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Exam Review

Key Facts: ADR Core Module Exam

15 subjects

Mandatory basic-course syllabus headings, covering ADR 8.2.2.3.2(a)–(o)

ADR 2025 8.2.2.3.2

5 years

Initial driver training certificate validity

ADR 2025 8.2.2.8.2

25 / 45

Minimum written questions / minutes after initial basic training; national module arrangements differ

ADR 2025 8.2.2.7.1.6

13.5 hours

18 theoretical teaching units of 45 minutes, with practical units additional

ADR 2025 8.2.2.3.6 and 8.2.2.4.1

National rules

No common ADR-wide pass percentage or fee

ADR Chapter 8.2; national examination bodies

100

Independent practice questions currently available

OpenExamPrep question-bank inventory

ADR initial basic examination minima are 25 written questions and 45 minutes. Exact module counts, pass standards and fees are set nationally. This free independent guide and 100-question practice bank support study; approved training and practical exercises remain necessary.

Sample ADR Core Module Practice Questions

Try these sample questions to review concepts for the ADR Core Module exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1What does the abbreviation "ADR" officially stand for in the context of international dangerous goods transport?
A.Agreement concerning the International Carriage of Dangerous Goods by Road
B.Accident and Disaster Response protocol for Roadways
C.Association for Dangerous Goods Regulations
D.Automotive Directive for Hazardous Cargo and Residues
Explanation: ADR stands for the "Agreement concerning the International Carriage of Dangerous Goods by Road" (from the French: Accord relatif au transport international des marchandises dangereuses par route). This agreement governs the packaging, securing, and labelling of hazardous materials transported by road across Europe and participating contracting states.
2What is the standard validity period of an ADR driver training certificate?
A.5 years
B.3 years
C.2 years
D.10 years
Explanation: Under Chapter 8.2 of the ADR, a driver training certificate is valid for five years. To extend the validity of the certificate, the driver must pass a refresher training course and an examination within the year before the certificate's expiry date.
3Which ADR hazard class covers flammable liquids like gasoline or diesel?
A.Class 3
B.Class 2
C.Class 4.1
D.Class 8
Explanation: Class 3 specifically covers flammable liquids, which are liquids having a flash-point of not more than 60°C. Diesel fuel, gas oil, and heating oil (light) are also classified under Class 3 even if their flash-point is above 60°C (up to 100°C).
4Which ADR hazard class covers corrosive substances that cause damage to skin or materials?
A.Class 8
B.Class 6.1
C.Class 9
D.Class 5.1
Explanation: Class 8 covers corrosive substances. These are substances which, by chemical action, attack epithelial tissue of skin or mucous membranes, or cause leakage or destruction of other goods or vehicles if spilled.
5What is the main hazard associated with Class 2 substances in the ADR classification system?
A.Gases
B.Explosives
C.Radioactive materials
D.Oxidizing agents
Explanation: Class 2 covers gases, which includes pure gases, mixtures of gases, and articles containing such substances. Gases are further categorized as compressed, liquefied, refrigerated liquefied, dissolved, adsorbed, aerosol dispensers, and chemicals under pressure.
6Which packing group is assigned to dangerous substances presenting the highest degree of danger?
A.Packing Group I
B.Packing Group II
C.Packing Group III
D.Packing Group IV
Explanation: ADR uses packing groups to indicate the degree of danger of a substance. Packing Group I represents high danger, Packing Group II represents medium danger, and Packing Group III represents low danger.
7Which ADR hazard class covers toxic substances that can cause harm or death if inhaled, swallowed, or absorbed?
A.Class 6.1
B.Class 6.2
C.Class 8
D.Class 9
Explanation: Class 6.1 covers toxic substances, which are known or assumed to cause death, serious injury, or harm to human health if swallowed, inhaled, or placed in contact with the skin.
8In which part of the ADR regulations can a driver find the numerical list of all UN numbers and their specific transport requirements?
A.Table A of Chapter 3.2
B.Annex B, Chapter 8.2
C.Table B of Chapter 3.2
D.Annex A, Chapter 1.1
Explanation: Table A of Chapter 3.2 (Dangerous Goods List) is the central reference table in ADR. It contains over 3,000 UN numbers listed in numerical order, providing details on class, packing group, labels, special provisions, packaging instructions, and tunnel codes.
9What does "Packing Group II" signify in the ADR dangerous goods classification?
A.Substances presenting medium danger
B.Substances presenting high danger
C.Substances presenting low danger
D.Substances presenting no danger but requiring ventilation
Explanation: Packing Group II is assigned to substances presenting medium danger. Package testing specifications for Packing Group II must meet a medium level of drop and leak tightness compared to Packing Group I.
10Which ADR hazard class includes substances which, in contact with water, emit flammable gases?
A.Class 4.3
B.Class 4.2
C.Class 4.1
D.Class 5.2
Explanation: Class 4.3 covers substances which, in contact with water, emit flammable gases. These substances are highly dangerous because contact with moisture or water can produce explosive gas mixtures (such as hydrogen or acetylene).

About the ADR Core Module Exam

Independent preparation for ADR basic driver training across contracting parties. ADR 2025 Chapter 8.2 sets common training subjects and examination minima; national authorities organise their own courses, modules, admission rules and tests. Required certificates and exemptions depend on the goods and transport mode. The driver card specifies authorised classes and modes and normally lasts five years.

