EXAM 150 QUESTIONS AND CORRECT DETAILED
ANSWERS |SMOG CHECK INSPECTOR EXAM
CALIFORNIA ALREADY GRADED A+
If a vehicle is not at normal operating temperature the vehicles may either be ___
or ___. - CORRECT ANSWER ✔✔- Idled or driven normally as necessary to achieve
normal operating temperature
Which type of vehicles excluding hybrids (electric) must be tested for visible
smoke? - CORRECT ANSWER ✔✔- Gasoline and Diesel
What is the BAR snap test ? - CORRECT ANSWER ✔✔- Quickly push and release
the accelerator pedal from idle position to between 2,000- 3,000 RPM then
immediately allow the engine to return to idle.
What is an under hood emission control label? Indicates the vehicles ___? -
CORRECT ANSWER ✔✔- Certification type ( California or Federal)
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
For gasoline powered vehicles with stop-start systems, the inspector shall visually
inspect for ___? And in what position ? - CORRECT ANSWER ✔✔- Liquid fuel leaks
and key on engine off (KOEO)
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,A SPCNS vehicle may be built from ? (3 things ) - CORRECT ANSWER ✔✔- Kit cars,
new or used parts, dismantled vehicles that are reconstructed but do not
resemble the original make
Vehicles 95' and older are tested on which machine ? - CORRECT ANSWER ✔✔-
OBD 1
Vehicles 96' and newer are tested on which machine ? - CORRECT ANSWER ✔✔-
OBD II
Gasoline vehicles 76' to 99' are tested on which machine ? - CORRECT ANSWER
✔✔- BAR 97
2000 and newer are tested on which machine ? - CORRECT ANSWER ✔✔- OIS
98 and newer diesel vehicles are tested on which machine ? - CORRECT ANSWER
✔✔- OIS
What does the crankcase test consist of? 👀💨 and for how long? - CORRECT
ANSWER ✔✔- Observe the engine crankcase for 10 seconds
A certification of compliance is not required for which type of vehicles ? -
CORRECT ANSWER ✔✔- Government fleet vehicles
Who qualifies for a waiver ? 🇺🇸 - CORRECT ANSWER ✔✔- Military personnel
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, Change of ownership area 76' to 99' MY vehicles are subject to what kind of
emissions test ? Hint: tailpipe - CORRECT ANSWER ✔✔- 2 speed idle test
No repairs or diagnoses can be performed at a TEST ONLY station except for
minor repairs such as ..? - CORRECT ANSWER ✔✔- The reconnection of hoses and
vacuum lines
When applicable a directed vehicles may also be certified where ? - CORRECT
ANSWER ✔✔- Bar referee facility
If a vehicle fails smog, and get the needed repairs done, which station should they
refer back to ? - CORRECT ANSWER ✔✔- Any STAR certified station
Directed vehicles can only receive a smog check certification from which stations
?? - CORRECT ANSWER ✔✔- Star test only and star test repair
A certificate of compliance is required whenever a vehicle changes ownership
except when the vehicle is being transferred between ? - CORRECT ANSWER ✔✔-
Family (parent,child,spouse,) companies, lessor and lessee
What are three main reasons to reject a vehicle from performing an initial initial
inspection ? - CORRECT ANSWER ✔✔- Excessive fluid leaks, engine overheating,
unsafe drive axle tire or wheel (dyno test only)
While performing a visual inspection an inspector observes there is no EGR
amplifier even though one is shown on the under hood emission label. The EGR
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