Smog Check Manual – Visual Inspection Practice Test

These questions are part of the practice quiz. Start practicing

• What EVAP items are typically checked in the VI?
• How should severe corrosion on an emission component be documented?
• What action is taken when a heat shield is missing or compromised during VI?
• Which source is most directly used to verify vacuum hose routing diagrams in emission control systems?
• For most gasoline-powered vehicles, how shall the liquid fuel leak inspection be conducted?
• What would be a visual sign of a bypassed catalytic converter?
• Does a missing or illegible emission control label constitute an inspection failure?
• What is the role of the exhaust system mounting hardware during a visual inspection?
• How should a vehicle with a partially obscured emission component be handled?
• If a liquid fuel leak presents a safety hazard, how should the inspector proceed?
• How is a cracked engine vacuum hose identified visually?
• Which after-treatment system must be visually inspected to reduce NOx emissions?
• Where should the Aftermarket Parts Label be affixed?
• Which source gives information about labels that appear on aftermarket components?
• How should you record a component that is present but damaged?
• What action is recommended if a vehicle shows no obvious emission-control issues but the VIN is tampered?
• SCR stands for which phrase?
• Which item is not typically checked during EVAP visual inspection?
• Which item is used to aid the visual inspection for leaks?
• During the visual inspection, which statement about emission-control systems is NOT an expected requirement?
• What term describes an emissions control system or component that is missing, modified, or disconnected?
• Which item must be recorded on the VIR if a leak is found?
• How is 'liquid fuel leak' defined?
• Which set of components is listed as part of the Other Emission Related Components/Systems category for visual inspection?
• What is the recommended approach when you observe a damaged component that is still present?
• What must the inspector do if a vehicle is equipped with parts that modify the original emission control configuration?
• Which item is a source inspectors may use to check for official recalls related to emission controls?
• Which practice best ensures VI consistency across inspectors?
• What would visually indicate an EVAP bypass or removal?
• Are hybrid vehicles inspected for liquid fuel leaks?
• What is a key sign of gas cap tampering in the VI?
• Which option describes a sign of overheating that could indicate a fault?
• The Underhood Emission Control Label provides information on which of the following?
• Which of the following is a component that must be visually inspected under the Other Emission Related Components/Systems category?
• If persistent dirt prevents confirming the integrity of an emission component, what is the appropriate action?
• Which component must be inspected as part of the liquid fuel leak inspection?
• Which term applies to a component that has been replaced with a non-manufacturer component for street use on the vehicle?
• Which component is used to regulate fuel pressure in the system during the leak inspection?
• On some diesel-powered vehicles, where is a second emission control label commonly affixed?
• If the emission label is illegible but other sources can determine controls, which action is appropriate?
• What must be checked regarding the exhaust system mounting?
• Under which category are Cylinder Heads visually inspected?
• What is checked about O2 sensors other than presence?
• If parts that modify the original emission control configuration are not CARB approved or exempted, what are the inspection results?
• Can a vehicle with a BAR Referee label be inspected and certified at a licensed Smog Check station?
• Why are EVAP system components visually inspected?
• For the EIS BAR 97, the results of which test are documented in the Other Emissions Related Components field?
• Which missing component is most strongly associated with major non-compliance when absent?
• BAR Referee label in relation to vehicle types is applicable to which of the following statements?
• What is checked about vacuum line routing during the inspection?
• Which items are checked to ensure the EVAP system is present during the VI?
• Which four emissions control systems are visually inspected on gasoline-powered vehicles but not on diesel-powered vehicles?
• Which source is considered a reliable reference from manufacturers for emission control requirements?
• What is a required condition for heat shields during the VI?
• Which crankcase emission controls are visually inspected on diesel vehicles?
• Not Applicable is not permissible for which type of emission control system?
• Which engine component related to boosted induction is included in the inspection list?
• What documentation is typically required after a failed VI?
• What is the primary purpose of the Smog Check Visual Inspection (VI)?
• Which device that provides forced induction is included in the visual inspection list?
• Inspectors must use all available information necessary to determine the vehicle's emission control requirements, including but not to which of the following sources?
• Which safety precautions are essential during the VI?
• Which term describes a component not present on the vehicle because it was removed?
• Why is corrosion or rust on emission components a concern during a visual inspection?
• Any normal wear, deterioration, or unintentional disturbance that will affect the operation of an emission control component or system.
• What tools and equipment are used during the liquid fuel leak inspection?
• Which of the following is a valid item to be inspected during the liquid fuel leak inspection?
• How should a missing EVAP canister line be documented during VI?
• During VI, what action is taken if the emission-control label is missing or illegible?
• What should be done if cleaning cannot verify the integrity due to dirt?
