FREE MS CDL Tanker Practice Test (2024)

1. Do not smoke within ______ of a placarded cargo tank used for flammable liquids (Class 3) or gases (Division 2.1).

2. With low beams, drivers can see ahead about:

3. How should you apply the brakes when going down a steep downgrade?

Apply the brakes when you reach the bottom of the downgrade.
Apply the brakes whenever you reach your safe speed, until your speed has been reduced to 5 mph below your safe speed.
Apply the brakes as hard as you can without locking the wheels.
You should not brake, and only use engine braking to prevent brake failure.

4. A placarded vehicle must have at least ___ identical placards.

5. Your vehicle may take longer to stop:

if the tank is empty.
if you are driving in hot weather.
if the road is dry.
if the tank is full of dense liquid.

6. If you are stopped on an incline, how can you start moving without rolling back?

Fully engage the clutch
Apply the parking brake
Shift to neutral
Aggressively pump the accelerator

7. Warnings on low bridges or underpasses:

are always posted.
must be posted.
are often posted, but sometimes they are not.
None of the above.

8. Which of the following statements about tankers is true?

Unbaffled liquid tankers have nothing inside to slow down the flow of the liquid.
When loading and unloading smaller tanks, do not put too much weight on the front or rear of the vehicle.
A high center of gravity makes a vehicle more prone to rollover accidents.
All of the above.

9. The trailer hand valve should be used:

only in an emergency.
only when applying the brakes hard.
only on slippery surfaces.
only to test the trailer brakes.

10. A liquid tank is divided into several smaller tanks by bulkheads. After filling the smaller tanks, most of the weight should be in the:

CDL TANKER TEST MISSISSIPPI - PRACTICE TEST