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Illinois CDL HazMat Endorsement Test study materials
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Illinois CDL HazMat Endorsement Test practice questions

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Question 1Hazardous materials regulations and the Hazardous Materials Table

Under the Hazardous Materials Regulations, who is responsible for determining the proper shipping name of a hazardous material being offered for transportation?

  1. The receiver who signs the delivery receipt
  2. The shipper who offers the material Correct answer.
  3. The mechanic who inspects the vehicle
  4. The driver who loads the vehicle

Explanation

The Hazardous Materials Regulations place classification and naming duties on the person who offers the material for transportation, known as the shipper or offeror. The shipper must select the proper shipping name, hazard class, and identification number before the shipment moves.

Question 2Hazardous materials regulations and the Hazardous Materials Table

In the Hazardous Materials Table, what does the plus sign (+) in Column 1 indicate?

  1. The entry is a reportable quantity
  2. The entry is forbidden for all transport
  3. The entry is subject to special permit only
  4. The entry is a generic or n.o.s. description Correct answer.

Explanation

A plus sign in Column 1 of the Hazardous Materials Table marks an entry whose proper shipping name is a generic or not otherwise specified (n.o.s.) description. Shippers using such an entry must add the technical name of the material in parentheses after the proper shipping name.

Question 3Hazardous materials regulations and the Hazardous Materials Table

A material appears in the Hazardous Materials Table with the proper shipping name 'Gasoline' and the hazard class '3'. What does hazard class 3 designate?

  1. Poisonous liquid
  2. Corrosive material
  3. Flammable and combustible liquid Correct answer.
  4. Oxidizer

Explanation

Hazard class 3 covers flammable and combustible liquids, including gasoline. The class number appears in Column 3 of the Hazardous Materials Table and drives packaging, placarding, and shipping paper requirements.

Question 4Hazardous materials regulations and the Hazardous Materials Table

Which column of the Hazardous Materials Table contains the identification number, such as UN1203?

  1. Column 4 Correct answer.
  2. Column 2
  3. Column 6
  4. Column 8

Explanation

Column 4 of the Hazardous Materials Table lists the identification number, such as UN1203 for gasoline. This number must appear on the shipping paper and on the placard or orange panel as required.

Question 5Hazardous materials regulations and the Hazardous Materials Table

When a hazardous material is described on a shipping paper, the basic description must include which of the following in the required sequence?

  1. Proper shipping name, identification number, hazard class
  2. Proper shipping name, hazard class, identification number Correct answer.
  3. Hazard class, identification number, proper shipping name
  4. Identification number, hazard class, proper shipping name

Explanation

The basic description on a shipping paper must show the proper shipping name, hazard class or division, and identification number, in that order. The total quantity and other required entries follow the basic description.

Question 6Hazardous materials regulations and the Hazardous Materials Table

A driver is reviewing shipping papers for a load of hazardous materials. Where must the shipping papers be kept while the driver is behind the wheel?

  1. In the trailer with the freight
  2. Within immediate reach while restrained by the seat belt Correct answer.
  3. Locked in the cargo compartment
  4. Left at the shipper's dock

Explanation

Shipping papers for hazardous materials must be kept within the driver's immediate reach while the driver is restrained by the seat belt. When the driver leaves the vehicle, the papers must be placed on the driver's seat or in the door pouch so emergency responders can find them.

Question 7Hazardous materials regulations and the Hazardous Materials Table

How many placards must be displayed for a hazardous materials shipment that requires placarding?

  1. Four placards, one on each side and each end Correct answer.
  2. No placards if the vehicle is a box truck
  3. Two placards, one on each side
  4. One placard on the front only

Explanation

Placarding requirements call for placards on both sides and both ends of the vehicle when placards are required. This ensures the hazard is visible from any direction.

Question 8Hazardous materials regulations and the Hazardous Materials Table

A shipper offers a material that meets the definition of a hazardous substance in a quantity equal to or greater than its reportable quantity. What additional notation must appear on the shipping paper?

  1. The word EXEMPT and the shipper's phone number
  2. The letters NA and the material's flash point
  3. The letters HM and the weight of the shipment
  4. The letters RQ and the name of the hazardous substance Correct answer.

