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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 Montana CDL tank vehicles test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The MT tanker test covers the following sections of the Montana CDL Manual: Driving Safely, Combination Vehicles, Tank Vehicles, Hazardous Materials. Take this MT tanker practice test now to prepare for the actual test!
1. A person attending a placarded parked vehicle:
must be in the vehicle, awake, or within 100 feet of the vehicle, and have the vehicle within clear view.
must know what to do in emergencies.
must be able to move the vehicle, if needed.
All of the above.
2. When should you downshift automatic transmissions?
Watch your tachometer, and downshift when your engine reaches the top of the range.
When going down steep grades.
When you want to go faster.
When you start to get drowsy.
3. When you see you will need to slow down, you can warn drivers behind you by:
turning on the right turn signal.
tapping the brakes a few times.
slamming on the brakes.
making gestures.
4. Baffles:
help to control the side-to-side liquid surge.
help to prevent cargo overload.
help to control the forward and backward liquid surge.
separate the load.
5. When you leave your vehicle you should:
leave the key in the ignition.
release the parking brake.
apply the service brake.
None of the above.
6. The only acceptable way to check tire pressure is to:
check the minimum tread depth.
use a tire pressure gauge.
push on the tire to feel the pressure.
None of the above.
7. Excessive use of the service brakes results in overheating. Too much heat can:
cause the brakes to squeak.
cause the brakes to grab.
make the brakes stop working.
cause the brakes apply unevenly.
8. Older trailers do not have spring brakes. If the air supply leaks away:
the ABS won't work properly.
there will be no emergency brakes.
the trailer will stop normally.
All of the above.
9. Tank vehicles:
have a low center of gravity.
are easier to control than most other vehicles.
have a high center of gravity.
require less space for stopping and turning than most other vehicles.
10. The steering wheel should:
be held with one hand at a time.
be held firmly with the right hand.
be held firmly with the left hand.
be held firmly with both hands.
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MT CDL Tanker Test

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