CDL knowledge test for driving Tank
Vehicles with complete solutions
A tank endorsement is required for certain vehicles that transport what? - correct answer ✔✔Liquids or
gases
-The liquid or gas does not have to be a hazardous material. A tank endorsement is required if your
vehicle needs a Class A or B CDL and you want to haul a liquid or liquid gas in a tank or tanks having an
individual rated capacity of more than 119 gallons and an aggregate rated capacity of 1000 gallons or
more that is either permanently or temporarily attached to the vehicle or the chassis
Before loading, unloading, or driving a tanker, you should: - correct answer ✔✔Inspect the vehicle
-this make sure that the vehicle is safe to carry the liquid or gas and it's safe to drive
What should you check to make sure you know how to inspect your tank vehicle? - correct answer
✔✔The vehicle operator manual
On all tank vehicles, what is the most important item to check for? - correct answer ✔✔Leaks
When checking for leaks where should you look? - correct answer ✔✔Under and around the vehicle
You should not carry_____ or ______ in a leaking tank. - correct answer ✔✔Liquids or gases
-to do so is a crime. You will be cited and prevented from driving further. You may also be liable for the
cleanup of any spill.
Check the tanks body or shell for: - correct answer ✔✔Dents or leaks
Always check_____ , _______ , and _____ valves Before loading, unloading, or moving the vehicle. -
correct answer ✔✔The intake, discharge, and cut-off
, Before doing anything with vehicle you should make sure valves are: - correct answer ✔✔In correct
position
You should check pipes, connections, and hoses for leaks. especially around: - correct answer ✔✔Joints
Make sure covers have _____ and they _____ correctly. - correct answer ✔✔Gaskets and they close
correctly
-keep the vents clear so they work correctly.
You should never drive a vehicle: - correct answer ✔✔With open valves and manhole covers
If your vehicle has any of the following equipment:
•Vapor recovery kits
•grounding and bonding cables
•emergency shut-off systems
•built in fire extinguisher
What should you do? - correct answer ✔✔Make sure it works properly
To find out what equipment you're required to carry and make sure you have it, and it works, you should
check: - correct answer ✔✔The emergency equipment required for your vehicle
Why does hauling liquids and tanks require special skills? - correct answer ✔✔Because of the high
center of gravity and liquid movement
High center of gravity - correct answer ✔✔much of the loads weight is carried high up off the ground
Because the loads weight is carried high up off the ground this makes the vehicle _____ and ______. -
correct answer ✔✔Top-heavy and easy to roll over
Which tankers are easy to roll over? - correct answer ✔✔Liquid tankers
Vehicles with complete solutions
A tank endorsement is required for certain vehicles that transport what? - correct answer ✔✔Liquids or
gases
-The liquid or gas does not have to be a hazardous material. A tank endorsement is required if your
vehicle needs a Class A or B CDL and you want to haul a liquid or liquid gas in a tank or tanks having an
individual rated capacity of more than 119 gallons and an aggregate rated capacity of 1000 gallons or
more that is either permanently or temporarily attached to the vehicle or the chassis
Before loading, unloading, or driving a tanker, you should: - correct answer ✔✔Inspect the vehicle
-this make sure that the vehicle is safe to carry the liquid or gas and it's safe to drive
What should you check to make sure you know how to inspect your tank vehicle? - correct answer
✔✔The vehicle operator manual
On all tank vehicles, what is the most important item to check for? - correct answer ✔✔Leaks
When checking for leaks where should you look? - correct answer ✔✔Under and around the vehicle
You should not carry_____ or ______ in a leaking tank. - correct answer ✔✔Liquids or gases
-to do so is a crime. You will be cited and prevented from driving further. You may also be liable for the
cleanup of any spill.
Check the tanks body or shell for: - correct answer ✔✔Dents or leaks
Always check_____ , _______ , and _____ valves Before loading, unloading, or moving the vehicle. -
correct answer ✔✔The intake, discharge, and cut-off
, Before doing anything with vehicle you should make sure valves are: - correct answer ✔✔In correct
position
You should check pipes, connections, and hoses for leaks. especially around: - correct answer ✔✔Joints
Make sure covers have _____ and they _____ correctly. - correct answer ✔✔Gaskets and they close
correctly
-keep the vents clear so they work correctly.
You should never drive a vehicle: - correct answer ✔✔With open valves and manhole covers
If your vehicle has any of the following equipment:
•Vapor recovery kits
•grounding and bonding cables
•emergency shut-off systems
•built in fire extinguisher
What should you do? - correct answer ✔✔Make sure it works properly
To find out what equipment you're required to carry and make sure you have it, and it works, you should
check: - correct answer ✔✔The emergency equipment required for your vehicle
Why does hauling liquids and tanks require special skills? - correct answer ✔✔Because of the high
center of gravity and liquid movement
High center of gravity - correct answer ✔✔much of the loads weight is carried high up off the ground
Because the loads weight is carried high up off the ground this makes the vehicle _____ and ______. -
correct answer ✔✔Top-heavy and easy to roll over
Which tankers are easy to roll over? - correct answer ✔✔Liquid tankers
