Download Smog Inspector Level 1 Exam Questions with Complete Solutions 2024/25 and more Exams Petrochemistry in PDF only on Docsity!
Smog Inspector Level 1 Exam Questions
with Complete Solutions 2024/
What model year "Gasoline Vehicles" are subject to California's Smog Check Program? a. 1975 thru current model year b. 1776 thru current model year c. 1976 thru current model year d. 1976 thru 1999 model year - Correct Answer: 1976 through current model year What model year "Diesel Vehicles" are subject to California's Smog Check Program? a. 2000 thru current model year b. 1996 thru current model year c. 1998 thru 2016 model year d. 1998 thru current model year - Correct Answer: 1998 through current model year A 2005 Toyota Prius Hybrid is in for a Smog Inspection because of a Change of Ownership, how should the Smog Inspector proceed? a. Conduct an ASM Test b. Tell the new owner the vehicle does require a smog inspection c. Tell the new owner to make an appointment with the referee d. Conduct an OIS Test - Correct Answer: Conduct an OIS Test When conducting a Two Speed Idle Test on a 1989 Ford Mustang, how should the Smog Inspector Functionally test the EGR System? a. Manually lift the EGR Pintle and listen for an RPM drop b. Apply vacuum to the EGR and listen for an RPM drop c. Follow the manufacturers testing procedures d. Use a Bi-directional scan tool and listen for an RPM drop - Correct Answer: Follow the manufacturer's testing procedure's
What emission(s) does the PCV system reduce? a. H/C & CO b. H/C & CO c. H/C & NOx d. CO2 & CO - Correct Answer: HC and CO What emission(s) does an Oxidation Catalyst (OC) reduce? a. CO & CO b. H/C & CO c. Hydrogen d. NOx - Correct Answer: HC and CO A Diesel Vehicle is in for a smog inspection, but fuel is seen leaking onto the ground. If the smog check inspector feels the vehicle is safe for testing, how should he or she proceed? a. Test the vehicle and Fail the Vehicle for the Liquid Fuel Leak b. Test the vehicle and Pass the Vehicle regardless of the leak c. Ignore the leak and Test the Vehicle in accordance with OIS d. Ignore the leak and Test the Vehicle in accordance with EIS - Correct Answer: Ignore the leak and test the vehicle in accordance with OIS What emissions class of vehicles have an extended warranty on emissions components of 15 years and/or 150,000 miles? a. PKEV b. PLEV c. PSEV d. PZEV - Correct Answer: PZEV What emission(s) does an air system (pump or pulse) reduce? A. CO2 & H/C
A customer living in a basic area of the State of California brings their 1975 Ford Mustang in a for a smog inspection. What test and what machine should be used? a. EIS & TSI b. EIS & ASM c. OIS d. no test required - Correct Answer: no test required Diesel vehicles are tested on the EIS machine regardless of what area of the State the vehicle is registered in, true or false? - Correct Answer: false, they are tested on the OIS machine; 1998 and newer Carbon monoxide emissions are measured as a percentage of the exhaust and displayed as CO, true or false? - Correct Answer: true When a smog inspector inspects a 1992 vehicle visually, he or she finds the top of the exhaust gas recirculation (EGR) valve has been crushed down. How should the technician enter this into the EIS machine? a. defective for EGR b. modified for ECS c. modified for EGR d. tampered for ECS - Correct Answer: modified for EGR The vacuum line leading to the exhaust gas recirculation (EGR) valve has been rubbing on the intake manifold. The hose has a small leak in it as a result. How would the smog inspector enter this into the EIS machine? a. defective for EGR b. modified for EGR c. disconnected for EGR d. fail for EGR - Correct Answer: defective for EGR An evap system reduces HC emissions, true or false? - Correct Answer: true
A vehicle fails the OBD II portion of an ASM smog inspection for incomplete readiness monitors and no repairs have been recently performed. There are no diagnostic trouble codes stored in the vehicles computers. Which of the following actions should the smog inspector take next? a. advise the customer to drive the vehicle through a complete drive cycle b. advise the customer to have the vehicle diagnosed and possibly repaired c. advise the customer to see the state referee for a one time waiver d. advise the customer to have their vehicle retested by someone smarter - Correct Answer: advise the customer to have the vehicle diagnosed and possibly repaired A vehicle is in for a smog check inspection. It has two tailpipes showing from the rear of the vehicle. Upon closer inspection you notice the vehicle has a V style engine with two exhaust manifolds. The exhaust system has two catalytic converters and two mufflers. It has no blend pipe between the catalytic converters and/or mufflers joining the two exhausts systems together. How would this vehicle get entered into the EIS machine? a. single exhaust b. modified exhaust c. defective exhaust d. dual exhaust - Correct Answer: dual exhaust A vehicle is in for a smog check inspection. The technician notices the vehicle has a Canadian underhood label. The label makes no reference to California or Federal certification. How should the smog inspector proceed? a. test the vehicle as a California vehicle b. test the vehicle as a federal vehicle c. check for a BAR label and proceed accordingly - Correct Answer: Check for a BAR label and proceed accordingly A vehicle is in for a smog inspection in an enhanced area of the state. The vehicle is a min motorhome and the door jamb shows GVWR as 7960 lbs and a rear axle weight of 4500 lbs. How should the smog inspector proceed? a. conduct an ASM test b. conduct a TSI test c. refer the customer to another location
