City of Philadelphia Engineer - Class B (Refrigeration) Overview:

The engineering grade B exam covers the operation, maintenance, repair, inspection, testing and overall of refrigeration systems, air conditioning units, internal combustion engines, and codes laws and rules. It includes all associated mechanical, pneumatic and electrical control systems, pumps, water treatment, piping of condenser and chilled water systems, refrigeration piping and tubing, water treatment, test equipment, cooling towers and condensing units, and safety devices used to maintain and safely operate all the above equipment. This also includes internal combustion engines but does not cover work on residential buildings, federal government projects or futility operations

Students will be taking a 100 question test. You are allotted four hours of time and you are allowed to use reference books. A score of 70% is required to pass this past.

The Course:

The course consists of 6, 2-hour training sessions at one of our locations. The course also consists of a mandatory online study program, a great resource for registered students to prepare for the exam.

The Program Covers: 

  • The application process

  • Refrigeration

  • Controls and control systems

  • Refrigerants

  • Air conditioning

  • Chilled and condensing water piping and treatment systems

  • Ventilation systems

  • Ducts and duct systems

  • Test, adjust and inspection

  • Internal combustion engines

  • Codes and laws; Rules and regulations, the basics

  • Use of reference materials

  • And reference materials needed For testing