Air Conditioning System

Which refrigerant use in vehicle air conditioning system?

• R-134yf

• R-12

• R-134a

• R-1234a

• R-1234yf

What is the Evaporation Temperature of the Refrigerant 134a?

• 100 Degree Celsius

• -26.3 Degree Celsius

• 26.3 Degree Celsius

• -100 Degree Celsius

What is the component that let the refrigerant change from Low Pressure Gas to High Pressure Gas?

• Compressor

• Condenser

• Expansion Valve

• Evaporator

• Dryer

How do we directly know which one is high pressure pipe or low pressure pipe?

• Pipe Location

• Pipe Material

• Pipe Condition

• Pipe Size

Which refrigerant is used by old car before 1994?

• R-22

• R-134a

• R-12

• R-32

• R-35

What is the component that let the refrigerant change from High Pressure Gas to High Pressure Liquid?

• Compressor

• Condenser

• Dryer

• Expansion Valve

• Evaporator

After Vacuum the Airconditioning system, what does it means when the pressure gauge increased?

• Means still have refrigerant inside the A/C System

• Means somewhere have leakage at the A/C System

• Means already done vacuuming

• Means the A/C System is in a good condition.

What is the component that let the refrigerant change from Low Pressure Liquid to Low Pressure Gas?

• Compressor

• Condenser

• Dryer

• Expansion Valve

• Evaporator

What are the function of a Compressor

• To Compress the Refrigerant

• To Expand the Refrigerant

• To give movement for the refrigerant

• To Evaporate the Refrigerant

• To Cooldown the refrigerant

What is the component that let the refrigerant change from High Pressure Liquid to Low Pressure Liquid?

• Compressor

• Condenser

• Dryer

• Expansion Valve

• Evaporator