1.
ASE A7: HVAC and Engine Cooling System Service Diagnosis and Repair
What is the primary function of the radiator in an engine cooling system?
1 out of 50
2.
ASE A7: HVAC and Engine Cooling System Service Diagnosis and Repair
What is the primary function of the HVAC system's evaporator?
2 out of 50
3.
ASE A7: HVAC and Engine Cooling System Service Diagnosis and Repair
What could be a likely cause if the heater in a vehicle's HVAC system is blowing cold air instead of hot air?
3 out of 50
4.
ASE A7: HVAC and Engine Cooling System Service Diagnosis and Repair
Which component of the HVAC system is responsible for regulating the temperature of the air entering the passenger compartment?
4 out of 50
5.
ASE A7: HVAC and Engine Cooling System Service Diagnosis and Repair
What component in the HVAC system is responsible for regulating the blower motor speed?
5 out of 50
6.
ASE A7: HVAC and Engine Cooling System Service Diagnosis and Repair
Which component in the HVAC system is responsible for converting refrigerant from a gas to a liquid?
6 out of 50
7.
ASE A7: HVAC and Engine Cooling System Service Diagnosis and Repair
When diagnosing an HVAC system with poor cooling performance, what is the primary component to check?
7 out of 50
8.
ASE A7: HVAC and Engine Cooling System Service Diagnosis and Repair
In the HVAC system, what component is responsible for directing airflow to different vents, such as the defrost, floor, or dash vents?
8 out of 50
9.
ASE A7: HVAC and Engine Cooling System Service Diagnosis and Repair
If a vehicle's engine cooling system is losing coolant without any visible leaks, what should be checked first?
9 out of 50
10.
ASE A7: HVAC and Engine Cooling System Service Diagnosis and Repair
When diagnosing an HVAC system that blows air with an unusual odor, what is a common cause to check?
10 out of 50
11.
ASE A7: HVAC and Engine Cooling System Service Diagnosis and Repair
What component in the HVAC system is responsible for removing moisture from the cabin air?
11 out of 50
12.
ASE A7: HVAC and Engine Cooling System Service Diagnosis and Repair
What component in the HVAC system helps filter and purify the air entering the passenger compartment?
12 out of 50
13.
ASE A7: HVAC and Engine Cooling System Service Diagnosis and Repair
What is the purpose of the compressor in an automotive A/C system?
13 out of 50
14.
ASE A7: HVAC and Engine Cooling System Service Diagnosis and Repair
What is the purpose of the blower motor in an HVAC system?
14 out of 50
15.
ASE A7: HVAC and Engine Cooling System Service Diagnosis and Repair
What is the primary function of the thermostat in an engine cooling system?
15 out of 50
16.
ASE A7: HVAC and Engine Cooling System Service Diagnosis and Repair
In an HVAC system, what component is responsible for changing the direction of airflow (e.g., from defrost to dash vents)?
16 out of 50
17.
ASE A7: HVAC and Engine Cooling System Service Diagnosis and Repair
In the HVAC system, what is the purpose of the heater core?
17 out of 50
18.
ASE A7: HVAC and Engine Cooling System Service Diagnosis and Repair
Which of the following components in the HVAC system is responsible for adjusting the temperature of the air entering the passenger compartment?
18 out of 50
19.
ASE A7: HVAC and Engine Cooling System Service Diagnosis and Repair
Which of the following is a common refrigerant used in automotive air conditioning systems?
19 out of 50
20.
ASE A7: HVAC and Engine Cooling System Service Diagnosis and Repair
In an HVAC system, what component is responsible for regulating the flow of refrigerant and changing its state from a high-pressure gas to a low-pressure liquid?
20 out of 50
21.
ASE A7: HVAC and Engine Cooling System Service Diagnosis and Repair
Which component of the HVAC system is responsible for regulating the temperature of the air entering the passenger compartment?
21 out of 50
22.
ASE A7: Refrigeration System Component Diagnosis and Repair
What is the purpose of the evaporator in an automotive A/C system?
22 out of 50
23.
ASE A7: Refrigeration System Component Diagnosis and Repair
In the A/C system, what does the orifice tube control?
23 out of 50
24.
ASE A7: Refrigeration System Component Diagnosis and Repair
What component in the A/C system is responsible for regulating the flow of refrigerant into the evaporator?
