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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. Which of the following statements about drivers fixing an engine or changing a tire is true?
They must park within 5 feet of the roadway.
They usually pay attention to the danger roadway traffic is to them.
Roadway traffic is not a danger to them.
They often do not pay attention to roadway traffic.
2. Hauling liquids in tanks requires special skill because of:
liquid movement.
danger of surge.
the high center of gravity.
All of the above.
3. ABS helps you:
drive faster.
brake harder.
stop faster.
None of the above.
4. Explosives, flammable gases and flammable liquids should not be placed in a cargo space that has:
an air conditioner.
reflective triangles.
a heater.
5. When possible, you should park:
on the roadway.
on the shoulder.
so you will be able to pull forward when you leave.
so you will have to back up when you leave.
6. Which of the following statements about tank vehicles is true?
Hauling liquids in tanks requires special skills because of the low center of gravity.
Baffled liquid tanks have bulkheads in them with holes that let the liquid flow through.
Un-baffled liquid tankers have bulkheads in them with holes that let the liquid flow through.
Baffled liquid tanks have nothing inside to slow down the flow of the liquid.
7. Forward-and-back liquid surge is very strong in:
dry tanks.
baffled tanks.
unbaffled tanks.
All of the above.
8. Right after it starts to rain, the road is very slippery. Why?
Because the water mixes with oil left on the road by vehicles.
Because rain is very slippery.
Because black ice may form on the road.
None of the above.
9. When approaching a stopped school bus, drivers must be aware that:
passengers may cross in front of or behind the bus.
the bus may suddenly start up and drive into your way.
students may start to get out of the bus.
All of the above.
10. When driving a 50-foot truck at 40 mph, your minimum following distance should be:
8 seconds
5 seconds
4 seconds
6 seconds
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MT Tanker CDL Test

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