"there are no stupid questions, only stupid answers"
who cares what percentage power is lost when one engine quits? - the people in that plane, they might not care about the actual number in a percentage, but they certainly care how much power is lost.
Sarcasm off...
I've seen a few tests in a few countries. In my opinion, the tests in the US are designed to make you a better pilot, the tests in most other countries seem to be designed to make you a better test taker.