IATA Dangerous Goods Regulations (DGR) Exam – {NEW VERSION} Questions Comprehensive Exam Prep with Correct Answers and Detailed Explanations INSTANT DOWNLOAD PDf

IATA Dangerous Goods Regulations (DGR)
Exam – {NEW VERSION} Questions
Comprehensive Exam Prep with Correct
Answers and Detailed Explanations INSTANT
DOWNLOAD PDF


EXAM OVERVIEW

Aspect Details
Regulatory IATA Dangerous Goods Regulations (DGR) – 67th Edition (2026/2027)
Standard
ICAO Alignment ICAO Technical Instructions (TI) 2025-2026
Exam Format Multiple choice + Shipment Problems
Passing Score 80% (required by IATA standards)
Open Book Current IATA DGR manual is permitted
Validity Period 24 months from month of training completion
Revalidation Recurrent training required within 24 months; can be completed up to 3
months before expiry without shortening validity




SECTION 1: CLASSIFICATION OF DANGEROUS GOODS – HAZARD CLASSES
(Questions 1-35)
Q1. According to IATA DGR, explosives are assigned to which hazard class?

A. Class 1
B. Class 2

,C. Class 3
D. Class 4

Correct Answer: A. Class 1
Class 1 covers explosives, including substances and articles that can produce an explosion.
This class is divided into six divisions (1.1 through 1.6) based on the type and severity of the
explosion hazard .




Q2. Flammable gases are classified under which IATA DGR hazard class/division?
A. Class 2.1
B. Class 2.2
C. Class 3
D. Class 4.1
Correct Answer: A. Class 2.1
Class 2 covers gases. Division 2.1 is specifically for flammable gases. Division 2.2 covers
non-flammable, non-toxic gases, and Division 2.3 covers toxic gases .




Q3. Which hazard class does NOT have packing groups (I, II, or III)?
A. Class 3 – Flammable Liquids
B. Class 4.2 – Spontaneously Combustible
C. Class 5.1 – Oxidizing Substances
D. Class 2 – Gases

Correct Answer: D. Class 2 – Gases

Packing groups (I, II, III) apply only to Classes 3, 4, 5, 6.1, 8, and 9. Gases (Class 2) are
assigned to divisions based on their physical properties and hazards, not packing groups .

,Q4. Toxic substances are classified under which IATA DGR class?

A. Class 5
B. Class 6.1
C. Class 7
D. Class 8
Correct Answer: B. Class 6.1

Class 6.1 covers toxic substances that can cause harm to human health if inhaled,
swallowed, or absorbed through the skin. Infectious substances are covered under Class
6.2 .




Q5. Flammable liquids are assigned to which IATA DGR hazard class?
A. Class 2
B. Class 3
C. Class 4
D. Class 5

Correct Answer: B. Class 3

Class 3 covers flammable liquids, which are liquids with a flash point of 60°C or below. This
includes fuels, paints, solvents, and many other common hazardous materials .




Q6. Corrosive substances are assigned to which IATA DGR hazard class?
A. Class 6
B. Class 7
C. Class 8
D. Class 9

Correct Answer: C. Class 8

Class 8 covers corrosive substances that can cause severe damage to living tissue or other
materials through chemical action. Examples include acids and bases .

, Q7. Radioactive materials are assigned to which IATA DGR hazard class?

A. Class 5
B. Class 6
C. Class 7
D. Class 9

Correct Answer: C. Class 7

Class 7 covers radioactive materials that emit ionizing radiation. Special packaging
requirements and transport indexes (TI) are required for these materials .




Q8. Miscellaneous dangerous goods, including environmentally hazardous
substances, are assigned to which IATA DGR hazard class?
A. Class 8
B. Class 9
C. Class 6
D. Class 5

Correct Answer: B. Class 9
Class 9 covers miscellaneous dangerous goods that present a hazard but do not fit into
other classes. This includes environmentally hazardous substances, dry ice (UN1845),
lithium batteries, and elevated temperature substances .




Q9. Which hazard class covers gases that are non-flammable and non-toxic?

A. Class 2.1
B. Class 2.2
C. Class 2.3
D. Class 3