Recent content by HyperSniper

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    Psychrometrics: Dew-point temp from Relative Humidity

    There is a fairly complicated equation on wikipedia for dew point. http://en.wikipedia.org/wiki/Dew_point If you have all the variables you can just plug and chug. I don't know if that formula is in your FE reference book or not though.
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    Thermodynamics question about mass flow rate in an air conditioning unit?

    One way to do it would be to may be calculate the energy in and energy out based off the specific heat of the air.
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    Solve Kinetics Homework Question | t=17.5, 11.3s

    It looks like the basic procedure is going to be to take the applied torque (from the dimensions given), convert it to force, and then balance that force against the frictional force. Repeat for the for the four wheel drive instance.
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    Opposing Moments on Levered Beam

    When I calculated the second moment of area I got 2.701*10^-5 m^4 based on this: I=\frac{\pi*\left[\left(200mm\right)^{4}-\left(200mm-20mm\right)^{4}\right]}{64}=2.701\times10^{-5}m^{4} This would change your results a little bit. Solving out the ratio before of M/I = E/R gives...
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    Bending diagram, answers don't match book

    Could you post the original question? The general shape of your graph looks right, but I'm not certain what the value of that distributed load is suppose to be.
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    Light Traveling in both Directions in a fiber optic cable

    Okay, so it probably actually would be the case, this spectrometer actually uses two separate cables that are just bound in the same tube so it was hard to tell that is what is going on.
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    Light Traveling in both Directions in a fiber optic cable

    We have a spectrometer in our lab that collects light through a fiber optic cable, however it also sends a 532nm laser down this fiber optic cable. My background isn't in optics, and it would seem to me that the returning light (which is typically around 694 nm) would interfere with each...
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    Programs Do you actually have to work for 15 hours a day to get an engineering degree?

    Ugh, I feel like you. I'm actually really well read in philosophy and economics (Can't really put that on my resume though...), and people who talk and interact with me know I'm bright, but my grades aren't that great because I KNOW how irrelavent most of this stuff is to real-world engineering...
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    Difference between a clamped and a simply supported plate.

    Hey, I've recently been taking a look at the theory of plate vibration, but I can't seem to find anywhere an exact definition of what consitutes a "clamped" and a "simply supported" plate. What exactly are these, conceptually and mathematically?
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    Engineering Is Aerospace Engineering a good major to pursue?

    Yeah, the problem was that the economy slowed down and all the baby boomers realized that the retirement they thought was going to be there wasn't. So they're sticking around for a while longer...
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    Programs Do you actually have to work for 15 hours a day to get an engineering degree?

    It depends on how quickly you need want to get done and how well you want to do. If you're doing 16 credit hours a semester and you want straight A's, then yeah, you could very well be doing 15 hours of school work a day.
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    Steinhart Temperature vs. Actual Temperature from thermistor resistance

    Ah, thanks so much! I was too confused at the time to articulate my question properly which was basically: "Why is this different from this?" Thanks again!
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    Steinhart Temperature vs. Actual Temperature from thermistor resistance

    I'm pretty confused on what the difference between what the temperature reading is from a thermistor vs. the Steinhart Temperature. Basically I know that the "Steinhart–Hart equation" is given as: However, the http://www.vishay.com/docs/29049/23816403.pdf" for the thermistor I am...
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    Accuracy of measurements from DAQ board

    All right, I think I have got it figured out now. The resolution of the Analog to Digital conversion that the DAQ makes can be calculated using the formulas here: http://en.wikipedia.org/wiki/Analog-to-digital_converter#Resolution Given 14 bits, that means that the resolution that the board...
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    Accuracy of measurements from DAQ board

    Yes, that's right. I am measuring a signal that is input into the DAQ from a function generator. So what I am asking is how can I determine the error in the measurement I am taking? I'm pretty ignorant on how to use these things, so if you could avoid using acronyms that would be helpful...
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