Under the TDG Act, what does "public safety" cover?
TDG Practice Test 1
25 questions on tdg law, key terms and penalties, classification, un numbers and schedule 1, shipping documents, labels, placards and un numbers, exemptions and special cases and more.
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- 25 questions
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All 25 questions in this test
Every question and its answer choices. The correct answers and explanations appear when you take the test above.
Under the TDG Act, what does "public safety" cover?
- Human life and health, property and the environment
- Only the safety of drivers and train crews
- Only damage to roads, rails and bridges
- Only people living near a transport route
Who must classify dangerous goods before they are transported from a Canadian site?
- The consignor
- The consignee
- The carrier
- The driver
A driver is in the truck cab with dangerous goods on board. Where must the shipping document be?
- In the glove box, locked away from view
- In the trailer, in a holder next to the dangerous goods themselves
- At the dispatch office, ready to be faxed
- In a pocket on the driver's door or within the driver's reach
Where must the primary class placard appear on a loaded tank trailer?
- On the front only
- On each side and each end
- On the rear only
- On the left side and the rear
Under the 500 kg special case, which Parts of the Regulations still apply?
- Part 6 training and Part 8 reporting still apply
- Only Part 3 documents continue to apply
- Only Part 7 on ERAPs continues to apply
- No part of the Regulations applies at all
An owner-operator truck driver works for himself. Who issues his TDG training certificate?
- The company that sold him the online course
- Transport Canada's regional office
- The customer whose goods he carries
- He issues it to himself once he is adequately trained
Which goods are ERAPs designed for?
- All goods carried on a highway
- Only goods sold to the public
- Certain higher-risk dangerous goods
- Only goods shipped by air
A new warehouse worker has no certificate yet. When may they load dangerous goods?
- Under the direct supervision of a trained, certified person who is present
- Once they have signed up for a course next month
- When a certified supervisor watches them on a camera feed
- After watching a training video at home on their own time and passing a quiz
What is a compliance mark?
- A placard that shows the primary class of the dangerous goods inside
- A mark required by a safety standard, showing the container meets it
- A stamp showing the driver completed TDG training
- A sticker that shows the shipment passed a TDG inspection
What does the code E0 in column 6(b) of Schedule 1 mean?
- The goods are not permitted as an excepted quantity
- The goods are exempt from every part of the Regulations
- The goods may be shipped in any quantity by air
- The goods need no label when shipped in small boxes
Which mark is used on packages shipped as excepted quantities?
- An orange panel with a UN number
- A diamond with the word DANGER
- A hatched square with a stylized E
- A white square with a black Y
A single tank holds goods of one UN number in a quantity above the Schedule 1 column 7 figure. What applies?
- A DANGER placard may be used
- An approved ERAP is required
- The 500 kg exemption applies
- No placard is needed
On a Schedule 1 entry, where are subsidiary classes shown?
- In upper case after the shipping name
- In parentheses under the primary class
- In column 7 after the ERAP index
- As a letter after the UN number
What is a consolidation bin used for?
- Mixing two dangerous goods together before they are shipped
- Storing empty drums at a terminal until they are cleaned
- Collecting leaks from a damaged rail tank car until a response team can arrive
- Keeping small containers from shifting in a road vehicle, with room to add or remove some
How high must the UN number digits be when displayed on a large means of containment?
- At least 12 mm
- At least 6 mm
- At least 65 mm
- At least 25 mm
What is the normal minimum side length of a label on a package?
- 25 mm
- 50 mm
- 250 mm
- 100 mm
A flammable liquid boils at 30 °C. Which packing group applies?
- Packing Group I
- It depends only on the flash point
- Packing Group II
- Packing Group III
A company is convicted on indictment of a TDG offence. What is the maximum prison term the Act allows?
- Five years
- Six months
- Ten years
- Two years
What does a plan holder do when implementing an ERAP at tier 1?
- Send a full response team and its equipment straight to the scene
- Wait for the 30-day report before taking any action
- Close the highway and direct traffic around the site
- Give technical advice quickly and monitor the response remotely
A cylinder of a Class 2.2 gas leaks during transport. Which quantity triggers the emergency report?
- More than 500 kg
- More than 30 L
- More than 150 kg
- Any quantity
In which languages may TDG shipping document information be written?
- English only
- English or French
- Any language the carrier reads
- French and English together
How long must a copy of the 30-day follow-up report be kept?
- One year
- Five years
- Two years
- Six months
What does Packing Group I indicate?
- Medium danger
- Great danger
- No danger in transport
- Minor danger
A US-licensed truck driver is trained under 49 CFR and drives into Canada. Is that US training record valid here?
- Only for goods that need no placards at all
- No, a Canadian employer must issue a new one at the border
- Yes, while it is valid in the United States
- Only if CANUTEC stamps it at the first stop
Medical laboratory samples that could cause disease are in which division?
- Class 6.2
- Class 6.1
- Class 9
- Class 8
All TDG practice tests
- TDG Mock Exam 1 – 30 QuestionsUntimed practice · answers explained
- TDG Mock Exam 2 – 30 QuestionsUntimed practice · answers explained
- TDG Mock Exam 3 – 30 QuestionsUntimed practice · answers explained
- TDG Mock Exam 4 – 30 QuestionsUntimed practice · answers explained
- TDG law, key terms and penaltiesWhat the Transportation of Dangerous Goods Act and Regulations cover, who counts as a consignor, carrier or employer, what handling and offering for transport mean, small versus large means of containment, offences and penalties, and how to reach CANUTEC.
- The nine classes and their divisionsAll nine classes of dangerous goods and their divisions, from Class 1.1 explosives to Class 9 miscellaneous goods, the criteria that place a substance in each class, and what Packing Groups I, II and III mean.
- Classification, UN numbers and Schedule 1Who must classify dangerous goods, when a substance counts as dangerous goods, how UN numbers and shipping names work, and how to read the columns of Schedule 1, including the limited quantity and ERAP indexes.
- Shipping documentsWhat a TDG shipping document must contain and in what order, the 24-hour number, the consignor's certification, where the driver or crew keeps it, and how long consignors and carriers keep copies.
- Labels, placards and UN numbersDangerous goods marks: labels on small containers, placards and UN numbers on large ones, sizes and orientation, the DANGER placard, the 500 kg placarding exemption and when marks must be removed.
About this practice test
How many questions are in TDG practice test 1?
25 original multiple-choice practice questions covering tdg law, key terms and penalties, classification, un numbers and schedule 1, shipping documents, labels, placards and un numbers, exemptions and special cases, training and the tdg certificate, emergency response assistance plans (erap), means of containment, the nine classes and their divisions, reporting releases, loss and theft. Each answer includes an explanation. This mixed practice set does not reproduce the official exam format or predict an official score.
Are the questions the same every time?
Yes. Practice test 1 always has the same 25 questions, so you can repeat it until you get them all right. The other 5 sets use different questions.
Are these real test questions?
No. The official question bank is not published. These are original questions written from the official handbook, which is what the real TDG test is based on.