Explanation

When a hazardous substance is shipped at or above its reportable quantity, the shipping paper must include the letters RQ and the name of the hazardous substance. This alerts responders to a release that may require reporting.

Question 9Hazardous materials regulations and the Hazardous Materials Table

What does the letter 'G' in the packaging group column of the Hazardous Materials Table indicate?

  1. The material is forbidden in general packaging
  2. The material is a general packaging category Correct answer.
  3. The material is a gas
  4. The material requires a UN specification package only

Explanation

Packaging group entries in the Hazardous Materials Table use Roman numerals I, II, and III to indicate the degree of danger. The letter G is not a packaging group designation; the table uses I, II, or III.

Question 10Hazardous materials regulations and the Hazardous Materials Table

A driver must know the emergency response information that accompanies a hazardous materials shipment. Which document is commonly used to provide this information?

  1. The vehicle registration
  2. The emergency response guidebook or equivalent emergency response information Correct answer.
  3. The bill of lading only
  4. The shipper's invoice

Explanation

Emergency response information must accompany the shipping paper and may be provided by an emergency response guidebook or other equivalent document. It tells responders and the driver what to do in case of a spill, fire, or exposure.

Question 11Hazardous materials regulations and the Hazardous Materials Table

Which of the following is a required element of the shipping paper for a hazardous materials shipment?

  1. The total quantity of the hazardous material Correct answer.
  2. The driver's home address
  3. The vehicle's tire pressure
  4. The shipper's bank account number

Explanation

Shipping papers must show the total quantity of hazardous material covered by the description, along with the basic description and emergency response information. Quantity lets responders gauge the size of a potential release.

Question 12Hazardous materials regulations and the Hazardous Materials Table

A material is listed in the Hazardous Materials Table with a hazard class of 8. What hazard does class 8 represent?

  1. Infectious substance
  2. Corrosive material Correct answer.
  3. Radioactive material
  4. Flammable solid

Explanation

Hazard class 8 covers corrosive materials that can destroy human skin or corrode steel or aluminum. The class designation drives packaging, labeling, and placarding requirements for the shipment.

Question 13Hazardous materials regulations and the Hazardous Materials Table

When the Hazardous Materials Table lists a material with the word 'Forbidden' in the proper shipping name column, what does that mean for the shipper?

  1. The material may be shipped if labeled as exempt
  2. The material may be shipped with a special permit only
  3. The material may not be offered for transportation Correct answer.
  4. The material may be shipped in small quantities

Explanation

A Forbidden entry means the material may not be offered for transportation or transported under any circumstances covered by the entry. There is no general small-quantity or labeling exception that overrides a forbidden designation.

Question 14Hazardous materials regulations and the Hazardous Materials Table

A driver is picking up a load of a material whose Hazardous Materials Table entry shows a label code of 6.1. Which hazard label should the packages carry?

  1. Poisonous material Correct answer.
  2. Oxidizer
  3. Poison inhalation hazard
  4. Flammable liquid

Explanation

Label code 6.1 corresponds to the poisonous material label for class 6.1 materials. The label code in the table tells the shipper which hazard labels must appear on packages.

Question 15Hazardous materials regulations and the Hazardous Materials Table

What is the purpose of the special provisions column in the Hazardous Materials Table?

  1. It lists exceptions or additional requirements that apply to the entry Correct answer.
  2. It lists the shipper's insurance coverage
  3. It lists the driver's hours of service
  4. It lists the vehicle's required speed limit

Explanation

The special provisions column contains coded references to exceptions or additional requirements that apply to a specific entry. Shippers and carriers must check those codes in the regulation to know what extra rules apply.

Question 16Hazardous materials regulations and the Hazardous Materials Table

A driver is hauling a placarded load and must cross a railroad track before stopping. What is the correct action?

  1. Stop, look, and listen before crossing Correct answer.
  2. Sound the horn and continue at speed
  3. Stop only if a train is visible
  4. Slow down and proceed without stopping

Explanation

Vehicles carrying hazardous materials that require placarding must stop before crossing a railroad grade crossing, then look and listen before proceeding. The stop applies whether or not a train is visible.

