Maine Inspection License Class D Practice Test

These questions are part of the practice quiz. Start practicing

• When should a vehicle be rejected if the parking brake is concerned?
• What should be confirmed about the vehicle’s headlights during an inspection?
• What are the consequences for failing to comply with inspection regulations in Maine?
• Which component should be checked for adequate tread during a vehicle inspection?
• What type of lighting systems must be operational to pass inspection?
• During an inspection, what is important to check for in relation to the fuel system?
• What safety feature must be checked for proper functioning during a Class D inspection?
• What is required for vehicles manufactured after 1968 during safety inspections?
• How does the inspector determine whether a vehicle is safe for the road?
• What is the primary goal of the Maine Class D inspection program?
• What should be considered when inspecting a vehicle's tire condition?
• Which of the following items is checked for compliance during a Class D inspection?
• If a hydraulic hose has minor chafing, what action should be taken?
• Which of the following is a common cause for a vehicle to fail an emissions test?
• During the inspection, what ports must air be released from to avoid rejection of the vehicle?
• What is the minimum lining thickness required for a parking brake to avoid vehicle rejection?
• For what reason might a vehicle fail a Class D inspection related to its tires?
• What will occur if the vehicle's air pressure governor does not cut in properly?
• What should be verified about a vehicle's headlights during an inspection?
• What is the maximum stroke adjustment for a Rotochamber with an outside diameter of 7 1/16 inches?
• How should an inspector document findings during an inspection?
• What constitutes a light failure during inspection?
• How often must vehicles in Maine undergo inspection under the Class D guidelines?
• What is a common issue that can arise with hydraulic brake systems that requires inspection?
• What common issue can be flagged regarding a vehicle's battery during a Class D inspection?
• What should be observed when performing the air pressure leakage test with brakes applied?
• Why should the brake stroke be measured with the engine off?
• What is the minimum lining thickness at the shoe center for air drum brakes before rejecting the vehicle?
• How long is an inspection sticker valid for?
• What should be done if the tractor protection valve leaks with the button out?
• Which of these items must be operational for a vehicle to pass inspection?
• True or False: A vehicle can pass a commercial inspection if the hydraulic pump reservoir is below the "ADD" mark.
• What is the typical duration for which an inspection sticker is valid in Maine?
• What is the rejection criteria for headlight measurements?
• In what scenario might a vehicle with an active recall be exempt from passing inspection?
• What are vehicle inspections in Maine designed to prevent?
• What happens if a vehicle receives a temporary sticker after an inspection?
• Which environmental factors can affect vehicle inspections in Maine?
• What must happen for a vehicle to pass the air pressure warning device test?
• How are emissions controlled in the Class D inspection process?
• What is the fine for a missing or expired inspection sticker in Maine?
• Under what condition should a vehicle be rejected related to radial tires?
• What indicates a rejection of a vehicle if shoe travel is observed during service brake application?
• How are brake components evaluated in a Class D inspection?
• Which agency administers the Maine inspection license exam?
• True or False: A vehicle should be rejected if any spring-oriented brake is not applied upon emergency/parking control actuation.
• Under what condition should a vehicle with a hydraulic system and hydro assist be rejected?
• What electrical accessory's function might be evaluated for night visibility?
• What role does the inspector play during the Class D inspection process?
• Under what condition can a vehicle be exempt from inspection?
• What is a common misconception about the inspection process?
• Are modified vehicles required to undergo special inspections in Maine?
• Which condition defines a "breakaway" for trailers and semi-trailers?
• Which safety feature is critical to inspect for functionality during an inspection?
• What should an inspector look for when evaluating the function of the air brakes?
• What tire label is an instant cause for rejection?
• What is the minimum rear tire tread depth for commercial vehicles?
• Who is responsible for adhering to the inspection requirements?
• Why is the brake pedal's feel evaluated during inspection?
• What is the maximum allowable horizontal movement between the upper and lower fifth wheel halves when coupled?
• If the power steering pump has stopped, what condition would lead to vehicle rejection?
• When should a vehicle be rejected based on brake shoe travel?
• What is the age requirement for an applicant to obtain a Class D inspection license in Maine?
• What is the rated stroke of a brake chamber with an outside diameter of 6 3/8 inches?
• What should be included in a vehicle owner's maintenance records prior to inspection?
• How can a vehicle’s suspension system affect its handling?
• What should be inspected on a vehicle's windshield?
• What is the primary purpose of a Class D inspection in Maine?
• If the time needed to build air pressure exceeds what limit, should the vehicle be rejected?
• How does tire alignment affect the outcome of an inspection?
• Under what condition should a vehicle be rejected regarding the lining thickness of hydraulic and electric drum brakes?
• Under which condition is a vehicle rejected concerning air leakage at the emergency glad hand?
• What is the maximum stroke adjustment for a brake chamber with an outside diameter of 8 3/32 inches?
• What is the purpose of the vehicle VIN?
