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MAR 213 Refrigeration, Air Conditioning and Ventilation

ND2 levelEngineering & Technology26 topics

MAR 213 covers 26 topics. StudyPath paces them into daily study sessions that finish before your exam date, with practice questions and worked answers for each one.

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Course outline

The topics this course covers, in teaching order.

  1. Principles of marine refrigeration
  2. Refrigeration and air-conditioning components
  3. Properties of refrigerants
  4. Lubrication in refrigeration systems
  5. Recharging refrigeration circuits
  6. Applications of refrigeration
  7. Shipboard air-conditioning systems
  8. Ventilation systems
  9. Safety and environmental considerations
  10. Operation and monitoring of HVAC systems
  11. Basic maintenance of HVAC systems
  12. Principles of Refrigeration in Marine Applications
  13. Refrigeration and Air-Conditioning System Components
  14. Properties and Types of Refrigerants
  15. Recharging Refrigeration Circuits On-board Ships
  16. Applications of Refrigeration on Ships
  17. Functions of Air-Conditioning Systems in Ships
  18. Ventilation Systems, Safety and Environmental Considerations
  19. Operation, Monitoring and Basic Maintenance of HVAC Systems
  20. Elementary first aid
  21. Personal safety and social responsibility
  22. Personal survival techniques
  23. Fire prevention and fire fighting
  24. Security awareness for seafarers
  25. Designated security duties
  26. Basic oil and chemical tanker cargo operations

A sample from this course

One topic, as StudyPath teaches it.

Principles of marine refrigeration

Marine refrigeration systems are designed to operate reliably in the harsh marine environment, where factors such as saltwater corrosion, vibration, and limited space dictate component selection and layout. The core ideas to master are the thermodynamic cycle used (usually vapor‑compression), the choice of refrigerants and compressors suitable for marine service, and the safety and maintenance practices unique to…

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