Commercial Drivers License ( CDL ) Tanker Endorsement Practice Test Page 1

01. An emergency forces you to stop your tanker quickly or crash. You should:

a. use light pressure on the brake pedal.
b. lock the brakes with the pedal and hold it there.
c. use only the emergency brakes.
d. use controlled or stab braking.

02. Side-to-side surge can cause:

a. tank failure.
b. uneven tire wear.
c. tire failure.
d. roll-over.

03. You should be extremely cautious when driving smooth bore tanks,
especially when you are:

a. going up or downhill.
b. starting or stopping.
c. loading and unloading.
d. driving against the wind.

04. The amount of liquid to load into a tank depends on:

a. the amount the liquid will expand in transit.
b. the weight of the liquid.
c. the legal weight limits.
d. all of the above.

05. You are driving a tank truck and the front wheels begin to skid.
Which of these is most likely to occur?

a. You will continue in a straight line and keep moving forward no matter how much you steer.
b. Liquid surge will pull the tank from the truck.
c. The truck will roll over.
d. The truck will stop in the shortest distance.

06. You are driving on a clear night. You must dim your headlights from high to low.
You should adjust your speed so that you can stop within:

a. 100 feet.
b. the distance you will travel in the next 15 seconds.
c. the distance that you can see ahead.
d. the length of your vehicle.

07. You should know the outage needed for the liquids you carry because:

a. some of the heaviest liquids do not need any.
b. tank baffles are not always legal with outage.
c. some liquids expand more than others when they get warm.
d. you must unload some liquids at a faster rate than others.

08. When should the driver of a tanker that has lost its brakes use a truck escape ramp?

a. Only if the tank is empty.
b. Only if the tank has baffles.
c. Always.
d. Never.