Most questions I got were related to the performance and M&B calcs before we got in the aircraft, nothing sneaky, just basic stuff to make sure I had some idea about what I was doing.
Where are you doing your test? Do you know which examiner it is?
Some will ask all sorts of things, others are happy to get on with the test without the small talk..
One piece of advice is not to bluff if you don't know. If you don't know - tell him where you might find the answer - it might get you off the hook.