ASE A7 - Heating & Air Conditioning
Questions
Technician A says that some cabin filters are accessible behind the glove compartment.
Technician B says that some cabin filters are accessible from under the hood. Which
technician is correct?
a. Technician A only
b. Technician B only
c. Both Technicians A and B
d. Neither Technician A nor B - answerc. Both Technicians A and B
The blower motor resistors are used to limit ________ to the motor.
a. Voltage
b. Current
c. Airflow
d. Both a and b - answerb. Current
Which is not part of a rear air-conditioning system?
a. Rear evaporator
b. Rear heater core
c. Rear AC compressor
d. Rear blower motor - answerc. Rear AC compressor
What components in the air-conditioning system may be different on a hybrid electric
vehicle?
a. Evaporator
b. Compressor
c. Condenser
d. Blower motor - answerb. Compressor
Technician A says that heat is measured in degrees. Technician B says that
temperature is measured in degrees. Which technician is correct?
a. Technician A only
b. Technician B only
c. Both Technicians A and B
d. Neither Technician A nor B - answerb. Technician B only
, When the defrost setting is selected, the air-conditioning compressor operates.
a. True
b. False - answerb. False
Where in the air-conditioning system is the refrigerant a low-pressure gas?
a. Condenser outlet
b. Evaporator outlet
c. Evaporator inlet
d. Condenser inlet - answerb. Evaporator outlet
Where in the air-conditioning system is the refrigerant a high-pressure liquid
a. Condenser outlet
b. Evaporator outlet
c. Evaporator inlet
d. Condenser inlet - answera. Condenser outlet
The compressor operates continuously with which type of system controls?
a. Orifice tube
b. POA/EPR - answerb. POA/EPR
Technician A says that all HFC-134a uses the same refrigerant oil. Technician B says
that refrigerant oil, regardless of type, must be kept in a sealed container to keep it from
absorbing moisture from the air. Which technician is correct?
a. Technician A only
b. Technician B only
c. Both Technicians A and B
d. Neither Technician A nor B - answerb. Technician B only
A front-wheel-drive vehicle has a broken condenser line. What other vehicle component
may also be defective that could have caused the condenser line to break?
a. Shock absorber
b. Engine mounts
c. Cooling fan
d. Air-conditioning compressor drive belt - answerb. Engine mounts
Clear water is observed dripping out from beneath the evaporator. Technician A says
that is normal. Technician B says that the evaporator housing is defective and should be
replaced. Which technician is correct?
a. Technician A only
Questions
Technician A says that some cabin filters are accessible behind the glove compartment.
Technician B says that some cabin filters are accessible from under the hood. Which
technician is correct?
a. Technician A only
b. Technician B only
c. Both Technicians A and B
d. Neither Technician A nor B - answerc. Both Technicians A and B
The blower motor resistors are used to limit ________ to the motor.
a. Voltage
b. Current
c. Airflow
d. Both a and b - answerb. Current
Which is not part of a rear air-conditioning system?
a. Rear evaporator
b. Rear heater core
c. Rear AC compressor
d. Rear blower motor - answerc. Rear AC compressor
What components in the air-conditioning system may be different on a hybrid electric
vehicle?
a. Evaporator
b. Compressor
c. Condenser
d. Blower motor - answerb. Compressor
Technician A says that heat is measured in degrees. Technician B says that
temperature is measured in degrees. Which technician is correct?
a. Technician A only
b. Technician B only
c. Both Technicians A and B
d. Neither Technician A nor B - answerb. Technician B only
, When the defrost setting is selected, the air-conditioning compressor operates.
a. True
b. False - answerb. False
Where in the air-conditioning system is the refrigerant a low-pressure gas?
a. Condenser outlet
b. Evaporator outlet
c. Evaporator inlet
d. Condenser inlet - answerb. Evaporator outlet
Where in the air-conditioning system is the refrigerant a high-pressure liquid
a. Condenser outlet
b. Evaporator outlet
c. Evaporator inlet
d. Condenser inlet - answera. Condenser outlet
The compressor operates continuously with which type of system controls?
a. Orifice tube
b. POA/EPR - answerb. POA/EPR
Technician A says that all HFC-134a uses the same refrigerant oil. Technician B says
that refrigerant oil, regardless of type, must be kept in a sealed container to keep it from
absorbing moisture from the air. Which technician is correct?
a. Technician A only
b. Technician B only
c. Both Technicians A and B
d. Neither Technician A nor B - answerb. Technician B only
A front-wheel-drive vehicle has a broken condenser line. What other vehicle component
may also be defective that could have caused the condenser line to break?
a. Shock absorber
b. Engine mounts
c. Cooling fan
d. Air-conditioning compressor drive belt - answerb. Engine mounts
Clear water is observed dripping out from beneath the evaporator. Technician A says
that is normal. Technician B says that the evaporator housing is defective and should be
replaced. Which technician is correct?
a. Technician A only
