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Originally Posted by Cole

Currently on an industry related, week long course. I am blown away by horribly terrible I am with a lot of the math. Biggest issue I have is keeping units straight. A lot of the problems give units in mV and V, mA and A. In the steps for the equations, it's almost like the first equation uses mV, the next uses V, the next uses mV and the next uses V.

Normally I don't get worked up about tests, but I'm feeling pretty fucking anxious about the test that's coming up on Friday.

Problem is that the basic set up for the testing on Friday is there are 13 (14 including the grace period to finish up anything) different stations, and you get 12 minutes at each. Most of them are pretty easy and just require using a voltmeter to obtain basic values from things. But, there are 2 math only stations, with 14 equations to solve. Naturally, the one single part of this week that I ended up zoning out during was the lesson with this math stuff in it.

Ah well, just gotta take my time and be aware of whether the equation calls for mV/mA or V/A.

For you engineery/material sciences types, the equations in question relate to finding pipe span resistance and calibration factor, residual current, current pick up on coating, pipe coating resistance, specific coating resistance and specific coating conductance.

V=IR

You're welcome.