CDL Tanker Endorsement 2025 Comprehensive
Questions And Verified Answers/ Complete Solutions
With Rationales |Get It 100% Accurate!! Already Passed!!
1. Baffles in a tanker... !@#$$$$$$$$$$%
- make the tanker easier to clean out
- control forward and backward liquid surge
- allow you to haul mixed loads
- eliminate side to side surge - (ANSWERS)control forward and backward liquid
surge
2. When the tanks are partially filled, the movement of the liquid is called...
- Surging
- Waves
- Splashing
- Rocking - (ANSWERS)Surging
3. Stop valves in a cargo tank...
- break off in an emergency
- close in an emergency
- can only be operated manually
- protect the tank and piping from rear end collisions - (ANSWERS)close in an
emergency
4. A baffled tanker is one with...
- Walls with holes inside the trailer for the liquid to flow through
- Separate tanks inside the trailer
- Hollow balls floating in the liquid to slow movement
- None of the above - (ANSWERS)Walls with holes inside the trailer for the liquid to
flow through
5. Dividers inside tankers that have openings at the top and bottom are called...
- bulkheads
- baffles
- waffles
- barriers - (ANSWERS)baffles
6. Which is the most stable tanker shape?
- van
- double conical
- cylindrical
- elliptical - (ANSWERS)elliptical
7. A liquid tank trailer that has no baffles is most often used for...
- Milk or food products
, CDL Tanker Endorsement 2025 Comprehensive
Questions And Verified Answers/ Complete Solutions
With Rationales |Get It 100% Accurate!! Already Passed!!
- Gasoline !@#$$$$$$$$$$%
- Liquid gas
- Liquid fertilizer - (ANSWERS)Milk or food products
8. Outage is defined as...
- The process of liquid expansion as it becomes warm
- The liquid that must be drained to conform to weight limits
- The loss of power to the hydraulics
- The loss of headlights on the tractor - (ANSWERS)The process of liquid expansion
as it becomes warm
9. The best way to prevent rolling over when pulling a tanker through a curve is...
- travel at speeds below the posted limits
- travel faster than the posted speed limit
- make sure you brake hard through the curve
- start "fanning" the brakes - (ANSWERS)travel at speeds below the posted limits
10. You should observe the posted limits for curves and be aware that...
- Tank trucks have a higher center of gravity
- The posted speeds may not be slow enough for a tank truck
- A rollover can still occur when traveling at posted speeds in a tank truck
- All of the above - (ANSWERS)Tank trucks have a higher center of gravity
11. When driving a smooth bore tanker combination, be especially cautious...
- While ascending a hill
- While descending a hill
- When starting and stopping
- When loading or unloading - (ANSWERS)When starting and stopping
12. The cladding in a tanker...
- cuts down on liquid surge
- cools down or heats up the cargo
- protects the tanker from corrosive cargo
- protects cargo from temperature extremes - (ANSWERS)protects the tanker from
corrosive cargo
13. The liquid inside the bulk tank can cause a tank truck to roll sideways...
- When traveling around a curve
- Even with baffles inside the trailer to slow flow
- Even when traveling at posted speeds
- All of the above - (ANSWERS)All of the above
Questions And Verified Answers/ Complete Solutions
With Rationales |Get It 100% Accurate!! Already Passed!!
1. Baffles in a tanker... !@#$$$$$$$$$$%
- make the tanker easier to clean out
- control forward and backward liquid surge
- allow you to haul mixed loads
- eliminate side to side surge - (ANSWERS)control forward and backward liquid
surge
2. When the tanks are partially filled, the movement of the liquid is called...
- Surging
- Waves
- Splashing
- Rocking - (ANSWERS)Surging
3. Stop valves in a cargo tank...
- break off in an emergency
- close in an emergency
- can only be operated manually
- protect the tank and piping from rear end collisions - (ANSWERS)close in an
emergency
4. A baffled tanker is one with...
- Walls with holes inside the trailer for the liquid to flow through
- Separate tanks inside the trailer
- Hollow balls floating in the liquid to slow movement
- None of the above - (ANSWERS)Walls with holes inside the trailer for the liquid to
flow through
5. Dividers inside tankers that have openings at the top and bottom are called...
- bulkheads
- baffles
- waffles
- barriers - (ANSWERS)baffles
6. Which is the most stable tanker shape?
- van
- double conical
- cylindrical
- elliptical - (ANSWERS)elliptical
7. A liquid tank trailer that has no baffles is most often used for...
- Milk or food products
, CDL Tanker Endorsement 2025 Comprehensive
Questions And Verified Answers/ Complete Solutions
With Rationales |Get It 100% Accurate!! Already Passed!!
- Gasoline !@#$$$$$$$$$$%
- Liquid gas
- Liquid fertilizer - (ANSWERS)Milk or food products
8. Outage is defined as...
- The process of liquid expansion as it becomes warm
- The liquid that must be drained to conform to weight limits
- The loss of power to the hydraulics
- The loss of headlights on the tractor - (ANSWERS)The process of liquid expansion
as it becomes warm
9. The best way to prevent rolling over when pulling a tanker through a curve is...
- travel at speeds below the posted limits
- travel faster than the posted speed limit
- make sure you brake hard through the curve
- start "fanning" the brakes - (ANSWERS)travel at speeds below the posted limits
10. You should observe the posted limits for curves and be aware that...
- Tank trucks have a higher center of gravity
- The posted speeds may not be slow enough for a tank truck
- A rollover can still occur when traveling at posted speeds in a tank truck
- All of the above - (ANSWERS)Tank trucks have a higher center of gravity
11. When driving a smooth bore tanker combination, be especially cautious...
- While ascending a hill
- While descending a hill
- When starting and stopping
- When loading or unloading - (ANSWERS)When starting and stopping
12. The cladding in a tanker...
- cuts down on liquid surge
- cools down or heats up the cargo
- protects the tanker from corrosive cargo
- protects cargo from temperature extremes - (ANSWERS)protects the tanker from
corrosive cargo
13. The liquid inside the bulk tank can cause a tank truck to roll sideways...
- When traveling around a curve
- Even with baffles inside the trailer to slow flow
- Even when traveling at posted speeds
- All of the above - (ANSWERS)All of the above
