Third-Class Engineer License:

A Third-Class Engineer is intended for a non-supervisory role in the power plant or generating facility as a Shift Engineer.

 
The fees for the Third-Class Engineer application is $25.00 with an annual renewal fee of $25.00.  For those engineers that wish to apply for a reciprocal license the fee is $25.00, which is based on holding a license from recognized State, Municipal, Federal and Third-Party licensing entities.

The qualification to sit for examination are the individual must have 6-months in a high-pressure plant or 6-months holding a high-Pressure Boiler Operator certificate.

Here is an outline of the breadth and depth of the topics, which can be downloaded in detail at Third-Class, and will be covered on the examination.  Below is the a general outline of covered topics on the examination:

Questions on the exam have a medium-degree of difficulty related to:

• Boilers: Types, applications, design, operation, combustion systems, controls, safety devices.
• Boiler Auxiliaries: Pumps, feedwater heating equipment, water treatment.
• Steam Turbines: Design, applications, controls, operation, safety devices.
• Steam Turbine Auxiliaries: Condensers, cooling towers and cooling systems.
• Environmental Control: Emissions, pollution controls, pollution control devices and systems.
• Boiler Mathematics: MAWP, heating surface, horsepower, safety valve calculations, fuel calculations.
• Pump Mathematics: Horsepower, head, displacement.
• Steam Turbine Mathematics: Horsepower, overspeed trip calculations, condenser calculations.

Reference material materials to study from, for the examination, are:

• Stationary Engineering, 4th Edition by Steingress, Frost and Walker.
• High Pressure Boilers, 4th Edition, by Steingress, Frost and Walker.
• Low Pressure Boilers, 3rd Edition, by Steingress and Walker.

Application form download (PDF) NASOE Application