Enlist commonly used Instruments, Tools and Supplies for installation of RAC system.
[5 marks]What Safety Precautions are considering while installing Room Air Conditioner.
[5 marks]Why do we need to evacuate an air conditioning system or a refrigeration system?
[5 marks]Explain charging method with portable charging cylinder.
[5 marks]Write short note on Evacuation of refrigeration system.
[5 marks]Explain gas refrigerant charging in air conditioner.
[5 marks]Enlist the factors considered for selecting leak testing method
[5 marks]Enlist different types of leak detecting devices and explain any one in brief.
[5 marks]Explain Pressure testing for leak testing method.
[5 marks]Explain Refrigerant recovery method.
[5 marks]Write short note on Evacuation of refrigeration system.
[5 marks]Write Short note on Ventilation arrangement for window air conditioner.
[5 marks]Explain the air purging process.
[5 marks]Write Installation procedure of split air conditioner.
[5 marks]Explain in detail arrangement of Connecting the pipes and pipe insulations.
[5 marks]Write selection criteria for the mounting position of split air conditioner.
[5 marks]Explain mounting of Indoor unit of Split Air conditioner.
[5 marks]