Question 17Hazardous materials regulations and the Hazardous Materials Table

Which of the following best describes the role of the Hazardous Materials Table in the shipping process?

  1. It provides the proper shipping name, class, and identification number for regulated materials Correct answer.
  2. It lists the maximum speed for each hazard class
  3. It lists the driver's medical certification dates
  4. It replaces the need for shipping papers

Explanation

The Hazardous Materials Table is the central reference that ties together the proper shipping name, hazard class, identification number, label codes, packaging, and quantity limits for each regulated material. Shippers use it to build a compliant shipping description.

Question 18Hazardous materials regulations and the Hazardous Materials Table

A shipper is preparing a shipment of a material whose Hazardous Materials Table entry shows a packaging group of II. What does packaging group II generally indicate?

  1. The material presents a low danger
  2. The material presents a high danger
  3. The material is not regulated
  4. The material presents a moderate danger Correct answer.

Explanation

Packaging groups rank the degree of danger within a hazard class, with I being great danger, II moderate danger, and III minor danger. A group II designation means the material falls in the moderate danger tier.

Question 19Hazardous materials regulations and the Hazardous Materials Table

A driver must carry shipping papers for a hazardous materials load. Which statement about the papers is correct?

  1. They may be replaced by a verbal description to the dispatcher
  2. They may be stored in a closed glove box as long as the driver knows the code
  3. They must be readily accessible to the driver and to emergency responders Correct answer.
  4. They may be left in the sleeper berth while driving

Explanation

Shipping papers must be readily accessible so that the driver and emergency responders can reach them quickly. Storing them out of reach or relying on verbal descriptions does not meet the requirement.

Question 20Hazardous materials regulations and the Hazardous Materials Table

A material is described in the Hazardous Materials Table with a hazard class of 2.1. Which hazard does that class represent?

  1. Nonflammable gas
  2. Oxidizing gas
  3. Corrosive gas
  4. Flammable gas Correct answer.

Explanation

Within class 2, division 2.1 designates flammable gases. Division 2.2 covers nonflammable, nonpoisonous compressed gases, and division 2.3 covers poisonous gases.

Question 21Hazardous materials regulations and the Hazardous Materials Table

A shipper is preparing a shipping paper for a material whose proper shipping name is a generic n.o.s. entry marked with a plus sign in the table. What must be added to the shipping description?

  1. The shipper's DOT registration number
  2. The chemical's technical name in parentheses Correct answer.
  3. The vehicle's gross weight
  4. The driver's license number

Explanation

When a generic or n.o.s. proper shipping name is used, the technical name of the hazardous material must be entered in parentheses after the proper shipping name on the shipping paper. This gives responders specific information about the chemical involved.

Question 22Hazardous materials regulations and the Hazardous Materials Table

A driver is reviewing a shipping paper that shows the basic description in the order 'UN1203, Gasoline, 3'. What is wrong with this entry?

  1. The identification number must follow the hazard class
  2. The hazard class must come before the identification number
  3. Nothing is wrong; the order is acceptable
  4. The proper shipping name must come first Correct answer.

Explanation

The basic description must begin with the proper shipping name, followed by the hazard class and then the identification number. Placing the UN number first does not follow the required sequence.

Question 23Hazardous materials regulations and the Hazardous Materials Table

A vehicle carrying a hazardous material requiring placards approaches a railroad crossing. Which statement about the required stop is accurate?

  1. The stop is required only at crossings with active signals
  2. The stop is required when the vehicle is placarded, regardless of load weight Correct answer.
  3. The stop is required only when the load exceeds 1,000 pounds
  4. The stop is required only when the driver sees a train

Explanation

The railroad crossing stop requirement applies to vehicles carrying hazardous materials that require placarding, without regard to the weight of the load. The driver must stop, look, and listen before proceeding.

Question 24Hazardous materials regulations and the Hazardous Materials Table

A shipper offers a hazardous material for transport but does not provide the required shipping papers. Which statement best describes the consequence under the Hazardous Materials Regulations?

