View instructions
The tanker endorsement applies to drivers who wish to drive a tank in Class A, B, or C CDL. To add this endorsement to your CLP/CDL, you must pass a knowledge test on the problems posed by large volume liquid cargos. The Washington CDL tank vehicles test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The WA tanker test covers the following sections of the Washington CDL Manual: Driving Safely, Combination Vehicles, Tank Vehicles, Hazardous Materials. Take this WA tanker practice test now to prepare for the actual test!
1. With low beams, drivers can see ahead about:
100 feet
15 feet
250 feet
2. Tank vehicles have a high center of gravity, which means:
they are more likely to roll over.
they are very stable.
they have more traction.
3. It may not be safe to operate at legal maximum weights:
on two-way streets.
in hot weather.
during bad weather or in mountains.
4. To prevent rollover, you should:
keep the cargo as close to the ground as possible.
go slowly around turns.
All of the above.
5. Warnings on low bridges or underpasses:
are often posted, but sometimes they are not.
are always posted.
must be posted.
6. To control liquid surge, when stopping you should:
not release the brakes too soon.
not keep a steady pressure on the brakes.
not brake far in advance of a stop.
7. Engine oil pressure should come up to normal within _________ after the engine is started.
five minutes
two minutes
8. The amount of liquid to load into a tank depends on:
the weight of the liquid.
the amount the liquid will expand in transit.
All of the above.
9. When transporting chlorine in cargo tanks, you must have _______ in the vehicle.
5 reflective triangles
an approved gas mask
approved goggles
10. Tank vehicles:
have a low center of gravity.
have a high center of gravity.
require less space for stopping and turning than most other vehicles.
Page 1 of 2
Next page

Tanker Test - WA CDL

Number of questions: 20
Correct answers to pass:16
Passing score:80%
Share This Online CDL Test
Rate this Tanker Test -CDL
4.5 out of 5
based on 313 votes