Can someone explain what this is exactly? I cant find a definition of what it is anywhere on the internet. My understanding of it is that its a power controller that operates in "bursts"...
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Any ideas about the causes of the incident at the new Australian research reactor (OPAL) where some fuel plates in some of the assemblies were found to be elevated? I.e., translated vertically upwards...
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I'm writing a paper on Thorium utilization in nuclear reactors.
In this connection I'm looking for figures which describe the neutron capture and neutron fission cross sections over a wide energy r...
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Hey,
Looking for materials/supplies to do some vacuum bagging. Need to find the materials such as bagging films, peel ply, breather fabric.
I have been onto a few companies and they are gi...
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Why do alpha gloveboxes require so much shielding? Do alpha particle interactions create high energy electrons which produce Bremsstrahlung radiation or is it the high activity producing greater qua...
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Quite simple really, I've just completed the safe pass course (huzzah and all that) and I was informed that it will take up to 13 weeks (if I'm lucky) to send me out my card. Doesn't anyone know e...
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Hello all,
This is my first post and this seems like an awesome community.
As my first post for the forums, I would like to know the following:
In my classes I learned the Laplace and Fourier...
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Hi I have this lab about exploring rectifier diode and zener diode.
I have this question I have problem to answer.
"You measured the current through the diode (rectifier diode) and voltage ...
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I was reading a bit on General Atomics homepage and found this.
http://gt-mhr.ga.com/graphites_all.html [http://gt-mhr.ga.com/graphites_all.html]>
(bolds added by me)
Quote:...
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One electromotor serviceman who worked in a small workshop needed an ac power supply with 100HZ frequency.
He knew that in synchronous generator, if the magnetic flux of the field system is distribu...
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My story! [http://www.instructables.com/id/How-to-get-a-girl-who-is-way-out-of-your-league./]>
Its not really me
...
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Hi, I'm designing an amplifier and need help with some basic ideas (Filtering is already taken care of). My main question is bolded.
The output is an audio signal, and it drives an 8 ohm speaker. ...
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I am a fan of Vex. I will admit I am a business person by trade, not a robotics expert. Vex has been out close to two years now. Vex is a great set of components in itself. I am sure I will take a...
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Just wondering people's opinion on doing a postgraduate in something completely different after I complete my degree electronic and electrical engineering this year. I've been told before that eng...
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Hi there,
I'm looking for an algorithm which describes the numeric solution to solve the diffusion equation (1D or 2D).
I've taken a look on some text book such as Hamilton and Henry ones but I didn...
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I'm really having troubles figuring this stuff out. Here's a question and what I've done..
a) Calculate current through R5
b) Determine Voltage across R5
I haven't gotten a) yet so haven't ev...
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ok.. so hypothetically speaking, and therefore not able to get me in trouble or fired... I'd like to ask any professional engineers on the board what issues or opinions they have on how the govern...
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Please choose your favourite candy. Please dont tell me about other options because this is for fundraising and they only allow these. ...
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Hey guys,
Just looking for some opinions. Looking at what materials would be best to reduce radiative heat transfer. Basically need something that would wrap around a carboardbox and stop the cont...
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In an extra high voltage substation, the output overhead lines protected by standard protection system.
That protection system contains high quality main and backup distance protection, sync/auto re...
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Hi there,
See attached for original circuit.
Basically I need to find thevenins equivalent of the network.
My attempt:-
To find the resistor equivalent
First of all I replaced all voltage sou...
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Please view the attached circuit. I will be appreciated for any suggested answer, thanks!
Q1) Calculate the dc input resistance of the transistor amplifier shown in figure 1 below if the current ga...
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I'm just curious about how one actually becomes a chartered engineer.
Do you pick up the know-how purely from work?
What is involved in terms of exams?
Are the exams specialized (e.g. brid...
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Hi, i'm a civil engineering student and next week we are going on our first site visit. We need to buy hard hats, boots and hi -vis jackets but I haven't got a clue where to get them. Any ideas? I...
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Does anyone know how or if it's possible to use GPS to control a VEX bot. I want to hook up my bot to a GPS receiver and then with pre-coded coordinates the robot navigates itself there using ultrason...
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