Derating factors

[Andy78]

erm,,, still in training?? May need a bit of guidance??

Guidance for the OP
If you can't find the location of an answer to a 17th edition exam question using the index, use other relevant and related words contained within the question to reference the index with.

 

[Paul.M]

Guidance for the OP
If you can't find the location of an answer to a 17th edition exam question using the index, use other relevant and related words contained within the question to reference the index with.

^^^ good advice. Look at the key words within the question.

 

[RJP1]

thanks guys appreciate the reply's really helpful