This might work for things you have to remember off the top of your head, where you have e.g. 10 seconds to write answer, but it doesn't really work when you ha

This might work for things you have to remember off the top of your head, where you have e.g. 10 seconds to write answer, but it doesn't really work when you have longer questions requiring some kind of working which take more than a minute to work out. I also think that the "extra time for technical difficulties" is going to be very hard to prove or disprove and would lead to very arbitrary decisions.