IATA Dangerous Goods Regulations (DGR)
Practice Exam Questions and Answers with
Rationales Latest Versions
Question 1
What is the primary purpose of the IATA Dangerous Goods Regulations (DGR)?
A. To regulate passenger ticket prices
B. To provide standards for the safe transport of dangerous goods by air
C. To establish airport security screening procedures only
D. To regulate aircraft maintenance
Correct Answer: B
Rationale:
The IATA DGR provides requirements and guidance for the safe transport of
dangerous goods by air, including classification, identification, packing, marking,
labeling, documentation, handling, and acceptance. It incorporates relevant
provisions of the ICAO Technical Instructions and additional industry
requirements.
Question 2
Which organization publishes the Dangerous Goods Regulations (DGR) used
extensively by the air transport industry?
A. IATA
B. IMO
C. WHO
D. ICA
Correct Answer: A
Rationale:
The International Air Transport Association (IATA) publishes the DGR. The
,regulations are based on the ICAO Technical Instructions and include additional
IATA requirements.
Question 3
A dangerous good is being offered for air transport. What should generally be
determined first?
A. The passenger's destination
B. The proper shipping name and UN/ID number
C. The aircraft registration number
D. The airline's baggage allowance
Correct Answer: B
Rationale:
Correct identification is fundamental. The shipper must determine the applicable
UN/ID number, proper shipping name (PSN), hazard class/division, packing
group where applicable, and other classification information before
determining packaging, labeling, marking, and documentation requirements.
Question 4
How many hazard classes are used in the UN dangerous goods classification
system?
A. 7
B. 8
C. 9
D. 10
Correct Answer: C
Rationale:
Dangerous goods are divided into nine hazard classes. Some classes contain
divisions, such as Class 1 explosives and Class 2 gases.
,Question 5
Which of the following is Class 3?
A. Flammable liquids
B. Flammable solids
C. Oxidizing substances
D. Toxic substances
Correct Answer: A
Rationale:
Class 3 covers flammable liquids. Examples can include certain paints, solvents,
fuels, and alcohol-containing products depending on their classification.
Question 6
Which hazard class covers gases?
A. Class 1
B. Class 2
C. Class 3
D. Class 4
Correct Answer: B
Rationale:
Class 2 covers gases. It is divided into:
• 2.1: Flammable gases
• 2.2: Non-flammable, non-toxic gases
• 2.3: Toxic gases
Question 7
Which division represents flammable gases?
, A. 2.1
B. 2.2
C. 2.3
D. 3.1
Correct Answer: A
Rationale:
Division 2.1 is assigned to flammable gases. These substances can ignite when
mixed with air and exposed to an ignition source.
Question 8
Which division represents toxic gases?
A. 2.1
B. 2.2
C. 2.3
D. 4.3
Correct Answer: C
Rationale:
Division 2.3 applies to toxic gases. These gases present a significant inhalation
hazard and require appropriate controls during air transport.
Question 9
Which class includes substances that may cause or intensify fire by releasing
oxygen?
A. Class 2
B. Class 3
C. Class 5
D. Class 8
Correct Answer: C
Practice Exam Questions and Answers with
Rationales Latest Versions
Question 1
What is the primary purpose of the IATA Dangerous Goods Regulations (DGR)?
A. To regulate passenger ticket prices
B. To provide standards for the safe transport of dangerous goods by air
C. To establish airport security screening procedures only
D. To regulate aircraft maintenance
Correct Answer: B
Rationale:
The IATA DGR provides requirements and guidance for the safe transport of
dangerous goods by air, including classification, identification, packing, marking,
labeling, documentation, handling, and acceptance. It incorporates relevant
provisions of the ICAO Technical Instructions and additional industry
requirements.
Question 2
Which organization publishes the Dangerous Goods Regulations (DGR) used
extensively by the air transport industry?
A. IATA
B. IMO
C. WHO
D. ICA
Correct Answer: A
Rationale:
The International Air Transport Association (IATA) publishes the DGR. The
,regulations are based on the ICAO Technical Instructions and include additional
IATA requirements.
Question 3
A dangerous good is being offered for air transport. What should generally be
determined first?
A. The passenger's destination
B. The proper shipping name and UN/ID number
C. The aircraft registration number
D. The airline's baggage allowance
Correct Answer: B
Rationale:
Correct identification is fundamental. The shipper must determine the applicable
UN/ID number, proper shipping name (PSN), hazard class/division, packing
group where applicable, and other classification information before
determining packaging, labeling, marking, and documentation requirements.
Question 4
How many hazard classes are used in the UN dangerous goods classification
system?
A. 7
B. 8
C. 9
D. 10
Correct Answer: C
Rationale:
Dangerous goods are divided into nine hazard classes. Some classes contain
divisions, such as Class 1 explosives and Class 2 gases.
,Question 5
Which of the following is Class 3?
A. Flammable liquids
B. Flammable solids
C. Oxidizing substances
D. Toxic substances
Correct Answer: A
Rationale:
Class 3 covers flammable liquids. Examples can include certain paints, solvents,
fuels, and alcohol-containing products depending on their classification.
Question 6
Which hazard class covers gases?
A. Class 1
B. Class 2
C. Class 3
D. Class 4
Correct Answer: B
Rationale:
Class 2 covers gases. It is divided into:
• 2.1: Flammable gases
• 2.2: Non-flammable, non-toxic gases
• 2.3: Toxic gases
Question 7
Which division represents flammable gases?
, A. 2.1
B. 2.2
C. 2.3
D. 3.1
Correct Answer: A
Rationale:
Division 2.1 is assigned to flammable gases. These substances can ignite when
mixed with air and exposed to an ignition source.
Question 8
Which division represents toxic gases?
A. 2.1
B. 2.2
C. 2.3
D. 4.3
Correct Answer: C
Rationale:
Division 2.3 applies to toxic gases. These gases present a significant inhalation
hazard and require appropriate controls during air transport.
Question 9
Which class includes substances that may cause or intensify fire by releasing
oxygen?
A. Class 2
B. Class 3
C. Class 5
D. Class 8
Correct Answer: C