CP TDG REVIEW QUESTIONS AND ANSWERS
Before lifting a dangerous goods car, what must you check? - Answer -Operational
soundness (damage, leakage, etc.) and placarding.
What are some signs of leakage on a tank car? - Answer -Moisture, frost or icing, heat
waves, fog, unsual sounds, odd or offensive smells.
What must you check for when inspecting the placards on a car? - Answer -Check that
placards are present, correct, and are legible and not damaged.
You notice gas leaking from a chlorine tank car. What should you do? - Answer -
Secure the area, report the occurrence, gather product information.
A danger placard will indicate.. - Answer -a mixed load shipment.
When a car is carrying dangerous goods, it will be placarded... - Answer -at both ends
and both sides of the car.
Where will the UN number be shown on? - Answer -The center of the placard or on an
orange label to the right of the placard.
What does a subsidiary placard display? - Answer -Information not contained on the
primary placard.
A car which has been unloaded but is not cleaned or purged will continue to display
the.... - Answer -Loaded movement placard.
When lifting a car at a shipper's siding or interchange, a member of the crew will verify
that these 4 items that are indicated on the shipping document. - Answer -Car initial
and number, shipping name, class(es), and 24 hour contact phone number for technical
information.
When lifting dangerous goods cars at shippers siding or interchange, who is responsible
to verify the information on the documents? - Answer -Train or yard crew.
When switching, loaded car of explosive 1.1 or 1.2, poison gas 2.3 and flat cars carrying
containers and trailers bearing any placard must not be: - Answer -Cut off while in
motion and coupled onto by a car moving on its own momentum.
On a train, a car loaded with explosive class 1.1 may be placed next to a tank car
loaded with a flammable gas 2.1. - Answer -Group A (1.1) cannot be placed next to
group B (2.1)
, On a train car, a car with a radioactive class 7 may be placed next to a tank car loaded
with flammable gas 2.1 - Answer -Group D (7) can be placed next to group B (2.1)
On a train, a tank car loaded with corrosive liquid class 8 may be placed next to a flat
car loaded with poles. - Answer -Group D (8) cannot be placed next to any loaded flat
cars as per the General Marshalling Restrictions.
On a train, a car loaded with explosive class 1.5 may be placed next to a loaded car of
explosive class 1.2 - Answer -Group A (1.2) and Group B (1.5) can be placed next to
each other as per the exceptions that Group A and B can be placed together classes
1.3 to 1.6
If a train (not a key train) is carrying dangerous goods, it must be inspected every 60
miles. - Answer -Must be inspected every 60 miles.
In a designated populated area, a train carrying dangerous goods must be inspected
before entering the area and every 15 miles within the area. - Answer -False, trains
carrying dangerous goods must be inspected every 20 miles within the area.
List six indications that a tank car could be leaking - Answer -Visible moisture in the
dome area, frost or icing conditions in the dome area, heat waves in the dome area,
dense fog conditions, unusual sounds, odd or offensive smells
On a train, what is the minimum separation between a tank car loaded with flammable
gas, class 2.1, and the operating locomotive? - Answer -At least one non placarded car
Your train, carrying dangerous goods, is involved in an accident. How will you approach
cars containing dangerous goods? - Answer -From upwind and from as high a level as
possible.
Your train, carrying dangerous goods, is involved in an accident. Who must you call to
report the accident? - Answer -Call the RTC or yard supervisor.
Where will you find the information about potential hazards, public safety and
evacuation instance in the event of an accident involving dangerous goods? - Answer -
In the emergency response guidebook.
A key train must not be operated in excess of how many miles without having been
inspected on each side of the entire train? - Answer -40 miles
Name three methods which can be used to inspect the train? - Answer -Hot box
detector, pull-by inspection, passing train inspection.
What is the maximum allowable speed for a key train? - Answer -50 MPH
Before lifting a dangerous goods car, what must you check? - Answer -Operational
soundness (damage, leakage, etc.) and placarding.
What are some signs of leakage on a tank car? - Answer -Moisture, frost or icing, heat
waves, fog, unsual sounds, odd or offensive smells.
What must you check for when inspecting the placards on a car? - Answer -Check that
placards are present, correct, and are legible and not damaged.
You notice gas leaking from a chlorine tank car. What should you do? - Answer -
Secure the area, report the occurrence, gather product information.
A danger placard will indicate.. - Answer -a mixed load shipment.
When a car is carrying dangerous goods, it will be placarded... - Answer -at both ends
and both sides of the car.
Where will the UN number be shown on? - Answer -The center of the placard or on an
orange label to the right of the placard.
What does a subsidiary placard display? - Answer -Information not contained on the
primary placard.
A car which has been unloaded but is not cleaned or purged will continue to display
the.... - Answer -Loaded movement placard.
When lifting a car at a shipper's siding or interchange, a member of the crew will verify
that these 4 items that are indicated on the shipping document. - Answer -Car initial
and number, shipping name, class(es), and 24 hour contact phone number for technical
information.
When lifting dangerous goods cars at shippers siding or interchange, who is responsible
to verify the information on the documents? - Answer -Train or yard crew.
When switching, loaded car of explosive 1.1 or 1.2, poison gas 2.3 and flat cars carrying
containers and trailers bearing any placard must not be: - Answer -Cut off while in
motion and coupled onto by a car moving on its own momentum.
On a train, a car loaded with explosive class 1.1 may be placed next to a tank car
loaded with a flammable gas 2.1. - Answer -Group A (1.1) cannot be placed next to
group B (2.1)
, On a train car, a car with a radioactive class 7 may be placed next to a tank car loaded
with flammable gas 2.1 - Answer -Group D (7) can be placed next to group B (2.1)
On a train, a tank car loaded with corrosive liquid class 8 may be placed next to a flat
car loaded with poles. - Answer -Group D (8) cannot be placed next to any loaded flat
cars as per the General Marshalling Restrictions.
On a train, a car loaded with explosive class 1.5 may be placed next to a loaded car of
explosive class 1.2 - Answer -Group A (1.2) and Group B (1.5) can be placed next to
each other as per the exceptions that Group A and B can be placed together classes
1.3 to 1.6
If a train (not a key train) is carrying dangerous goods, it must be inspected every 60
miles. - Answer -Must be inspected every 60 miles.
In a designated populated area, a train carrying dangerous goods must be inspected
before entering the area and every 15 miles within the area. - Answer -False, trains
carrying dangerous goods must be inspected every 20 miles within the area.
List six indications that a tank car could be leaking - Answer -Visible moisture in the
dome area, frost or icing conditions in the dome area, heat waves in the dome area,
dense fog conditions, unusual sounds, odd or offensive smells
On a train, what is the minimum separation between a tank car loaded with flammable
gas, class 2.1, and the operating locomotive? - Answer -At least one non placarded car
Your train, carrying dangerous goods, is involved in an accident. How will you approach
cars containing dangerous goods? - Answer -From upwind and from as high a level as
possible.
Your train, carrying dangerous goods, is involved in an accident. Who must you call to
report the accident? - Answer -Call the RTC or yard supervisor.
Where will you find the information about potential hazards, public safety and
evacuation instance in the event of an accident involving dangerous goods? - Answer -
In the emergency response guidebook.
A key train must not be operated in excess of how many miles without having been
inspected on each side of the entire train? - Answer -40 miles
Name three methods which can be used to inspect the train? - Answer -Hot box
detector, pull-by inspection, passing train inspection.
What is the maximum allowable speed for a key train? - Answer -50 MPH
