#1
Which component is responsible for cooling the air in an automotive climate control system?
Evaporator
ExplanationEvaporator cools incoming air by absorbing heat.
#2
What does HVAC stand for in the context of automotive systems?
Heat, Ventilation, and Air Conditioning
ExplanationHVAC refers to systems managing heat, ventilation, and air conditioning.
#3
Which refrigerant is commonly used in modern automotive climate control systems?
R-134a
ExplanationR-134a is a common refrigerant in modern automotive systems.
#4
What is the purpose of the evaporator core in an automotive climate control system?
To cool down the incoming air
ExplanationEvaporator core cools air by removing heat.
#5
What is the purpose of the blower motor in an automotive climate control system?
To circulate air through the system
ExplanationBlower motor circulates air within the system.
#6
Which of the following is NOT a common mode in automotive climate control systems?
Dehumidifier mode
ExplanationDehumidifier mode is not commonly found.
#7
What does the term 'dual-zone climate control' mean in automotive terminology?
The system has separate temperature controls for the driver and passenger sides
ExplanationDual-zone control allows independent temperature settings.
#8
Which gas is responsible for the greenhouse effect in automotive air conditioning systems?
Chlorofluorocarbons (CFCs)
ExplanationCFCs contribute to the greenhouse effect.
#9
Which sensor is commonly used to measure the interior temperature in a car's climate control system?
Thermistor
ExplanationThermistors are commonly used to measure temperature.
#10
What is the function of the compressor in an automotive air conditioning system?
To pressurize the refrigerant
ExplanationCompressor pressurizes refrigerant for cooling.
#11
Which component in an automotive climate control system is responsible for controlling the flow of refrigerant?
Expansion valve
ExplanationExpansion valve regulates refrigerant flow.
#12
What is the primary function of the cabin air filter in a car's climate control system?
To improve air quality
ExplanationCabin air filter enhances air quality by trapping particles.
#13
What is the purpose of the receiver-dryer in an automotive air conditioning system?
To remove moisture from the refrigerant
ExplanationReceiver-dryer removes moisture from refrigerant.
#14
In automotive climate control systems, what does 'defrost mode' primarily do?
Increases airflow to the windshield to clear fog and ice
ExplanationDefrost mode clears windshield by increasing airflow.