• Which statement correctly describes the use of the BAR Referee label during inspection?
• Where should heat shields be inspected?
• What number on the aftermarket parts label can be used to verify CARB approval or exemption?
• Identify a component that must be inspected as part of the liquid fuel leak inspection.
• How is the AIR system treated in older vehicles during the VI?
• Which of the following statements best describes how O2 sensor wiring is evaluated during the VI?
• Which statement about observing for leaks during the visual inspection is true?
• Which statement best describes the role of heat shields in protecting components?
• How is a missing or damaged heat shield recorded in the VI?
• Which arrangement describes the typical O2 sensor placement relative to the catalytic converter?
• What is the final outcome if a VI passes?
• Which component is listed as part of the Other Emission Related Components/Systems category for visual inspection?
• What is the visual cue for an EVAP bypass or removal?
• Which component commonly inspected in the liquid fuel leak inspection is associated with emissions control?
• If cleaning cannot confirm the integrity of an emission component, what should the inspector do?
• Which after-treatment system is used to reduce NOx emissions in diesel vehicles?
• Which source would provide information about aftermarket parts labeling used for emission control components?
• Which action is not an acceptable option when dirt obscures emission components and cannot be cleaned to confirm integrity?
• What would indicate a vacuum leak visually during the VI?
• Which statement best describes the liquid fuel leak inspection process?
• What is the primary purpose of the heat shield during a visual inspection?
• How are the VI results typically recorded?
• Which of the following is NOT a type of vehicle for which you should look for a BAR Referee label?
• What is the required outcome if VIN tampering is suspected during VI even when no other issues are apparent?
• Which of the following is not part of the crankcase emission controls on diesel vehicles?
• How should the inspector proceed in cases where the emission control label is missing or illegible?
• After a vehicle fails the visual inspection in the Other Emission Related Components category, what must the inspector document on the VIR?
• Which listing includes information on modifications necessary and acceptable for installation of a part, kit, or system?
• Which source would be best for general guidance from manufacturers on emission control requirements and practical repair?
• What action in the VI would indicate a tampered VIN?
• What is the overarching goal of the visual inspection in the Smog Check process?
• What is recommended to ensure VI consistency across different inspectors?
• How should the VI results be recorded in the inspection system after a pass?
• Which option best summarizes the heat shield's protective purpose?
• Which finding would be considered an official tampering finding in VI?
• Under which category do Add-On Aftermarket Parts visually inspected?
• What gas-cap condition is evaluated in the VI?
• Which term covers a component that has been changed so that there is no capacity for connection with or operation of other emissions control components or systems?
• What documentation is typically required after a failed VI?
• Which option correctly expands the acronym DPF?
• What effect does a missing oxygen sensor have on subsequent emissions testing?
• Which component must be inspected as part of the liquid fuel leak inspection?
• What should the inspector do if there is soot at the exhaust joint?
• Which finding would strongly indicate tampering with the emission-control system during a visual inspection?
• Should the inspector perform disassembly of the vehicle to inspect for liquid fuel leaks?
• Where should oxygen sensors be found on most vehicles?
• Which source would inspectors consult for emission control manuals to determine requirements?
• What must be true about the original configuration for catalysts, filters, and traps to pass visual inspection?
• For gasoline-powered hybrid vehicles and vehicles with stop-start systems, what readiness states are acceptable to complete the liquid fuel leak inspection?
• Which description best reflects the primary objective of the Visual Inspection in the Smog Check program?
• What visual evidence would indicate catalytic converter tampering?
• Which component must be inspected as part of the liquid fuel leak inspection?
• When is it appropriate to fail a vehicle due to obstruction of emission components by dirt?
• The liquid fuel leak portion applies only to vehicles powered in part or entirely by...
• When multiple minor leaks are observed, how should they be documented?
• What evidence would indicate an unreadable emission label?
• CARB approved or exempted parts must have this label stamped or affixed to the part or near the part.
• Which term describes normal wear or deterioration affecting the operation of a emission control component?
• If heavy dirt obscures an emission component, what is the recommended action during the visual inspection?
• Which term describes a component that has been disabled but is still connected to the vehicle?
• This is a type of exhaust gas after-treatment system used on diesel vehicles that must be visually inspected.
• Why is it important to verify the emission label?
• Any hose, wire, belt, or component required for the operation of the emission control system which is present but has been disconnected.
• Which field would document the results of the Visible Smoke Test for BAR 97?
• If a vehicle that should have a BAR Referee label does not have one affixed, what should the inspector do?
• How should the inspector proceed if the Aftermarket Parts Label is missing or illegible?
• DPF stands for which phrase?
• During the liquid fuel leak inspection, the engine should be running.
• Which source would help verify the planned routing of vacuum hoses in the emission control system?
