This questions and answers book has been written to comply with the revised code requirements for Marine Engineering. The questions have been written in a manner that represents the type of questions asked of examination candidates. It is the intention to prepare students for both written examinations as well as for Certificate of Competency oral examination readiness. The sketches used in this book have been drawn in a manner that aims to make the underlying concepts behind each topic easily understood, whilst also being easily replicable by students.