  1. The shipment may proceed if the driver memorizes the description
  2. The shipment may not be transported until the papers are provided Correct answer.
  3. The shipment may proceed if the load is under 500 pounds
  4. The shipment may proceed if the placards are correct

Explanation

Hazardous materials may not be transported without the required shipping papers that carry the basic description and emergency response information. Correct placards or a memorized description do not substitute for the paperwork.

Question 25Hazardous materials regulations and the Hazardous Materials Table

Which of the following correctly matches a hazard class to its general category of danger?

  1. Class 4, poisonous gas
  2. Class 5.1, corrosive material
  3. Class 7, radioactive material Correct answer.
  4. Class 6.1, flammable liquid

Explanation

Class 7 designates radioactive materials. The other pairings mix hazard classes with the wrong categories of danger.

Question 26Hazardous materials regulations and the Hazardous Materials Table

On a shipping paper, a hazardous materials entry must show a basic description. Which sequence matches the required order of that basic description?

  1. Hazard class, UN identification number, proper shipping name
  2. Proper shipping name, UN identification number, hazard class
  3. Proper shipping name, hazard class, UN identification number
  4. UN identification number, proper shipping name, hazard class Correct answer.

Explanation

The basic description on a shipping paper begins with the UN or NA identification number, followed by the proper shipping name and then the hazard class. Additional information such as packing group follows the class. Drivers should verify this order because emergency responders rely on it during an incident.

Question 27Hazardous materials regulations and the Hazardous Materials Table

A shipping paper describes a hazardous material entry that includes the packing group 'III'. What does that packing group indicate about the material?

  1. It presents a minor danger during transport. Correct answer.
  2. It is exempt from labeling requirements.
  3. It presents a great danger during transport.
  4. It presents a moderate danger during transport.

Explanation

Packing groups rank the degree of danger: I is great danger, II is moderate danger, and III is minor danger. Packing group III materials still require the applicable shipping paper entry, labels, and packaging. The packing group reflects hazard severity, not an exemption from marking or labeling.

Question 28Hazardous materials regulations and the Hazardous Materials Table

A driver is offered a material whose Hazardous Materials Table entry shows a hazard class of 3. Which hazard does class 3 represent?

  1. Flammable and combustible liquid Correct answer.
  2. Corrosive material
  3. Organic peroxide
  4. Oxidizer

Explanation

Hazard class 3 covers flammable and combustible liquids, materials that can readily ignite and sustain combustion. Oxidizers are class 5.1, organic peroxides are class 5.2, and corrosives are class 8. Knowing the class number helps a driver anticipate the placard and label that will appear on the load.

Question 29Hazardous materials regulations and the Hazardous Materials Table

A shipping paper entry for a hazardous material is being prepared. Which item must appear in the basic description on that paper?

  1. The total weight of the vehicle
  2. The manufacturer's street address
  3. The driver's license number
  4. The hazard class of the material Correct answer.

Explanation

The basic description on a hazardous materials shipping paper consists of the identification number, proper shipping name, hazard class, and packing group when applicable. Information such as the shipper's address may appear elsewhere on the document but is not part of the basic description. The driver's license number and vehicle weight are unrelated to the required description.

Question 30Hazardous materials regulations and the Hazardous Materials Table

A driver is checking a shipping paper and sees a hazardous material entry with no packing group shown. Under the Hazardous Materials Table, which situation best explains that omission?

  1. The shipper forgot to include the packing group and the paper is invalid.
  2. The material is not regulated and needs no entry.
  3. The material is being transported in a small quantity.
  4. The entry applies to a hazard class for which no packing group is assigned. Correct answer.

Explanation

Some hazard classes, such as class 2 gases and class 7 radioactive materials, do not use packing groups, so the column is blank for those entries. The absence of a packing group does not by itself make a shipping paper invalid. A driver should compare the entry against the table rather than assume an error.

Question 31Hazardous materials regulations and the Hazardous Materials Table

A driver is reviewing the Hazardous Materials Table and needs to know what the column headed 'Labels' tells the shipper and carrier.

