RAC-Refrigeration and Air Conditioning Practice Exam

RAC (Refrigeration and Air Conditioning) is the part of engineering which focuses on maintaining a desired temperature in a specific location by using refrigeration systems and air conditioners. RAC includes heat transfer, refrigeration cycles, and air conditioning systems which helps in maintaining a desired temperature and humidity. This helps in providing  comfort, as well as has industrial applications. RAC systems are used in homes, offices, factories, and vehicles for temperature control.

Certification in RAC-Refrigeration and Air Conditioning certifies your skills and knowledge in installing, maintaining, and troubleshooting refrigeration and air conditioning systems. This certification assess you in mechanical, electrical, and thermodynamic principles as well as RAC systems and their components.

Why is RAC-Refrigeration and Air Conditioning certification important?

• Increases your job prospects in the growing HVAC industry.
• Shows your professional competency and expertise in handling RAC systems.
• Increases your trust with employers and clients.
• Provides you a pathway for advanced roles in HVAC systems.
• Boosts your technical skills to maintain and repair RAC equipment.
• Offers you opportunities for higher wages.

Who should take the RAC-Refrigeration and Air Conditioning Exam?

• HVAC Technicians
• Refrigeration Technicians
• Air Conditioning Engineers
• Mechanical Technicians
• Service Technicians
• Field Technicians
• Installation and Maintenance Engineers
• System Designers for HVAC/R
• Refrigeration Sales Engineers
• Facilities Managers

Skills Evaluated

Candidates taking the certification exam on the RAC-Refrigeration and Air Conditioning is evaluated for the following skills:

• Knowledge of refrigeration and air conditioning systems and components.
• Ability to install, maintain, and troubleshoot RAC systems.
• Understanding of the thermodynamics and mechanics behind cooling and heating processes.
• Skills to perform system diagnostics, repairs, and routine maintenance.
• Understanding of safety protocols and environmental impact, including refrigerant handling.
• Proficiency in the use of tools, equipment, and diagnostic instruments specific to RAC systems.
• Knowledge of relevant standards and codes for RAC systems, such as energy efficiency and environmental regulations.
• Ability to conduct performance checks and optimize system performance.

RAC-Refrigeration and Air Conditioning Certification Course Outline
The course outline for RAC-Refrigeration and Air Conditioning certification is as below -

 

Domain 1 - Refrigeration and Air Conditioning Basics

• Basic principles
  
• Heat transfer, temperature control, and humidity
  
• Refrigeration cycles types
  

 

Domain 2 - RAC Systems Components

• Compressors, condensers, evaporators, and expansion devices.
• Refrigerants
  
• Heat exchangers
• Cooling towers.

 

Domain 3 - RAC Systems Installation

• Site evaluation
  
• Correct installation
• Plumbing, electrical, and mechanical integration.

 

Domain 4 - RAC Systems Operation and Maintenance

• Operating procedures
• System start-up.
• Preventive maintenance
  
• Troubleshooting
  

 

Domain 5 - Refrigerant Handling and Environmental Concerns

• Types of refrigerants used in RAC systems.
• Regulations related to refrigerant recovery, recycling, and disposal.
• Environmental impact of refrigerants and energy efficiency.

 

Domain 6 - Diagnostics and Troubleshooting

• Identify issues in
  
• Diagnostic tools
  
• Repair techniques
  

 

Domain 7 - Energy Efficiency and Performance Optimization

• Energy-saving
  
• Optimizing system performance
  
• System performance troubleshooting
  

 

Domain 8 - Safety Standards and Compliance

• Workplace safety practices for RAC technicians.
• Occupational health standards related to RAC work.
• Compliance with industry regulations and standards.