CDL Hazmat Endorsement Exam
Hazmat Shipping Papers Practice Questions
30 practice questions with detailed explanations — aligned to the CDL Hazmat Endorsement Exam.
Q1.Shipping papers must include the 'Basic Description' of the hazardous material. The correct order for this description is:
A.UN Number, Proper Shipping Name, Hazard Class, Packing GroupB.Proper Shipping Name, Hazard Class, UN Number, Packing GroupC.Hazard Class, Proper Shipping Name, UN Number, Packing GroupD.Packing Group, UN Number, Hazard Class, Proper Shipping NameA. UN Number, Proper Shipping Name, Hazard Class, Packing GroupExplanation: The order is strictly mandated as ISHP: Identification Number (UN), Shipping Name, Hazard Class, Packing Group.
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Q2.If a vehicle transporting hazardous materials is stopped, where must the shipping papers be located?
A.In the glove boxB.On the driver's seat or in the driver's door pouchC.In the trailer with the loadD.In the sleeper berthB. On the driver's seat or in the driver's door pouchExplanation: To ensure emergency responders can find them quickly, shipping papers must be visible and within reach (e.g., driver's door pouch or seat) when the driver is not at the controls.
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Q3.Which entry on the shipping paper must be listed first or highlighted in a contrasting color?
A.The heaviest itemB.The hazardous material entryC.The consignee's nameD.The freight costB. The hazardous material entryExplanation: Hazardous materials must be distinguished from non-hazardous freight by entering them first, highlighting them, or printing them in a contrasting color, or by placing an 'X' in the HM column.
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Q4.The total quantity of hazardous materials must be indicated on the shipping paper by:
A.Weight or volume (including the unit of measure)B.Number of packages onlyC.Estimated valueD.Pallet countA. Weight or volume (including the unit of measure)Explanation: The shipping paper must specify the total quantity (by weight, volume, or other appropriate unit) for each hazardous material description.
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Q5.An emergency response telephone number must be included on the shipping paper. This number must be monitored:
A.During business hours (9-5)B.At all times the hazardous material is in transportationC.Only when the vehicle is movingD.Only if the load is explosiveB. At all times the hazardous material is in transportationExplanation: The emergency response number must be monitored at all times the hazardous material is in transportation (including storage incidental to transport).
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Q6.If the shipping paper describes both hazardous and non-hazardous materials, the hazardous materials must be:
A.Listed lastB.Identified by an 'X' or 'RQ' in the HM columnC.Written in pencilD.On a separate page onlyB. Identified by an 'X' or 'RQ' in the HM columnExplanation: Mixed loads require the hazmat entries to be identified by an 'X' (or 'RQ' if a Reportable Quantity) in the HM column to stand out.
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Q7.The Packing Group (PG) indicates the degree of danger. PG I indicates:
A.Great DangerB.Medium DangerC.Minor DangerD.No DangerA. Great DangerExplanation: PG I = Great Danger; PG II = Medium Danger; PG III = Minor Danger.
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Q8.What does the symbol 'G' in the HM column mean?
A.GasB.The Proper Shipping Name is generic and the technical name must be added in parenthesesC.Great DangerD.Ground Transport OnlyB. The Proper Shipping Name is generic and the technical name must be added in parenthesesExplanation: The 'G' symbol identifies a generic shipping name (e.g., 'Flammable Liquid, n.o.s.') which requires the technical chemical name to be listed in parentheses.
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Q9.For Division 2.3 (Poison Gas), the shipping paper must contain the words:
A.Toxic Inhalation Hazard or Poison-Inhalation HazardB.Dangerous GasC.Do Not BreatheD.Explosive GasA. Toxic Inhalation Hazard or Poison-Inhalation HazardExplanation: Materials poisonous by inhalation (Zone A, B, C, D) must include the phrase 'Poison-Inhalation Hazard' or 'Toxic-Inhalation Hazard' on the shipping paper.