Of the four strokes of an internal combustion engine the ignition typically fires during the power stroke, true or false - Correct Answer: false, it fires on the compression stroke During the visual portion of an OBD II smog check inspection the smog check inspector sees an aftermarket catalytic converter installed. How should he or she proceed? a. fail the vehicle as modified under catalytic converter b. pass the vehicle because the catalytic converter is there c. research the new catalytic converter and proceed accordingly d. abort the test and refer the customer to the referee - Correct Answer: research the new catalytic converter and proceed accordingly What emission(s) does a TWC reduce? a. H/C, CO & Nitrogen b. H/C, CO & H2O c. H/C, CO & CO d. H/C, CO & NOx - Correct Answer: HC, CO and NOx What portion(s) of a smog check inspection are performed with the engine Running/Ready mode on a hybrid vehicle? a. visible smoke checks (idle tail pipe & BAR snap test) b. liquid fuel leak check c. ignition timing check d. all of the above - Correct Answer: liquid fuel leak check What emission(s) would a vehicle most likely fail for due to a lack of flow in the cooling system (radiator)? a. NOx b. H/C c. CO
d. all of the above - Correct Answer: NOx During a smog check inspection on a 1999 Ford F250 Diesel truck the smog check inspector sees the GVWR on the drivers door label as 14,050 lbs. How should he or she proceed? a. test the vehicle on OIS as its Diesel vehicle b. refuse the vehicle as it doesn't need to be tested c. test the vehicle on EIS as it's a Diesel vehicle d. refer the customer to the dealership for testing - Correct Answer: refuse the vehicle as it doesnt need to be tested Diesel powered vehicle require smog check inspections biannually after their purchase date, true or false? - Correct Answer: true Rotary powered vehicles require smog check inspections bi-annually (every two years) after their purchase date, true of false - Correct Answer: false, they fall under the 8 year rule A vehicle has no underhood label, after looking up the vehicle in the ECS guide it is determined that both Federal and California vehicles have the same emissions equipment, how should the smog check inspector proceed? a. enter the vehicle as a Federal vehicle b. look for a BAR referee label c. enter the vehicle as a California vehicle d. fail the vehicle under the Other Emissions Category - Correct Answer: enter the vehicle as a California vehicle When a gas cap is not present on a vehicle that is supposed to have one, how would the smog inspector enter this into the EIS machine? a. fail for EVAP b. missing for EVAP c. Pass for EVAP d. Modified for EVAP - Correct Answer: missing for evap
a. if any smoke is seen during the 2nd or 3rd BAR snap enter "Fail" b. if smoke lingers for 3 seconds on any of the 3 BAR snaps enter "Fail" c. if smoke is seen after 3 seconds on the 3rd BAR snap enter "Fail" d. if smoke is seen after 3 seconds on only the 1st BAR snap enter "Fail" - Correct Answer: if smoke is seen after 3 seconds on the 3rd BAR snap enter "fail" A smog check inspector license expires on the last day of your birth month every other year, true or false? - Correct Answer: true Currently to renew your smog check inspector license you must take a 16 hour update training course, true or false? - Correct Answer: false The three smog check program areas in the state of California are? a. enhanced, basic and change of ownership b. enhanced, basic and two speed idle c. enhanced, ASM and two speed idle d. republican, democratic and libertarian - Correct Answer: enhanced, basic, change of ownership Carbon Dioxide is measured as a percentage of exhaust emission and is displayed as CO2, true or false? - Correct Answer: true The exhaust gas recirculation (EGR) system on a 1994 Toyota truck fails its functional test (plugged ports), which emissions would the vehicle most likely produce more of? a. H/C b. CO c. CO d. NOx - Correct Answer: NOx Which of the following is the main purpose of the Fuel Evaporative system? a. provide an expansion space for CO emissions on a hot day
b. improve fuel economy and gas mileage by reburning NOx vapors c. prevent H/C vapors from entering the atmosphere d. prevent CO2 vapors from entering the atmosphere - Correct Answer: prevent hydrocarbon (H/C) vapors from entering the atmosphere What must the customer receive upon the completion of a smog inspection? a. a final invoice b. a copy of the vehicle inspection report c. their keys d. all of the above - Correct Answer: all of the above