  1. The packaging instructions for the material
  2. The placards required on the vehicle for the material
  3. The emergency response telephone number for the material
  4. The label codes for the hazard labels required on packages of the material Correct answer.

Explanation

The labels column of the Hazardous Materials Table lists label codes that correspond to the hazard warning labels applied to packages. Placarding decisions come from the placarding tables and the quantity being transported, not directly from this column. Packaging instructions and telephone numbers appear in other sources.

Question 32Hazardous materials regulations and the Hazardous Materials Table

A shipper is preparing a shipment and the Hazardous Materials Table entry shows a symbol in the special provisions column. What is the purpose of that column?

  1. It specifies the packaging group assigned to the material.
  2. It lists the emergency response guide number for the material.
  3. It provides the reportable quantity for the material.
  4. It contains codes that modify or add to the requirements for the material. Correct answer.

Explanation

Special provisions are coded instructions that modify, limit, or add to the regulations that apply to a particular entry. They can address matters such as packaging exceptions or conditions of transport. The emergency response guide number and reportable quantity appear in other columns or references.

Question 33Hazardous materials regulations and the Hazardous Materials Table

A driver is looking up a material and finds the word 'Forbidden' in the proper shipping name column of the Hazardous Materials Table. What does that entry mean?

  1. The material may be shipped only with a special permit from the carrier.
  2. The material may be shipped only by rail.
  3. The material may not be offered for transport or transported. Correct answer.
  4. The material may be shipped only in small quantities.

Explanation

When the table shows 'Forbidden' for a material, that material is not authorized for transportation under the regulations. No carrier may accept it for shipment in that form or quantity. A special permit is a separate regulatory process and does not arise from this entry.

Question 34Hazardous materials regulations and the Hazardous Materials Table

A driver is told by a shipper that a material is a hazardous substance. Which condition makes a material that is listed as a hazardous substance subject to the hazardous materials regulations?

  1. The material is offered in a package weighing more than 100 pounds.
  2. The material is offered in a quantity greater than 1,000 pounds.
  3. The material is offered in a quantity equal to or greater than its reportable quantity in one package. Correct answer.
  4. The material is offered in any quantity at all.

Explanation

A material identified as a hazardous substance becomes subject to regulation when it is offered in a quantity equal to or greater than its reportable quantity in a single package. The reportable quantity is a specific value tied to the substance. Weight-based thresholds such as 1,000 pounds are not the test.

Question 35Hazardous materials regulations and the Hazardous Materials Table

A driver is preparing to transport a material whose Hazardous Materials Table entry shows a hazard class of 6.1. Which label should the driver expect to see on the packages?

  1. Infectious substance
  2. Toxic Correct answer.
  3. Poison inhalation hazard
  4. Corrosive

Explanation

Hazard class 6.1 is toxic material, and packages carry the toxic label. Poison inhalation hazard is identified separately as class 6.1 with a special provision and a different label. Infectious substances fall under class 6.2, and corrosives are class 8.

Question 36Hazardous materials regulations and the Hazardous Materials Table

A driver is reviewing a shipping paper that lists a material with the proper shipping name 'Gasoline' and needs to confirm the identification number. Which identification number corresponds to gasoline in the Hazardous Materials Table?

  1. UN1202
  2. UN1203 Correct answer.
  3. UN1263
  4. UN1993

Explanation

Gasoline is identified as UN1203 in the Hazardous Materials Table, with hazard class 3 and packing group II. UN1202 is diesel fuel, UN1263 is paint, and UN1993 is a flammable liquid n.o.s. entry. Matching the name to the correct number is part of verifying the basic description.

Question 37Hazardous materials regulations and the Hazardous Materials Table

A driver is hauling a material whose Hazardous Materials Table entry shows hazard class 2.2. Which hazard does class 2.2 represent?

  1. Flammable gas
  2. Non-flammable, non-toxic gas Correct answer.
  3. Oxidizing gas
  4. Toxic gas

Explanation

Class 2.2 covers non-flammable, non-toxic gases, including compressed gases that are neither flammable nor poisonous. Flammable gases are class 2.1, and toxic gases are class 2.3. Oxidizing gases are addressed through a division within class 2.2 with a subsidiary hazard.