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Q10.If a shipper offers a 'Limited Quantity' of a hazardous material, the shipping paper must state:
A.Limited Quantity or Ltd QtyB.No HazmatC.Small BoxD.Consumer CommodityA. Limited Quantity or Ltd QtyExplanation: The abbreviation 'Ltd Qty' or 'Limited Quantity' must appear on the shipping paper for these exceptions.
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Q11.Which document must always accompany the shipping papers for hazardous materials?
A.Emergency Response Information (e.g., ERG page or SDS)B.The driver's birth certificateC.A map of the routeD.The invoiceA. Emergency Response Information (e.g., ERG page or SDS)Explanation: Emergency response information (mitigation, fire, spill, first aid info) must be immediately available, often as an SDS or ERG page attached to the shipping paper.
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Q12.When transporting hazardous waste, you must have a:
A.Uniform Hazardous Waste ManifestB.Bill of Lading onlyC.Waste disposal permitD.Recycling receiptA. Uniform Hazardous Waste ManifestExplanation: Hazardous waste shipments require a specific Uniform Hazardous Waste Manifest (EPA Form 8700-22) to track the waste from cradle to grave.
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Q13.If you are driving a placarded vehicle and you break down, who should you give the shipping papers to?
A.Leave them in the truck cabB.Keep them with you if you leave the vehicleC.Give them to the tow truck driverD.Hide them under the seatA. Leave them in the truck cabExplanation: Wait—standard rule: If you leave the vehicle, leave the papers on the seat or door pouch. If you stay, keep them within reach. If broken down/emergency, responders need them. The question asks 'who'. If you leave, leave them IN the cab (on seat). You don't take them with you if you abandon the vehicle during an incident, so responders can find them.
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Q14.The Shipper's Certification on the shipping paper certifies that:
A.The carrier has insuranceB.The shipment is properly classified, described, packaged, marked, and labeled according to DOT regulationsC.The driver is qualifiedD.The truck is in good conditionB. The shipment is properly classified, described, packaged, marked, and labeled according to DOT regulationsExplanation: The shipper certifies that they have prepared the shipment in full compliance with the HMR. The carrier relies on this certification.
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Q15.If the letter 'W' appears in the HM column of the shipping paper, it indicates:
A.Water ReactiveB.Marine Pollutant (applies only to water transportation)C.WasteD.Winter GradeB. Marine Pollutant (applies only to water transportation)Explanation: 'W' indicates a Marine Pollutant that is regulated primarily when transported by vessel (water), unless it meets bulk limits.
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Q16.What is the proper shipping name for UN1203?
A.PropaneB.GasolineC.Diesel FuelD.KeroseneB. GasolineExplanation: UN1203 corresponds to Gasoline. (UN1993 is Diesel/Fuel Oil; UN1075/1978 is Propane).
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Q17.You must refuse a shipment if the shipping papers:
A.Are not typedB.Do not have the Shipper's Certification signedC.Are in a sealed envelopeD.Are printed on white paperB. Do not have the Shipper's Certification signedExplanation: The carrier must ensure the shipper's certification is signed. If unsigned, the shipment cannot be accepted.
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Q18.For which hazard class is the 'Packing Group' NOT required on the shipping paper?
A.Class 3B.Class 8C.Class 2 (Gases)D.Class 4C. Class 2 (Gases)Explanation: Class 2 Gases, Class 7 Radioactive, and Class 1 Explosives generally do not use Packing Groups.
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Q19.The identification number (UN/NA) must be preceded by:
A.UN or NAB.DOTC.HMD.IDA. UN or NAExplanation: The ID number must be preceded by the letters 'UN' (United Nations) or 'NA' (North American).
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Q20.Can a shipping paper contain abbreviations?
A.Yes, freelyB.No, unless specifically authorized in the HMRC.Yes, if the driver understands themD.Only for the quantityB. No, unless specifically authorized in the HMRExplanation: Abbreviations are generally prohibited unless specifically authorized (e.g., 'Ltd Qty').
