Size of Conductors-Capacitor Motor Connection

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CO frustrating

CO frustrating

This is the one thing about renewing my CO Master's that has always frustrated me. Seems like there are always a few questions - often just enough to be on the wrong side of the margin of error for failure - where the answers don't seem to make any sense. You are forced to guess the author's intent, supply your own information, or use fuzzy math just to make the provided answers viable.

It is really sad that the people asking/grading the questions don't appear to be as good or diligent as the people required to provide the answers. I too used the .33, but you would think if they are using double precision there would be no rounding involved to make the answer work.

I would hope it was their intent to make us dig deeper, but in my opinion it is probably just the kind of sloppy work that my supervisor wouldn't accept from me. I think it does a disservice to us all since we can never be sure what the answer really was - it isn't we get a graded copy after we're done.

Steve
 
typical

typical

This is typical of the CO Master's renewal, and it is very frustrating. Another example is one question where it is verbatim from the codebook - except the second part of of the sentence doesn't match what is in the code.

I mean it would be fine to do that if they didn't quote the first part...

(hint= luminaires)

I know my boss wouldn't put up with me doing this kind of half-hearted work.
 
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... I too used the .33, but you would think if they are using double precision there would be no rounding involved to make the answer work...

I saw this approach in another thread or two so I'll comment.

The code states 1/3, so 0.33 is in no way acceptable, especially if your choice of answers are given with four significant digits.
(0.33333333333333333333 should be used, and the other number(s) should limit the result)

At most, the answers should have had only had three digits....
 
This is an evil question. Agreed 74.8A X 1.25 = 93.5 but 460.8 instructs us to use 1/3 of the ampacity of the motor circuit conductors and the closest is 100A. 100 X 1/3 = 33.35.
 
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