Question 38Hazardous materials regulations and the Hazardous Materials Table

A driver is reviewing a shipping paper and sees the entry 'UN1263, Paint, 3, PG II'. The shipper asks the driver to confirm the packing group. Which statement correctly identifies the packing group in that entry?

  1. Packing group II, indicating minor danger
  2. Packing group II, indicating great danger
  3. Packing group II, indicating moderate danger Correct answer.
  4. Packing group II, indicating no hazard

Explanation

Packing group II indicates a material that presents a moderate danger during transport. Packing group I is great danger and packing group III is minor danger. A packing group II entry still requires the appropriate labels and shipping paper entry.

Question 39Hazardous materials regulations and the Hazardous Materials Table

A driver is comparing two shipping paper entries. One lists 'UN1090, Acetone, 3, PG II' and the other lists 'UN1090, Acetone, 3, PG II'. The driver notices that one entry includes the packing group and the other does not. Which statement about the packing group on a shipping paper is correct?

  1. The packing group may be replaced by the reportable quantity.
  2. The packing group must always be shown, even when the table assigns none.
  3. The packing group is optional for all entries.
  4. The packing group must be shown when the table assigns one to the material. Correct answer.

Explanation

When the Hazardous Materials Table assigns a packing group to a material, that packing group must be included in the basic description on the shipping paper. For materials with no assigned packing group, none is shown. The packing group cannot be replaced by another data element such as a reportable quantity.

Question 40Hazardous materials regulations and the Hazardous Materials Table

A driver is reviewing a load of a material whose Hazardous Materials Table entry lists a hazard class and a subsidiary hazard. The driver must decide which label is the primary hazard label on the package. Which statement is correct?

  1. The subsidiary hazard label is always placed first.
  2. The primary hazard label reflects the hazard class shown in the table entry. Correct answer.
  3. The label is chosen by the shipper without reference to the table.
  4. The label is determined by the packing group.

Explanation

The primary hazard label on a package corresponds to the hazard class assigned to the material in the Hazardous Materials Table. Subsidiary labels reflect additional hazards and are placed in the prescribed order, not ahead of the primary label. The packing group reflects severity and does not determine which label is primary.

Question 41Communication rules: shipping papers, placarding, marking and labels

A driver is hauling a load of Division 1.1 explosives. According to the hazardous materials regulations, which shipping paper description is acceptable for this material?

  1. UN0082 Explosives, 1.1D
  2. 1.1D Explosives, blasting, type B, UN0082 Correct answer.
  3. Explosives, blasting, type B, 1.1D, UN0082
  4. Blasting explosives, Class 1, UN0082

Explanation

The basic description on a shipping paper must appear in a specific sequence: the identification number, the proper shipping name, the hazard class or division, and the packing group when one is assigned. For explosives the division (1.1) and compatibility group letter (D) are shown together as the hazard class entry. Only one option follows that required order with the correct class entry.

Question 42Communication rules: shipping papers, placarding, marking and labels

What is the total quantity of hazardous materials shown on a shipping paper used to determine whether placards are required?

  1. The aggregate gross weight of all hazardous materials in the load Correct answer.
  2. The quantity of the single most hazardous material
  3. The net weight of the material only
  4. The quantity in the largest single package

Explanation

Placarding thresholds for most hazard classes are based on the aggregate gross weight of all hazardous materials of that class in the vehicle, not on a single package or a single material. The gross weight includes packaging. Net weight alone is not the figure used for the placarding table.

Question 43Communication rules: shipping papers, placarding, marking and labels

A vehicle carries 1,100 pounds aggregate gross weight of Division 2.2 nonflammable gas. Which placarding outcome is correct?

  1. A NONFLAMMABLE GAS placard is required Correct answer.
  2. Only a CAUTION placard is required
  3. No placard is required because the load is under 1,001 pounds
  4. A FLAMMABLE GAS placard is required

Explanation

The placarding threshold for Division 2.2 is 1,001 pounds aggregate gross weight. Once that threshold is exceeded, the NONFLAMMABLE GAS placard must be displayed on the vehicle. At 1,100 pounds the threshold is met.