• What specific system of the vehicle is evaluated for emissions compliance?
• What is the legal requirement concerning windshield wipers?
• What is an indication that a vehicle’s air pressure gauge is malfunctioning?
• What is the minimum passing score for the Maine Class D inspection license exam?
• What should be done if defective equipment is found during an inspection?
• For re-grooved tires, which statement is true regarding their use in commercial vehicles?
• How can a vehicle owner challenge a failed inspection?
• Which of the following is NOT a factor in the vehicle inspection process?
• What electrical components are typically inspected during a Class D inspection?
• What must a vehicle owner do if their vehicle fails the inspection?
• Why might some vehicles require special inspection procedures?
• What is one method to check if brake lights are functioning?
• During a Class D inspection, what aspect of the vehicle’s fuel system is primarily checked?
• How often must a licensed inspector renew their inspection certification?
• What is the first step in the air pressure build-up test procedure?
• Are inspection stickers in Maine transferable between vehicles?
• How much horizontal movement is allowed between the pivot bracket pin and the bracket?
• What is a 'safety check' in the context of Class D inspections?
• What is the timeframe for issuing a new inspection sticker after a passed inspection?
• What must be inspected on a vehicle’s braking system?
• If a vehicle has minor defects but is otherwise safe, what is the typical inspector recommendation?
• What should an inspector do if they are unsure about a vehicle's compliance with safety standards?
• What is the main reason for the minimum tread depth regulation on trailer tires?
• What is the primary function of a vehicle’s horn during an inspection?
• Why is it important to inspect the noise level of the exhaust system?
• What is required of a vehicle’s tires during a Class D inspection?
• Which of the following materials is considered improper for repairs on chains and hooks?
• What is the maximum allowable decrease in reservoir pressure after one full brake application for a vehicle to pass inspection?
• What is the impact of an expired inspection sticker on a vehicle?
• Which of the following is NOT a responsibility of the inspector?
• What is required for a trailer or semi-trailer in case of breakaway from a vehicle?
• What lighting components are typically inspected in a Class D inspection?
• What consequence occurs if a vehicle is observed to have an air pressure gauge that doesn’t function properly?
• Why is the condition of headlights critical during a Class D inspection?
• What is the required reservoir pressure for measuring stroke with the engine off?
• What is the primary reason for checking tire inflation during an inspection?
• What is the consequence of operating a vehicle that has been tagged as unsafe?
• Can a vehicle be inspected if the owner has not paid their vehicle taxes?
• What are the acceptable forms of vehicle identification during a Class D inspection?
• What is the maximum allowable pressure loss with brakes released during the air pressure leakage test for a single vehicle?
• What should be checked regarding a vehicle’s windshield wipers during a Class D inspection?
• How are seat belts evaluated in a Class D inspection?
• What happens if any component of the trailer's breakaway device fails to function properly?
• Can commercial vehicles have re-grooved tires under certain conditions?
• What must be checked in the steering and suspension systems during an inspection?
• What is the minimum front tire tread depth acceptable?
• What is the maximum allowable brightness of headlamps in candlepower?
• What is the purpose of checking the suspension system during a Class D inspection?
• During a commercial vehicle inspection, what is the consequence of having insufficient brake stroke?
• How often must trailers in Maine undergo a safety inspection?
• What is the primary purpose of the Maine inspection license?
• What type of emissions testing applies to newer vehicles in Maine?
• Are motorcycles and scooters required to undergo inspections in Maine?
• What item is not required to be present for a passenger vehicle to pass inspection?
• What is one of the key components checked during a Class D vehicle inspection?
• What action must an inspector take when a major safety hazard is found on a vehicle?
• What type of emission control equipment is often checked during an inspection?
• Which part of the vehicle is evaluated for leaking fluids during an inspection?
• What happens after a vehicle passes a Class D inspection?
• What is the role of the Vehicle Identification Number (VIN) during inspections?
• What is the consequence of failing an inspection for a Class D vehicle?
• How is corrosion on the vehicle's frame treated during an inspection?
• What is the maximum horizontal movement allowed on a saddle mount?
• What should be done if a vehicle exhibits a persistent issue after inspection?
• What aspect of vehicle functionality is typically observed for safety during a Class D inspection?
• What information must be provided to the inspector before performing a vehicle inspection?
• What amount of horizontal movement is acceptable between the slider bracket and the slider base?
• Should a vehicle be rejected if the valve-mounting is found to be un-secure?
• In which conditions should the trailer brake stroke be measured?
• What specific action should be taken if the air pressure warning device does not activate before a certain pressure is reached?
• How can vehicle owners prepare for a Class D inspection?
• True or False: A vehicle should be rejected if there is movement of ¼ inch or more between the subframe and the drawbar at the point of attachment.
• What should be checked first when performing a safety inspection?
• What is the significance of the breakaway device for trailers?
• What is a consequence of failing a vehicle inspection in Maine?