• Which source would be most reliable for determining the precise layout and locations of emission control components across models?
• Does a missing or illegible Aftermarket Parts Label constitute an inspection failure?
• Which component is listed under the Other Emission Related Components/Systems category for air intake path?
• Which component must be inspected as part of the liquid fuel leak inspection?
• If any liquid fuel leak is found during the visual inspection, what must the inspector note on the VIR?
• Which signs indicate loose exhaust hangers during a visual inspection?
• Which category is specifically associated with the items Thermal Reactors, Timing Gears and Pulleys, and Ozone Reducing Radiators?
• Which source provides guidance on where emission-control components are located on a vehicle?
• Which statement best reflects the handling of multiple VI findings on emission-control components?
• Where should the catalytic converter be located?
• Where on the vehicle are BAR Referee labels normally affixed?
• An emissions related component of the system that has been changed so that there is no capacity for connection with or operation of other emissions control components or systems.
• Which label indicates CARB approval status for aftermarket parts?
• What EGR components are looked at during the VI?
• Which statement about the gas-cap test is true?
• Which source would help identify the exact placement of emission-control components on a vehicle?
• Which after-treatment system is used to reduce NOx emissions and must be visually inspected?
• Which vehicle identifier must be legible and present during the VI?
• Which organization issues CARB approval or exemption for aftermarket emission parts?
• Which statement best summarizes the role of the Visual Inspection with regard to tampering?
• Which of the following items is listed as a component to be visually inspected under the Other Emission Related Components/Systems category (not an acronym)?
• To pass the visual inspection, the required emissions control systems must be...
• What is the consequence of a disconnected purge line in EVAP during VI?
• Which component must be inspected as part of the liquid fuel leak inspection?
• Which component is identified as a fuel vapor line or hose in the liquid fuel leak inspection?
• Which component must be inspected as part of the liquid fuel leak inspection?
• What position should the transmission be in when conducting the liquid fuel leak inspection?
• Which component is specifically associated with evaporative emissions and must be inspected for leaks?
• Which component must be inspected as part of the liquid fuel leak inspection?
• PTOX stands for which of the following phrases?
• Where is the second or additional emission control label typically affixed on some diesel-powered vehicles?
• How is the gas-cap test related to the VI?
• Which component signals potential major non-compliance when missing?
• An emissions control system or component that has been removed from the vehicle or engine.
• These listings may also provide information about modifications that are necessary and acceptable for installation of a particular part, kit, or system.
• An emission control system or component that has been disabled, even though it is present and properly connected to the vehicle.
• Under which category do Turbochargers visually inspected?
• What is the general rule about compromised emission-control components during VI?
• Which of the following is NOT listed as a component that must be inspected for liquid fuel leaks?
• Which component must be inspected as part of the liquid fuel leak inspection?
• What PCV components are inspected?
• What visual signs indicate an exhaust leak?
• Which statement about the Other Emission Related Components category is true?
• During a VI, what aspects of the gas cap are checked?
• Underhood Emission Control Label usage: which statement is true?
• What observable signs indicate a cracked engine vacuum hose during inspection?
• What is the primary source used to determine a vehicle's certification type?
• Which source is an example of information inspectors may use to determine the vehicle's emission control requirements?
• Which component is a fuel filter that must be inspected for liquid fuel leaks?
• How is the emission-label legibility verified?
• An emission control system or component that has been replaced with a component not marketed by its manufacturer for street use on the vehicle.
• What is the primary source used to determine a vehicle's emission control requirements?
• When performing a visual inspection, inspectors are prohibited from entering Not Applicable for an emission control system that...
• This entry may only be used when the vehicle is not originally equipped with the particular emissions control component being inspected, or when a particular test cannot be performed due to vehicle incompatibility with inspection equipment.
• Which option best describes what the heat shield protects during operation?
• Which option best explains the method to guide evaluations of each component?
• How should a vehicle with a damaged gas-cap vent be treated?
• When inspecting a vehicle with a BAR Referee label, what should the inspector use to determine the vehicle's required emission controls?
• For gasoline-powered hybrid vehicles and vehicles with stop-start systems, how shall the inspector complete the liquid fuel leak inspection?
• Are aftermarket emission-control parts permissible during VI?
• Which statement about the catalytic converter location is correct?
• Which source provides official listings of aftermarket parts used for emission control compliance?
• Which component is included in the visual inspection set under the Other Emission Related Components/Systems category?
• Which component must be inspected as part of the liquid fuel leak inspection?
• Where is the catalytic converter located relative to the exhaust manifold?
• What is the recommended method to confirm CARB approval when the Aftermarket Parts Label is missing or illegible?
• Why is O2 sensor wiring checked during the VI?
• What is the significance of VIN label placement for VI?