Well, maybe it'd be better called "aptitude test": if you don't know that gasoline lighter than water that means you've never handled it manually, so better not put you into an automechanic position.
It was 2 days of various tests, resulting in a number of scores, physical, intelligence, psycological etc. All together an aptitude test. I don't know why this was called intelligence test, it was a mix of questions, not all of these kind. I remember many were something like "circle the fourth word of the second sentence except if..."