1. (a) Before an applicant is issued an endorsement as QMED in the rating of Oiler, Boiler Technician/Watertender, Junior Engineer, Pump Technician/Machinist, or Electrician/Refrigerating Engineer, they must prove, to the satisfaction of the Coast Guard, by oral or other means of examination, their knowledge of the subjects listed in paragraph (c) of this section.
2. (b) The examination, whether administered orally or by other means, must be conducted only in the English language.

3. (c) Table 1 to § 12.505(c) provides a list of subjects required.

   Table 1 to § 12.505(c)—Examination Subjects for QMED Ratings

   Subjects	Pump technician/ machinist	Boiler technician/ watertender	Oiler	Electrician/ refrigerating engineer	Junior engineer
   General subjects:
   Auxiliary machinery	X	X	X	X	X
   Basic safety procedures	X	X	X	X	X
   Bearings	X		X	X	X
   Care of equipment and machine parts	X	X	X	X	X
   Deck machinery	X			X	X
   Drawings and tables	X			X	X
   Heat exchangers	X	X	X	X	X
   Hydraulic principles	X			X	X
   Instrumentation principles	X	X	X	X	X
   Lubrication principles	X		X	X	X
   Maintenance procedures	X	X	X	X	X
   Measuring instruments	X	X	X	X	X
   Pipes, fittings, and valves	X	X	X	X	X
   Pollution prevention	X	X	X	X	X
   Properties of fuel		X	X		X
   Pumps, fans, and blowers	X			X	X
   Refrigeration principles			X	X	X
   Remote control equipment	X	X	X	X	X
   Use of hand/power tools	X	X	X	X	X
   Watch duties		X	X		X
   Electrical subjects:
   A/C circuits				X	X
   Batteries				X	X
   Calculations				X	X
   Communication devices				X	X
   D/C circuits				X	X
   Distribution systems				X	X
   Electronic principles				X	X
   Generation equipment			X	X	X
   Maintenance			X	X	X
   Measuring devices				X	X
   Motor controllers				X	X
   Motors			X	X	X
   Safety	X	X	X	X	X
   Troubleshooting				X
   Safety and environmental protection subjects:
   Communications	X	X	X	X	X
   Damage control	X	X	X	X	X
   Elementary first aid	X	X	X	X	X
   Emergency equipment	X	X	X	X	X
   Environmental awareness	X	X	X	X	X
   Fire prevention	X	X	X	X	X
   Firefighting equipment	X	X	X	X	X
   Firefighting principles	X	X	X	X	X
   General safety	X	X	X	X	X
   Hazardous materials	X	X	X	X	X
   Shipboard equipment and systems subjects:
   Air conditioning				X	X
   Ballast	X	X	X		X
   Bilge	X	X	X		X
   Compressed air	X	X	X	X	X
   Desalination			X		X
   Fuel oil storage/transfer		X	X		X
   Fuel treatment		X	X		X
   Heating/ventilation	X			X	X
   Lubrication	X		X	X	X
   Potable water			X		X
   Refrigeration			X	X	X
   Sanitary/sewage			X		X
   Steering			X	X	X
   Steam propulsion subjects:
   Auxiliary turbines		X	X		X
   Boiler fundamentals		X	X		X
   Combustion principles		X	X		X
   Condensate systems		X	X		X
   Drive systems		X	X		X
   Feedwater systems		X	X		X
   Fuel service systems		X	X		X
   Maintenance	X	X	X		X
   Safety	X	X	X	X	X
   Steam fundamentals	X	X	X		X
   Turbine fundamentals		X	X		X
   Motor propulsion subjects:
   Air-charge systems			X		X
   Cooling water systems			X		X
   Diesel engine principles	X		X		X
   Drive systems	X		X		X
   Fuel service systems			X		X
   Intake/exhaust			X		X
   Lubrication systems	X		X		X
   Starting systems			X		X
   Waste heat/auxiliary boiler			X		X

[USCG-2004-17914, 78 FR 77975, Dec. 24, 2013, as amended by USCG-2021-0097, 89 FR 93101, Nov. 25, 2024]