Question 44Communication rules: shipping papers, placarding, marking and labels

Which statement correctly describes the relationship between labels and placards?

  1. Labels go on packages; placards go on the transport vehicle Correct answer.
  2. Both labels and placards are applied only to packages
  3. Both labels and placards are applied only to the vehicle
  4. Labels go on the vehicle; placards go on packages

Explanation

Hazard labels are applied to individual packages to communicate the hazard of the contents, while placards are displayed on the exterior of the transport vehicle to warn of the load. The two use similar designs but serve different levels of communication.

Question 45Communication rules: shipping papers, placarding, marking and labels

A shipping paper contains several hazardous materials entries. How must the hazard class of each entry be shown?

  1. As part of the basic description for each entry Correct answer.
  2. Only on the placard, not on the paper
  3. Only in a footnote at the bottom of the page
  4. Only in the emergency response section

Explanation

Each hazardous materials entry on a shipping paper must include a complete basic description, which contains the hazard class or division. The class cannot be relegated to a footnote or omitted because placards carry it. This lets emergency responders identify each material from the paper.

Question 46Communication rules: shipping papers, placarding, marking and labels

A driver must note a hazardous materials emergency response telephone number on the shipping paper. Which number satisfies the requirement?

  1. The number of the shipper's general reception desk
  2. The driver's personal cell phone number
  3. A number monitored at all times during transportation Correct answer.
  4. The number of the nearest fire station

Explanation

The emergency response telephone number on a shipping paper must be monitored at all times while the material is in transportation, including storage incidental to transportation. It must connect to a person who can provide emergency response information. A general office line or an unrelated number does not meet that standard.

Question 47Communication rules: shipping papers, placarding, marking and labels

A shipping paper shows the entry 'RQ' next to a material. What does this notation indicate?

  1. The material requires refrigeration
  2. The material is exempt from placarding
  3. The material is radioactive
  4. The material is a reportable quantity of a hazardous substance Correct answer.

Explanation

The letters RQ on a shipping paper indicate that the material is a hazardous substance being shipped in a quantity that meets or exceeds the reportable quantity for that substance. This notation triggers additional communication requirements. It has nothing to do with radioactivity or temperature control.

Question 48Communication rules: shipping papers, placarding, marking and labels

Where on a transport vehicle must placards be displayed?

  1. Only on the rear of the vehicle
  2. Only on the driver's side door
  3. Only on the front bumper
  4. On both sides and both ends of the vehicle Correct answer.

Explanation

Placards must be displayed on both sides and both ends of a transport vehicle carrying a placardable quantity. This ensures the hazard is visible from any approach direction. Displaying them on only one face leaves responders approaching from other directions uninformed.

Question 49Communication rules: shipping papers, placarding, marking and labels

A driver is reviewing a shipping paper and sees the proper shipping name 'Gasoline' with the hazard class 3. What does the class number 3 identify?

  1. An oxidizing substance
  2. A corrosive liquid
  3. A flammable and combustible liquid Correct answer.
  4. A toxic material

Explanation

Hazard Class 3 covers flammable and combustible liquids, and gasoline is a common example. The class number on the shipping paper tells responders the general hazard family. Corrosives are Class 8, oxidizers are Class 5.1, and toxic materials are Class 6.1.

Question 50Communication rules: shipping papers, placarding, marking and labels

A shipper offers a load of Division 4.3 dangerous when wet material. Which placard is appropriate for the vehicle?

  1. SPONTANEOUSLY COMBUSTIBLE
  2. DANGEROUS WHEN WET Correct answer.
  3. FLAMMABLE SOLID
  4. OXIDIZER

Explanation

Division 4.3 materials react with water to release flammable gas, and the DANGEROUS WHEN WET placard communicates that specific hazard. FLAMMABLE SOLID covers Division 4.1, SPONTANEOUSLY COMBUSTIBLE covers Division 4.2, and OXIDIZER covers Class 5.1. Using the wrong placard would misinform responders about water exposure risks.