• What is the recommended action if the hydraulic brake pedal travels to the floor when holding steady pressure?
• How often must vehicles in Maine pass a safety inspection?
• What information is provided on an inspection sticker issued after passing?
• What is the primary function of the Maine Bureau of Motor Vehicles regarding vehicle inspections?
• What information must an inspection report include?
• How is passenger safety assessed during a Class D inspection?
• What must be inspected if a vehicle has been involved in an accident?
• How does the inspector verify the adequacy of a vehicle’s windshield?
• What is the required action if the tractor-protection control valve does not function properly?
• Where should a saddle clamp be positioned on a cable?
• What are the responsibilities of an inspector during the inspection process?
• Which of the following is NOT a component of a Class D vehicle inspection?
• How much pressure drop is considered unacceptable in the pressure reserve test after applying the brakes?
• What condition leads to rejection of a vehicle regarding brake rotors?
• Which of the following is a common reason for a vehicle to fail inspection?
• In the context of air pressure tests, which condition is acceptable before initiating a brake application?
• What is the maximum allowable noise level from a vehicle’s exhaust system during inspection?
• Can inspection stations set their own rates for inspections?
• What is an inspector's best practice when performing an inspection?
• What is prohibited regarding tire types on the same axle?
• What must be done if a vehicle is found to have a major defect during an inspection?
• Which materials are acceptable for repairing a hydraulic hose or line?
• What should vehicle owners do to rectify minor issues before an inspection?
• What is the maximum allowable pressure loss during a full brake application in the air leakage test for a single vehicle?
• What is one of the criteria for exhaust systems during a Class D inspection?
• What is a sign that a vehicle should be rejected regarding air pressure warnings?
• What indicates that the electric motor is functioning properly in a hydraulic system?
• Which condition indicates a hydraulic hose should be rejected?
• What is the required age to apply for a Class D vehicle inspection license in Maine?
• During a Class D inspection, how is the exhaust system evaluated?
• Which of the following can affect the reliability of a vehicle’s engine during an inspection?
• What type of vehicles are covered under the Class D inspection license in Maine?
• What is the main reason for rejecting a vehicle during the air pressure build-up test?
• What type of wood should be avoided for body repairs in vehicles over 25 years old?
• What is the maximum stroke adjustment for a Rotochamber with an outside diameter of 5 5/16 inches?
• Which agency regulates the inspection process for Class D inspections in Maine?
• What defines a major defect during a Class D inspection?
• Which of the following statements about Class D vehicle inspections is true?
• What equipment is commonly used for brake testing during inspections?
• What is the primary function of an inspection station?
• What does a failed inspection sticker indicate?
• What is the acceptable range for governor cut-out pressure during the air pressure governor testing?
• What condition of windshield wipers is checked for in a Class D inspection?
• Which safety feature must be installed and operational in all vehicles?
• How should tires be inspected for tread depth?
• What is the purpose of a vehicle inspection?
• What part of the vehicle must be functional to pass the inspection?
• What documentation must a vehicle owner have available during the Class D inspection?
• Which component is not part of a Class D inspection?
• What will result in a vehicle being rejected based on self-adjusting slack adjusters?
• How often must vehicles undergo inspections in Maine?
• How do weather conditions affect tire performance and inspection?
• During a safety inspection, which component is primarily evaluated for its braking efficiency?
• What is the inspector's responsibility regarding record-keeping after completing an inspection?
• What percentage of total distance should the braked pedal travel not exceed?
• What is the maximum allowed movement between the power sliders and the housing?
• What condition must the vehicle's brakes be in to pass inspection?
• What does the inspection process typically begin with?
• What condition warrants rejection of a vehicle related to the vacuum system?
• What is the minimum tread depth required for tires to pass inspection in Maine?
• What is the proper procedure for testing the air pressure warning device?
• During an air pressure governor test, what should be done if the governor cut-in pressure is below 80 p.s.i.?
• What do the letters "D" in Class D inspection refer to?
• How is the overall condition of the suspension system evaluated?
• What must the system be to hold the parking brake in the applied position?
• What percentage of reduction in pintle hooks and drawbars/tow-bars is considered unacceptable?
• Which of the following is true regarding commercial vehicle front tires?
• How many full brake applications should a vacuum reserve system permit?
• Under what condition should a vehicle’s master cylinder be rejected?
• What is the rejection criterion for air disc brake lining thickness?
• Why is it important to check a vehicle's body structure during a Class D inspection?
• How long must a motor carrier keep a commercial inspection report?
• Why is proper lighting important for vehicle inspections?
• What type of emissions test is required for vehicles in Maine?
• What should be done if a trailer’s breakaway device battery has a voltage level below 12.4 volts?
• Is a commercial inspection report required for partial inspections of special mobile equipment?
• What is the requirement for a car's mirrors during an inspection?
• What factors contribute to the decision of passing or failing an inspection?