this in. My friend has a 96 Megane Coupe that doesn't seem to want to work. I have several questions which will be numbered so you can answer any one of them by...
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PhysicsForums What nuclear fission reactor design has the least environmental impact?  
22:06 29-Nov-07   [Replies: 1, Views: 95]    By: Unnamed
What nuclear fission reactor design has the least environmental impact? Including the building, operating, safety, and amount of pollution produced? I'd imagine IFR/breeder reactors as they burn a...
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boards.ie ELECTRE method for multi criteria decision making  
19:07 29-Nov-07   [Replies: 1, Views: 179]    By: breadmonkey
I'm looking for some info on this. I googled a good bit but couldn't find anything basic enough! It seems that my discordance matrix is wrong because it's full of large numbers, meaning I can'...
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PhysicsForums AC to DC Power Supply Ground Connection  
14:18 29-Nov-07   [Replies: 4, Views: 66]    By: Unnamed
Hello, I opened up an AC to DC power supply today to see where they connected the earth ground wire and I found that it's connected to the negative side (labeled V-) of the DC output. V- is also c...
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PhysicsForums Advice For Going Into Electrical Engineering  
00:40 29-Nov-07   [Replies: 1, Views: 21]    By: Unnamed
I'm a high school senior at my school and I have decided to pursue a career in electrical engineering. I was wondering what kind of advice you guys would give me to guide me in my path of learning in ...
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PhysicsForums request book!!!  
22:22 28-Nov-07   [Replies: 1, Views: 23]    By: Unnamed
I need a book, please help me. Handbook for the Assessment of Soil Erosion and Sedimentation Using Environmental Radionuclides thanks...
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PhysicsForums fluidy  
10:44 28-Nov-07   [Replies: 0, Views: 74]    By: Unnamed
could not solve this exam problem completely please help: Variations in surface tension can cause a flow in a liquid.One of the chief causes for variation of surface tension is temperature.Consider ...
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PhysicsForums fermi levels in p-n junction under voltage  
01:27 27-Nov-07   [Replies: 24, Views: 369]    By: Unnamed
I understand that for a semiconductor p-n junction under zero voltage, the Fermi level is constant throughout the junction because that is the condition for a system in thermodynamic equilibrium. ...
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Vex Fan Forum Bumper Switch Problem  
13:19 26-Nov-07   [Replies: 1, Views: 500]    By: Romansnowboarder
I can't find out how to set up a Bumper Switch sensor to turn the robot completely off. Does anyone know how to do this through Easy C and what the code is. Thank You...
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PhysicsForums tutorial of pcb design  
21:50 25-Nov-07   [Replies: 1, Views: 53]    By: Unnamed
Hi; i want tutorial of pcb design for beginner designers & intermediate PCB designers;I'm using "orcad tool" & "p-cad"....
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boards.ie Solidworks and Photoworks!  
17:48 25-Nov-07   [Replies: 0, Views: 96]    By: Smiley012
My friend has a student edition which doesnt have photoworks, anyway I can get this as an add-on? Anyone have any other suggestion? Thanks! ...
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boards.ie Electrical Circuit for LC Project  
19:04 24-Nov-07   [Replies: 27, Views: 541]    By: congo_90
Hi, I'm in the middle of doing my L/C project. In my design i have 3 motors to run also minimum 2 LED's limited to 9v power supply. i've attached a rough idea of my circuit. Basically the p...
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boards.ie Tons feet to KNm  
16:24 23-Nov-07   [Replies: 4, Views: 141]    By: holdfast
I have an old manual just want to comfirm the conversion of tons feet to KNm please help need before monday regards ...
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PhysicsForums Electrical Energy calculation  
02:45 23-Nov-07   [Replies: 3, Views: 70]    By: Unnamed
How do I calculate the consumption of energy for an apparatus with these characteristics: 230V / 50Hz / 1Ph ?...
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PhysicsForums traffic light controller  
16:24 22-Nov-07   [Replies: 6, Views: 296]    By: Unnamed
Hi, I have some problem to design a traffic controller. the traffic lights are placed at an intersection of two streets, one street running north-south (called NS) and another street running east...
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boards.ie bose wave system  
21:14 21-Nov-07   [Replies: 10, Views: 457]    By: bose fan
I have a bose wave music player , Which is i recently bought in the USA. its 110v and i intended to buy a step down transformer here in ireland to play it . I rang Bose to check the wattage and th...
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boards.ie instron testing of composite samples  
20:58 21-Nov-07   [Replies: 1, Views: 88]    By: chris85
I am carrying out some testing on polymer matrix compoiste sameples and need a way to attach the samples (dog bone shape) to the instron. The standard grips will not do. Have heard of drillin...
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boards.ie New Forum Request - Electronics Design  
13:20 21-Nov-07   [Replies: 3, Views: 222]    By: 10-10-20
Hi Engineers, I have an open request for an Electronics Design forum, to which I appeal to you guys to support if you have a interest in electronics in terms of design, repair, modification, c...
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PhysicsForums Fusion energy gain factor  
08:45 21-Nov-07   [Replies: 2, Views: 221]    By: Unnamed
I have a general interest in fusion energy and I'm currently looking at the 'fusion energy gain factor' (Q) of fusion reactors (the energy produced divided by the energy used to induce ignition). I'm...
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PhysicsForums Modelling a vacuum tube?  
02:19 21-Nov-07   [Replies: 13, Views: 458]    By: Unnamed
Hi all! OK, hopefully this will be a very quick question. Basically, I want to know how to model a vacuum tube (both triode and pentode) in terms of creating a dynamic system model. For example,...
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boards.ie Surveying  
18:44 20-Nov-07   [Replies: 1, Views: 142]    By: burke2007
Hello, Just a quick question, how is the intersight calculated in levelling? I have a table to fill out and took backsights and foresights, i also have to make a comparison with the measured and...
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