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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 Arkansas CDL tank vehicles test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The AR tanker test covers the following sections of the Arkansas CDL Manual: Driving Safely, Combination Vehicles, Tank Vehicles, Hazardous Materials. Take this AR tanker practice test now to prepare for the actual test!
1. Emergency brakes are:
not required on buses.
not required on commercial vehicles with air brakes.
required on all vehicles.
not required on doubles.
2. It may not be safe to operate at legal maximum weights:
in hot weather.
on two-way streets.
during bad weather or in mountains.
on highways.
3. Smooth bore tanks:
have nothing inside to slow down the flow of liquid.
have bulkheads with holes to let the liquid flow through.
have bulkheads in them with holes to limit the flow of liquid.
expand by different amounts depending on the liquid.
4. Forward-and-back liquid surge is very strong in:
dry tanks.
unbaffled tanks.
baffled tanks.
All of the above.
5. Overloading can have bad effects on all of the following except:
Exhaust system
Speed control
6. What should you do when confronted by an aggressive driver?
Challenge them by speeding up
Hold-your-own in your travel lane
Make eye contact
Ignore gestures
7. Air brakes use ________ to make the brakes work.
compressed oil
compressed gas cylinders
compressed gases
compressed air
8. Before unloading explosive materials, you should:
use hooks or other metal tools if possible.
turn your engine off.
connect heater power sources.
keep the engine running.
9. Hydroplaning:
can occur at speeds as low as 30 mph.
only occurs at extremely high speeds.
only happens when tire pressure is higher than normal.
never occurs at speeds below 40 mph.
10. Most heavy trucks with manual transmissions require ____ to change gears.
single clutching
triple clutching
double clutching
None of the above.
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AR Tanker Test

Number of questions: 20
Correct answers to pass:16
Passing score:80%
Number of questions: 20
Correct answers to pass:16
Passing score:80%
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