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IET SPD course

MikeB69
Has anyone done the IET SPD course ? I have completed it now but confused by one answer

When doing the final assessment test I am baffled by question 10 relating to Critical Risk Level, I don't understand how the answer is worked out from the figures they have given and why the answer is (B).

Has anyone done it or can they explain please?


Many thanks
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    Some questions on these kinds of courses do seem rather bizarre at times - and seem to try and test how good you are at triple negatives and spotting irrelevant details rather than actually understanding the fundamentals.


    Lp being greater than or less than a figure is rather odd - as we need an actual value to plug into the calculation. Since we only take account of the first 1km Lp > 1.0 can be taken as the same as Lp=1.0 so we can put that into the calculation. Likewise if Lp is less than 0.425 we could take it as being equal to 0.425 as worst case and put that into the calculation. Lp >0.6 is tricky though - it's only telling us it's longer than 0.6km but not how much longer - and as longer is worse we can't really use the 0.6 figure directly but would probably have to use the full 1km instead.


    So if they're asking us to spot the Lp value we can't use in the calculation, then I'd say it was the > 0.6km one - hence answer B.


    "Carry out the following calculation:" does seem a little misleading though.


    I'm sure they could have found a less misleading and less tortuous way of asking the question if they put their mind to it (presuming that is what they were trying to ask...)


       - Andy.


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  • 0
    Some questions on these kinds of courses do seem rather bizarre at times - and seem to try and test how good you are at triple negatives and spotting irrelevant details rather than actually understanding the fundamentals.


    Lp being greater than or less than a figure is rather odd - as we need an actual value to plug into the calculation. Since we only take account of the first 1km Lp > 1.0 can be taken as the same as Lp=1.0 so we can put that into the calculation. Likewise if Lp is less than 0.425 we could take it as being equal to 0.425 as worst case and put that into the calculation. Lp >0.6 is tricky though - it's only telling us it's longer than 0.6km but not how much longer - and as longer is worse we can't really use the 0.6 figure directly but would probably have to use the full 1km instead.


    So if they're asking us to spot the Lp value we can't use in the calculation, then I'd say it was the > 0.6km one - hence answer B.


    "Carry out the following calculation:" does seem a little misleading though.


    I'm sure they could have found a less misleading and less tortuous way of asking the question if they put their mind to it (presuming that is what they were trying to ask...)


       - Andy.


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