CAT 2

Which of the following below is NOT the safety for handling refrigerant?

• Avoid breathing refrigerant

• Wear eye protection

• Wear gloves

• Do not heat the refrigerant container

• Wear safety helmet

What is the suitable way to identify leak on the A/C system?

• Soap solution

• Infrared system

• Electronic leak detector

• Compression tester

• Ultraviolet fluorescent system

Which of the following sentences below is/are CORRECT?

• Low pressure pipeline is bigger with smaller valve

• Low pressure pipeline is smaller with smaller valve

• High pressure pipeline is bigger with bigger valve

• High pressure pipeline is smaller with bigger valve

What is the suitable working pressure for low pressure side?

• 12-20 bar

• 1-3 bar

• 12-20 psi

• 1-3 psi

• 5-7 bar

What is the suitable working pressure for high pressure side?

• 12-20 bar

• 1-3 bar

• 12-20 psi

• 1-3 psi

• 5-7 bar

What is the suitable pressure at rest for A/C system?

• 12-20 bar

• 1-3 bar

• 12-20 psi

• 1-3 psi

• 5-7 bar

Which of the following below is NOT the types of refrigerant used on vehicle?

• R134a

• R32

• R1234yf

• R410a

• R12

What is the component that shown in the diagram?

• Evaporator

• Condenser

• Radiator

• Heater core

• Intercooler

What is the component that shown in the diagram?

• Evaporator

• Condenser

• Radiator

• Heater core

• Intercooler

What is the component that shown in the diagram?

• Receiver drier

• Orifice tube

• Expansion valve

• Accumulator

• Pressure sensor