Question 1

What is the purpose of an accumulator in an automotive HVAC system?

Accepted Answer

To store excess liquid refrigerant and prevent it from entering the compressor

Answer

To increase the pressure of refrigerant before it enters the evaporator

Answer

To filter out impurities from the refrigerant

Answer

To regulate the flow of refrigerant to the condenser

Question 2

Which metering device in an automotive HVAC system is designed to store excess liquid refrigerant and prevent it from entering the compressor?

Accepted Answer

Receiver drier

Answer

Capillary tube

Answer

Thermal expansion valve

Answer

Compressor

Question 3

What is the main function of a suction throttling valve in an automotive HVAC system?

Accepted Answer

To regulate the flow of refrigerant vapor to the compressor suction line

Answer

To store excess refrigerant in case of system overload

Answer

To increase the pressure of refrigerant before it enters the evaporator

Answer

To control the temperature of refrigerant before it reaches the condenser

Question 4

Which metering device in an automotive HVAC system is sometimes known as a TXV?

Accepted Answer

Thermal expansion valve

Answer

Receiver drier

Answer

Orifice tube

Answer

Accumulator

Question 5

What is the purpose of a receiver drier in an automotive HVAC system?

Accepted Answer

To remove moisture and filter debris from the refrigerant

Answer

To regulate the flow of refrigerant to the evaporator

Answer

To increase the pressure of the refrigerant before it enters the condenser

Answer

To cool down the refrigerant before it reaches the compressor

Question 6

Which HVAC metering device in an automotive system is responsible for separating liquid refrigerant from vapor before it enters the compressor?

Accepted Answer

Accumulator

Answer

Thermal expansion valve

Answer

Receiver drier

Answer

Orifice tube

Question 7

What is the function of a capillary tube in an automotive HVAC system?

Accepted Answer

To regulate refrigerant flow by restricting it through a small diameter tube

Answer

To filter out impurities from the refrigerant

Answer

To pressurize the refrigerant before it enters the condenser

Answer

To increase the temperature of the refrigerant before it reaches the evaporator

Question 8

Which metering device in an automotive HVAC system is characterized by having a variable opening that adjusts based on system demand?

Accepted Answer

Thermal expansion valve

Answer

Suction throttling valve

Answer

Capillary tube

Answer

Fixed orifice tube

Question 9

What is the purpose of an orifice tube in an automotive HVAC system?

Accepted Answer

To regulate refrigerant flow and reduce pressure

Answer

To store excess refrigerant

Answer

To heat up the refrigerant before it reaches the compressor

Answer

To cool the refrigerant before it enters the evaporator

Question 10

Which metering device in an automotive HVAC system is responsible for regulating the flow of refrigerant to the evaporator?

Accepted Answer

Expansion valve

Answer

Condenser

Answer

Compressor

Answer

Accumulator

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