Room Air-Conditioner (RAC) Exam

Service Centre Name

Full Name (First Name, Last Name)

What is the heart of an air-conditioner system?

• Compressor
• Condenser
• Expansion valve
• Evaporator

This technology produce variable speed control in the RPM of the compressor.

• Conventional
• AC Motor
• Inverter Technology
• None of the above

What are the common causes of water leak in the Indoor Unit?

• Dirty Evaporator
• Clogged Drain System
• A & B are correct
• A only is correct

Advisable pipe length from Indoor to Outdoor?

• 20 ft
• 5 ft
• 10-15 ft
• 25 ft

Upon Installation, what should be done with the system if you have more than 15 m pipe connection from indoor to outdoor?

• Discharge Refrigerant from the system
• The system is fine, there is nothing to be done
• Add refrigerant to the system
• A & B is Correct

First thing to check when you encounter "No Power" Problem?

• Voltage Supply in Circuit Breaker
• Input voltage in mainboard
• Communication Line continuity
• None of the above

Normal cause of rust quick formation on condenser or evaporator pipe?

• The unit location is near creeks, river or sea.
• The unit location is near public road or air polluted area
• No proper maintenance
• All of the above

What will possibly happen if the EEV Valve is damage?

• Abnormal refrigerant flow
• It may damage the compressor
• There will be no cold air coming out from the unit
• All of the above