Exam sponsor: National competent authorities or their designated examination bodies under ADR Chapter 8.2. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

Question count not published by the exam provider

Time Limit

Initial basic examination: at least 45 minutes under ADR 8.2.2.7.1.6; refresher: at least 30 minutes. National arrangements differ; Ireland currently allows one hour for its basic exam.

Passing Score

Set nationally; ADR Chapter 8.2 does not prescribe a common percentage. Ireland: at least 8 correct out of 12 in each of three sections, giving at least 24/36 overall. Check the rules for the country where you sit the exam.

Exam / Certification Fees

No single ADR-wide fee. Obtain an itemised quote from an approved provider for training, examinations and card issue. Ireland: CILT lists €125 for the initial basic exam, excluding training (checked 17 October 2026).

Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

No common ADR-wide percentage published

General requirements and classification

ADR 8.2.2.3.2(a), (b), (d): participant responsibilities, exemptions, UN numbers, proper shipping names, packing groups and hazard-specific prevention.

No common ADR-wide percentage published

Environmental protection and waste transfer

ADR 8.2.2.3.2(c): waste classification and documents, authorised recipients, transfer controls and pollution prevention.

No common ADR-wide percentage published

Marking, documentation and vehicle equipment

ADR 8.2.2.3.2(f), (h): package labels and marks, placards, orange plates, technical equipment and required onboard documentation.

No common ADR-wide percentage published

Driver conduct, loading and stowage

ADR 8.2.2.3.2(g), (i), (j), (m): pre-trip checks, mixed loading, handling, load restraint, unloading and supervision.

No common ADR-wide percentage published

Accident actions and personal protection

ADR 8.2.2.3.2(e): first aid, road safety, fire response, PPE limitations and practical exercises.

No common ADR-wide percentage published

Liability, multimodal transport, tunnels and security

ADR 8.2.2.3.2(k), (l), (n), (o): civil liability, modal handovers, tunnel restrictions and security awareness.

Preparing for the ADR Core Module Exam

What You Need to Know

  • Passing score: Set nationally; ADR Chapter 8.2 does not prescribe a common percentage. Ireland: at least 8 correct out of 12 in each of three sections, giving at least 24/36 overall. Check the rules for the country where you sit the exam.
  • Assessment: Question count not published by the exam provider
  • Time limit: Initial basic examination: at least 45 minutes under ADR 8.2.2.7.1.6; refresher: at least 30 minutes. National arrangements differ; Ireland currently allows one hour for its basic exam.
  • Exam / certification fees: No single ADR-wide fee. Obtain an itemised quote from an approved provider for training, examinations and card issue. Ireland: CILT lists €125 for the initial basic exam, excluding training (checked 17 October 2026). Official sources

Using Our Practice Resources

  • Work through all 100 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

ADR Core Module: Suggested Study Strategy

1Check your national module, format, admission and pass rules before booking.
2Read primary and subsidiary hazard labels together and use Table A for the assigned UN entry.
3Separate ADR carriage quantities, LQ inner-package limits and transport categories; they are different tests.
4Practise the mixed-loading table and food-separation alternatives without inventing class-wide prohibitions.
5Read the exact tunnel-code row for the transport mode, including the rule for LQ loads over 8 tonnes.
6Learn emergency priorities, first aid and PPE limitations through approved practical training.

Frequently Asked Questions

What does this ADR core guide cover?

This independent guide teaches the common ADR basic-course subjects in 8.2.2.3.2(a)–(o). “Core” is used differently in national modular systems; confirm which additional modules and examinations are needed for the card you want.

How many questions and minutes does the exam have?

ADR requires at least 25 written questions and 45 minutes for the initial basic examination; refresher minima are 15 questions and 30 minutes. National module arrangements differ. CILT in Ireland currently publishes 36 questions in one hour for the initial basic exam.

What score and fee should I expect?

ADR does not set a common pass percentage or fee. Ireland’s CILT requires at least 8/12 correct in each of three sections and lists a €125 initial basic examination fee, excluding training. Obtain the current rules and total cost from your own approved provider.

How much approved training is required?

ADR specifies at least 18 teaching units for initial basic theory, normally 45 minutes each: 13.5 hours, plus practical exercises. National modular courses allocate training differently; independent reading cannot replace approved attendance and practical work.

How is an ADR driver certificate renewed?

The initial certificate lasts five years. Complete approved refresher training and pass the exam before expiry. Passing within the final 12 months extends validity from the old expiry; earlier renewal runs five years from the refresher exam. After expiry, initial training and examination are normally required again.

Does passing core permit every type of dangerous goods driving?

No. Check the card’s endorsed classes and modes and the national module requirements. Tank specialisation thresholds differ for fixed tanks/battery-vehicles and tank-containers/portable tanks/MEGCs. Class 1 and Class 7 also have specialisation rules and specific exemptions.

Where is the certificate recognised and what if I fail?

ADR 8.2.1.6 provides mutual acceptance of valid compliant certificates by other contracting parties. Retake rules are national. Great Britain currently allows retakes of failed modules within 16 weeks without repeating training; confirm the rules where you train.