A Chief Engineer oral is not a plant quiz. The examiner is testing whether you can manage a department: whether you recognise irregular performance early, interpret what the monitoring information is telling you, and make the maintenance and operational decisions that follow from it.
This course takes the operation, maintenance and management of marine machinery and rehearses it at that level — the decision, the justification, and the consequence of getting it wrong.
It is preparation for the MCA oral examination, which the MCA conducts and controls.