General Engineering Knowledge: Auxiliary machinery, Basic safety procedures, Bearings, Care of equipment-machine parts, Deck machinery, Drawings and tables, Heat exchangers, Hydraulic principles, Instrumentation principles, Lubrication principles, Maintenance procedures, Measuring instruments, Pipes, fittings, and valves, Pollution prevention, Pumps, fans, and blowers, Refrigeration principles, Remote control equipment, Use of hand/power tools

Electrical: A/C circuits, Batteries, Calculations, Communication devices, D/C circuits, Distribution systems, Electronic principles, Generation equipment, Maintenance, Measuring devices, Motor controllers, Motors

Safety: Safety and environmental protection, Communications, Damage control, Elementary first aid, Emergency equipment, Environmental awareness, Fire prevention, Firefighting equipment, Firefighting principles, General safety, Hazardous materials