whissper
Definately try and do the CASA 'Basic Exams' best to do them while you're doing the AA course, saves studying twice. Just the ones for your B1 and B2, however if you have to start in GA you may end up doing a lot more.
Syllabus of Examination Aircraft Maintenance Engineer Licences Mechanical Category
http://www.casa.gov.au/wcmswr/_asset...d/ctc_210s.pdf
Civil Aviation Safety Authority - AME Exams