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BAR Smog Exam 2 Review: Testing And Inspection – Questions And Answers
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BAR Smog Exam 2 Review: Testing And Inspection – Questions And Answers
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BAR Smog Exam 2 Review: Testing And Inspection –Questions And Answers
If the MIL flashes during the test, but performs as required when prompted by
the machine, what would be the entry into the machine? Right Ans - (P)
Pass
How is non-adjustable timing entered into the EIS during the Ignition Timing
Functional Test? Right Ans - (N) for N/A or Non-applicable
How would you enter the results of a LPFET if the canister is not accessible
without disassembling or raising the vehicle? Right Ans - (N) for N/A or
Non-applicable
At what temperature does NOx begin to increase significantly? Right Ans -
2500 Degrees Fahrenheit
What running condition will cause CO emissions to elevate? Right Ans -
Rich Condition
What running condition will cause HC emissions to elevate? Right Ans -
Misfire (Fuel, Ignition, or Compression)
When combined in the presence of sunlight, what two emissions are the main
contributors to photochemical smog Right Ans - HC & NOx
What do CO2 readings of 13.5-15.5% indicate? Right Ans - Good
Combustion Efficiency
If an EGR valve is opened at idle, either by supplying vacuum, grounding a
solenoid or physically lifting the diaphragm, what should occur? Right Ans
- RPM should drop or engine should die.
What happens to Oxygen levels as CO increases Right Ans - Oxygen levels
Decrease
What happens to Oxygen levels as CO decreases Right Ans - Oxygen levels
Increase
, Should a technician hook up a scan tool to check for codes and monitors prior
to performing an inspection? Right Ans - No
Prior to an inspection, how can the technician ensure the vehicle is warmed
up properly? Right Ans - Check upper and lower hoses, cycling of cooling
fan, or inspect the temp gauge.
When a second source of ignition occurs prior to the firing of the spark plug, it
is called _________. Right Ans - Preignition
When a second source of ignition occurs after the firing of the spark plug, it is
called _________. Right Ans - Detonation
A vehicle has excessive dilution due to holes in the exhaust. What should you
do? Right Ans - Insert the probe into the hole, as long as it is after the
catalytic converter.
What must be done prior to renewing an inspector license? Right Ans -
Complete the online inspector update training found on the BAR website?
What should be done if a vehicle overheats during an ASM emissions
inspection? Right Ans - Abort the test
In order for an oxidation catalyst to operate properly, what is required?
Right Ans - Oxygen and heat
When performing an ASM emissions inspection, what emission is measured
that is not measured during a TSI inspection Right Ans - NOx
What is the acronym for gross vehicle weight rating? Right Ans - GVWR
Under what driving conditions are NOx the highest? Right Ans -
Acceleration and Cruise
What gear should be used when performing an ASM on a vehicle equipped
with a manual transmission? Right Ans - 2nd gear, if possible
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