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Kansas CDL Permit Test - Double

Number of questions: 20
Passing score: 16
Directions: This endorsement is required if the driver will pull two or three trailers. To receive this endorsement, applicants must pass a test. The test consists of 20 multiple choice questions. To pass, the applicant must answer at least 16 questions correctly. Each question has four possible answer choices. Test questions come from the Kansas Commercial Driver’s Manual. Questions come from chapters covering: Driving Safely, Cargo, Air Brakes (if applicable), Combination Vehicles and Doubles and Triples. The Double/Triple endorsement can be used with the Class A CDL.
You have made error so far
Passing grade —
4 or fewer errors
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1.
What does ABS do?
Prevent wheel lockup
Prevent the air compressor from overheating
Prevent the front brakes from being used on ice
Prevent the brakes from being used if downshifting would be more effective
2.
When driving with covered cargo, a cover that flaps:
Is acceptable.
Allows air to keep the cargo cool.
Can tear loose.
Can attract birds.
3.
The air compressor governor controls:
When the air compressor pumps air into the air storage tanks.
How fast air is pumped into the air storage tanks.
The temperature of air pumped into the air storage tanks.
The speed of the vehicle.
4.
When connecting a converter dolly to the rear trailer, the trailer height should be:
Higher than the center height of the fifth wheel.
Lower than the center height of the fifth wheel.
The same height as the fifth wheel.
About shoulder height.
5.
On a leaf spring, the leaves:
May be broken.
Are not required.
Should not be broken.
Should shift.
6.
What is the Gross Vehicle Weight Rating (GVWR)?
The maximum permitted total weight of a vehicle and its cargo
The minimum permitted weight of a trailer
The maximum permitted weight of a trailer and its contents
The maximum permitted weight of only a tractor
7.
Bridges usually:
Freeze, but only once the temperature drops significantly below 32 degrees Fahrenheit.
Freeze after other road surfaces freeze.
Freeze before other road surfaces.
Have heaters to prevent them from freezing.
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