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Wyoming CDL Permit Test - Tank

Number of questions: 20
Passing score: 16
Directions: This endorsement is required to haul any liquid or gaseous materials in a tank or tanks having a capacity of 1,000 gallons or more that is either permanently or temporarily attached to the vehicle or chassis. To receive this endorsement, applicants must pass a test. The test consists of 20 multiple choice questions. Each question has three or four possible answer choices. To pass, the applicant must answer at least 16 questions correctly. Test questions come from the Wyoming Driver License Manual for Commercial and Heavy Vehicles. Questions come from chapters covering: Driving Safely, Tank Vehicles, Hazardous Materials and Combination Vehicles. The Tank endorsement can be used with the Class A, B or C CDL.
You have made error so far
Passing grade —
4 or fewer errors
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1.
After coupling, there should be ____ between the upper and lower fifth wheel.
No space
Very little space
A lot of space
Three inches of space
2.
Which of the following is not a type of distraction?
Physical
Mental
Obtuse
3.
If you need to travel down a hill, you should switch into a lower gear:
After you start moving downhill.
As you go downhill and pick up speed.
Before you start moving downhill.
Near the bottom of the hill.
4.
What happens when the wheels of a trailer lock up?
The trailer will usually continue to move in a straight line.
The trailer will disengage.
The trailer will likely swing around.
The trailer will stop.
5.
The service air line is attached to the:
Relay valves.
Supply line.
Emergency air line.
Steering wheel.
6.
A placard indicating hazardous materials is which shape?
Diamond
Triangle
Circle
7.
Keeping cargo low can:
Prevent a rollover.
Help you drive faster.
Make turns more dangerous.
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