24 out of 50
25.
ASE A7: Refrigeration System Component Diagnosis and Repair
What is the primary function of the compressor in an automotive A/C system?
25 out of 50
26.
ASE A7: Refrigeration System Component Diagnosis and Repair
Which refrigerant is commonly used in modern automotive A/C systems due to its environmentally friendly properties?
26 out of 50
27.
ASE A7: Refrigeration System Component Diagnosis and Repair
What component in the A/C system is responsible for filtering and removing moisture from the refrigerant?
27 out of 50
28.
ASE A7: Refrigeration System Component Diagnosis and Repair
Which A/C system component is responsible for changing the high-pressure gas refrigerant into a high-pressure liquid?
28 out of 50
29.
ASE A7: Refrigeration System Component Diagnosis and Repair
Which type of refrigerant is known for its high global warming potential (GWP) and is being phased out in many A/C systems?
29 out of 50
30.
ASE A7: Refrigeration System Component Diagnosis and Repair
In the A/C system, what is the purpose of the receiver-drier?
30 out of 50
31.
ASE A7: Refrigeration System Component Diagnosis and Repair
Which A/C system component is responsible for releasing heat absorbed from the cabin air?
31 out of 50
32.
ASE A7: Operating Systems and Related Controls Diagnosis and Repair
What is the primary function of the A/C control head in an automotive HVAC system?
32 out of 50
33.
ASE A7: Operating Systems and Related Controls Diagnosis and Repair
What is the purpose of the blower motor resistor in an A/C system?
33 out of 50
34.
ASE A7: Operating Systems and Related Controls Diagnosis and Repair
Which component in an A/C system is responsible for controlling the flow of refrigerant to the evaporator?
34 out of 50
35.
ASE A7: Operating Systems and Related Controls Diagnosis and Repair
What does the term "HVAC" stand for in automotive terminology?
35 out of 50
36.
ASE A7: Operating Systems and Related Controls Diagnosis and Repair
In an A/C system, what is the primary function of the blend door actuator?
36 out of 50
37.
ASE A7: Operating Systems and Related Controls Diagnosis and Repair
Which component in an A/C system is responsible for removing moisture from the refrigerant?
37 out of 50
38.
ASE A7: Operating Systems and Related Controls Diagnosis and Repair
Which type of refrigerant is commonly used in modern automotive A/C systems due to its environmental advantages?
38 out of 50
39.
ASE A7: Operating Systems and Related Controls Diagnosis and Repair
What is the primary function of the A/C compressor clutch?
39 out of 50
40.
ASE A7: Operating Systems and Related Controls Diagnosis and Repair
In an automotive A/C system, what is the primary purpose of the evaporator core?
40 out of 50
41.
ASE A7: Operating Systems and Related Controls Diagnosis and Repair
In an A/C system, what does the term "thermostat" typically refer to?
41 out of 50
42.
ASE A7: Operating Systems and Related Controls Diagnosis and Repair
What is the primary purpose of the heater core in an automotive HVAC system?
42 out of 50
43.
ASE A7: Operating Systems and Related Controls Diagnosis and Repair
What is the purpose of the recirculation door in an HVAC system?
43 out of 50
44.
ASE A7: Operating Systems and Related Controls Diagnosis and Repair
Which component is responsible for controlling the flow of coolant through the heater core in an automotive HVAC system?
44 out of 50
45.
ASE A7: Operating Systems and Related Controls Diagnosis and Repair
In an HVAC system, what is the primary purpose of the blower motor?
45 out of 50
46.
ASE A7: Operating Systems and Related Controls Diagnosis and Repair
Which component in an HVAC system is responsible for filtering the air entering the cabin?
46 out of 50
47.
ASE A7: Operating Systems and Related Controls Diagnosis and Repair
What is the primary function of the blower motor relay in an HVAC system?
47 out of 50
48.
ASE A7: Operating Systems and Related Controls Diagnosis and Repair
Which gas is typically used as a refrigerant in automotive HVAC systems?
48 out of 50
49.
ASE A7: Operating Systems and Related Controls Diagnosis and Repair
In an HVAC system, what does the term "mode door" refer to?
49 out of 50
50.
ASE A7: Operating Systems and Related Controls Diagnosis and Repair
Which component in an HVAC system is responsible for removing moisture from the air to defog the windows?
50 out of 50