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Q21.When transporting a 'Reportable Quantity' (RQ) of a substance, the letters RQ must appear:
A.Before or after the basic descriptionB.On the placardC.On the driver's licenseD.Nowhere, it is impliedA. Before or after the basic descriptionExplanation: If a package contains an RQ, the letters RQ must be entered on the shipping paper either before or after the basic description.
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Q22.Who must sign the Hazardous Waste Manifest?
A.The Shipper, the Carrier, and the Receiving FacilityB.Only the ShipperC.Only the ReceiverD.The EPAA. The Shipper, the Carrier, and the Receiving FacilityExplanation: The Uniform Hazardous Waste Manifest is a chain-of-custody document signed by the generator (shipper), transporter (carrier), and designated facility (receiver).
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Q23.If a shipper offers a 'HOT' material (elevated temperature), the word 'HOT' must appear:
A.On the shipping paper preceding the proper shipping nameB.Only on the packageC.On the driver's logD.It is not requiredA. On the shipping paper preceding the proper shipping nameExplanation: Elevated temperature materials must be identified by the word 'HOT' preceding the proper shipping name on the shipping paper.
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Q24.If you are pulling a trailer with hazmat, you must ensure the shipping papers are:
A.Given to the next driver or carrier upon transferB.Destroyed after the tripC.HiddenD.Mailed to the shipperA. Given to the next driver or carrier upon transferExplanation: Shipping papers must accompany the shipment at all times and be transferred to subsequent carriers or drivers.
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Q25.What is the 'Subsidiary Hazard Class'?
A.A secondary hazard presented by the material (e.g., Flammable AND Toxic)B.A hazard that only exists at nightC.A hazard for small packages onlyD.The packing groupA. A secondary hazard presented by the material (e.g., Flammable AND Toxic)Explanation: Some materials have multiple hazards. The primary hazard determines the class; secondary hazards are subsidiary. Subsidiary classes must be listed in parentheses after the primary class.
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Q26.How long must a carrier retain shipping papers after accepting a hazmat shipment?
A.1 year (3 years for hazardous waste)B.30 daysC.6 monthsD.5 yearsA. 1 year (3 years for hazardous waste)Explanation: Carriers must retain a copy of the shipping paper for 1 year (375 days) after acceptance. For hazardous waste, it is 3 years.
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Q27.If a shipping paper lists 'N.O.S.', what does it mean?
A.Not Otherwise SpecifiedB.Not On ShipC.No Other SubstanceD.New Organic SolidA. Not Otherwise SpecifiedExplanation: N.O.S. stands for Not Otherwise Specified. It is used for generic shipping names.
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Q28.A 'Residue' shipping paper is required for:
A.Tank cars or cargo tanks that have been emptied but not cleaned/purgedB.Full loads onlyC.Packages under 5 lbsD.Non-hazmat loadsA. Tank cars or cargo tanks that have been emptied but not cleaned/purgedExplanation: Empty tanks containing hazmat residue must still be shipped with papers indicating 'Residue: Last Contained [Proper Shipping Name]'.
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Q29.The technical name of a material must be entered in parentheses for:
A.Generic or N.O.S. shipping namesB.All shipping namesC.Explosives onlyD.Liquids onlyA. Generic or N.O.S. shipping namesExplanation: If the Proper Shipping Name is generic (e.g., Compounds, cleaning liquid), the technical chemical name must be included in parentheses.
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Q30.Which of the following is an incorrect Basic Description?
A.UN1090, Acetone, 3, IIB.Acetone, 3, UN1090, IIC.UN1263, Paint, 3, PG IID.UN1824, Sodium Hydroxide Solution, 8, IIB. Acetone, 3, UN1090, IIExplanation: The order ISHP is mandatory: ID Number, Shipping Name, Hazard Class, Packing Group. Option B puts the name first, which is incorrect.
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