Smog Inspector Study Guide BAR Exam
Questions and Answers
Question 1
Number of incomplete monitors allowed to pass the OBD test for 2000 and newer
gasoline vehicles is ..?
Correct Answer
EVAP system
Question 2
Which type of vehicles excluding hybrids (electric) must be tested for visible smoke?
Correct Answer
Gasoline and Diesel
Question 3
Which of the following is NOT considered a sub system of the computerized emission
control system ?
Correct Answer
Antilock brake module
Question 4
Missing or modified air intake ducting affecting MAF sensor readings
Correct Answer
Fail under "Other Emission-Related"
Page 1 of 46
,Question 5
A three way catalytic converter reduces what emissions?
Correct Answer
HC, CO, NOx (Hydrocarbon, Carbon monoxide, Oxide of Nitrogen)
Question 6
What should Smog Check Station do if they're unable to make a certain repairs on
customer's vehicle?
Correct Answer
They shall disclose to the customer verbally and in writing before fixing the vehicle.
Question 7
Does a missing or ilegible emission control label constitute in an inspection failure?
Correct Answer
No, you can proceed with the inspection provided that the required emission
controls can be determined using other sources
Question 8
If a vehicle fails smog, and get the needed repairs done, which station should they
refer back to ?
Correct Answer
Any STAR certified stations
Question 9
When calibrating the EVAP machine what do you need to do ?
Correct Answer
Attach the red hose to the machine need to open up the compressed nitrogen
Page 2 of 46
,Question 10
What actions should the inspector take on Specially Constructed (SPCNS) Vehicle that
comes in for a Smog Check?
Correct Answer
The inspector should first check for the BAR Referee label on the vehicle, then
proceed with the inspection.
Question 11
Which of the following functions is controlled by the spark control system ?
Correct Answer
Ignition timing
Question 12
Where can the customer go to dispute if they do not agree with the smog inspection
result at a smog check station?
Correct Answer
BAR Referee Center
Question 13
The clearance (GAP) from any wheel to side rollers on the dynamometer is:
Correct Answer
3 to 5 inches
Question 14
Repair Cost Waiver do not apply to the following:
Correct Answer
Vehicles that are undergoing transfer of ownership.
Vehicles with tampered emission control equipment.
Vehicles that received a cost waiver for previous biennial inspection.
Page 3 of 46
, Question 15
Vehicles 96' and newer are tested on which machine ?
Correct Answer
OBD II
Question 16
2000 and newer are tested on which machine ?
Correct Answer
OIS
Question 17
The City owned vehicle is coming to the smog check station, upon the order write up,
the customer dose not have BAR file number, how does the inspector proceed with
the inspection?
Correct Answer
Inform the customer/agency they need to provide the correct BAR fleet file number
before proceeding under the "government fleet" classification.
Question 18
During ASM test the vehicle starting to overheat, what should the inspector check?
Correct Answer
abort test and the inspector should FIRST check the fan belt
Question 19
98 and newer diesel vehicles are tested on which machine ?
Correct Answer
OIS
Page 4 of 46
Questions and Answers
Question 1
Number of incomplete monitors allowed to pass the OBD test for 2000 and newer
gasoline vehicles is ..?
Correct Answer
EVAP system
Question 2
Which type of vehicles excluding hybrids (electric) must be tested for visible smoke?
Correct Answer
Gasoline and Diesel
Question 3
Which of the following is NOT considered a sub system of the computerized emission
control system ?
Correct Answer
Antilock brake module
Question 4
Missing or modified air intake ducting affecting MAF sensor readings
Correct Answer
Fail under "Other Emission-Related"
Page 1 of 46
,Question 5
A three way catalytic converter reduces what emissions?
Correct Answer
HC, CO, NOx (Hydrocarbon, Carbon monoxide, Oxide of Nitrogen)
Question 6
What should Smog Check Station do if they're unable to make a certain repairs on
customer's vehicle?
Correct Answer
They shall disclose to the customer verbally and in writing before fixing the vehicle.
Question 7
Does a missing or ilegible emission control label constitute in an inspection failure?
Correct Answer
No, you can proceed with the inspection provided that the required emission
controls can be determined using other sources
Question 8
If a vehicle fails smog, and get the needed repairs done, which station should they
refer back to ?
Correct Answer
Any STAR certified stations
Question 9
When calibrating the EVAP machine what do you need to do ?
Correct Answer
Attach the red hose to the machine need to open up the compressed nitrogen
Page 2 of 46
,Question 10
What actions should the inspector take on Specially Constructed (SPCNS) Vehicle that
comes in for a Smog Check?
Correct Answer
The inspector should first check for the BAR Referee label on the vehicle, then
proceed with the inspection.
Question 11
Which of the following functions is controlled by the spark control system ?
Correct Answer
Ignition timing
Question 12
Where can the customer go to dispute if they do not agree with the smog inspection
result at a smog check station?
Correct Answer
BAR Referee Center
Question 13
The clearance (GAP) from any wheel to side rollers on the dynamometer is:
Correct Answer
3 to 5 inches
Question 14
Repair Cost Waiver do not apply to the following:
Correct Answer
Vehicles that are undergoing transfer of ownership.
Vehicles with tampered emission control equipment.
Vehicles that received a cost waiver for previous biennial inspection.
Page 3 of 46
, Question 15
Vehicles 96' and newer are tested on which machine ?
Correct Answer
OBD II
Question 16
2000 and newer are tested on which machine ?
Correct Answer
OIS
Question 17
The City owned vehicle is coming to the smog check station, upon the order write up,
the customer dose not have BAR file number, how does the inspector proceed with
the inspection?
Correct Answer
Inform the customer/agency they need to provide the correct BAR fleet file number
before proceeding under the "government fleet" classification.
Question 18
During ASM test the vehicle starting to overheat, what should the inspector check?
Correct Answer
abort test and the inspector should FIRST check the fan belt
Question 19
98 and newer diesel vehicles are tested on which machine ?
Correct Answer
OIS
Page 4 of 46
